Chart: 13270, Current Edition: 66, Print Date: Dec. /2018
Boston Harbor

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ChangeLift Bridge LabelLIFT BRIDGE HOR CL 250 FT VERT CL 60 FT DOWN VERT CL 175 FT UPN 42° 14' 41.000"W 070° 58' 01.700"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
DeleteLift BridgeChart No. 1 D23.3N 42° 14' 39.000"W 070° 58' 02.000"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
DeleteBridge construction caution noteCAUTION Fixed and floating obstructions, some submerged, may exist within the magenta tinted bridge construction area. Mariners are advised to proceed with caution.N 42° 14' 42.500"W 070° 59' 16.000"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
DeleteBridge Construction LabelBridge under constructionN 42° 14' 41.000"W 070° 58' 01.700"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
DeleteBridge ConstructionChart No. 1: D.d, with magenta screen extending 500 feet from bridgeN 42° 14' 41.000"W 070° 58' 01.700"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
AddLift Bridge PT 2 OF 2Chart No. 1 D23.3N 42° 14' 39.700"W 070° 57' 57.300"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
AddLift Bridge PT 1 OF 2Chart No. 1 D23.3N 42° 14' 41.400"W 070° 58' 05.900"LNM 33/21, 1st Dist208613270_18/12/20218/12/2021
RelocateBoston Main Channel Lighted Buoy 3G "3" Q GN 42° 19' 51.692"W 070° 59' 27.436"LNM 28/21, 1st Dist208613270_17/22/20217/22/2021
AddBoston Harbor Lighted Monitoring Buoy AY "A" Fl Y 4s PrivN 42° 20' 21.356"W 071° 00' 33.600"LNM 19/21, 1st Dist208613270_15/20/20215/20/2021
RelocateBoston North Channel Lighted Buoy 3G "3" Q GN 42° 21' 54.665"W 070° 55' 12.594"LNM 18/21, 1st Dist208613270_15/13/20215/13/2021
RelocateCohasset Eastern Channel Buoy 1EG C "1E"N 42° 15' 40.164"W 070° 45' 39.763"LNM 07/21, 1st Dist208613270_12/25/20212/25/2021
RelocateBoston Main Channel Lighted Buoy 5AG "5A" Q GN 42° 20' 12.419"W 071° 00' 19.600"LNM 01/21, 1st Dist208613270_11/14/20211/14/2021
ChangeBoston Main Channel Lighted Buoy 5AG "5A" Q GN 42° 20' 12.419"W 071° 00' 19.600"LNM 01/21, 1st Dist208613270_11/14/20211/14/2021
AddWHOI RAINSFORD I LTD RESEARCH BUOY CY "C" Fl Y 2.5s PrivN 42° 18' 24.073"W 070° 57' 43.186"LNM 40/20, 1st Dist208613270_110/15/202010/15/2020
AddWHOI RAINSFORD I LTD RESEARCH BUOY BY "B" Fl Y 2.5s PrivN 42° 18' 32.702"W 070° 57' 02.182"LNM 40/20, 1st Dist208613270_110/15/202010/15/2020
AddWHOI RAINSFORD I LTD RESEARCH BUOY AY "A" Fl Y 2.5s PrivN 42° 18' 46.861"W 070° 57' 27.598"LNM 40/20, 1st Dist208613270_110/15/202010/15/2020
AddWHOI LIGHTED RESEARCH BUOY BCY "BC" Fl Y 2.5s PrivN 42° 20' 27.949"W 070° 55' 11.111"LNM 40/20, 1st Dist208613270_110/15/202010/15/2020
ChangeBOSTON MAIN CHANNEL LIGHT 7Fl G 4s 26ft 5M "7"N 42° 20' 17.200"W 071° 00' 29.000"LNM 36/20, 1st Dist208613270_19/17/20209/17/2020
RelocateHINGHAM HARBOR CHANNEL BUOY 21G C "21"N 42° 15' 06.658"W 070° 52' 43.553"LNM 35/20, 1st Dist208613270_19/10/20209/10/2020
RelocateHINGHAM HARBOR CHANNEL BUOY 20R N "20"N 42° 15' 12.957"W 070° 52' 40.377"LNM 35/20, 1st Dist208613270_19/10/20209/10/2020
RelocatePRESIDENT ROADS ANCH LTD BUOY DY "D" Fl Y 4s AISN 42° 20' 32.829"W 070° 58' 51.005"LNM 34/20, 1st Dist208613270_19/3/20209/3/2020
RelocatePRESIDENT ROADS ANCH GONG BUOY AY "A" GONG AISN 42° 20' 35.499"W 070° 57' 33.786"LNM 34/20, 1st Dist208613270_19/3/20209/3/2020
DeleteBOSTON LIGHT MOORING STATION BUOY N 42° 19' 37.500"W 070° 53' 41.000"LNM 30/20, 1st Dist208613270_18/6/20208/6/2020
ChangeBOSTON SOUTH CHAN ENTRANCE LTD BUOY 1G "1" Q GN 42° 21' 52.600"W 070° 53' 49.800"LNM 30/20, 1st Dist208613270_18/6/20208/6/2020
AddFixed Bridge LabelFIXED BRIDGE HOR CL 80 FT VERT CL 20 FTN 42° 24' 14.000"W 071° 04' 21.000"LNM 08/20, 1st Dist208613270_12/20/20202/20/2020
AddFixed BridgeChart No. 1: D22N 42° 24' 14.000"W 071° 04' 21.000"LNM 08/20, 1st Dist208613270_12/20/20202/20/2020
DeleteBridge Construction LabelBridge under construction (see note)N 42° 24' 14.000"W 071° 04' 21.000"LNM 08/20, 1st Dist208613270_12/20/20202/20/2020
DeleteBridge ConstructionChart No. 1: D.d, with magenta screen extending 500 feet from bridgeN 42° 24' 14.000"W 071° 04' 21.000"LNM 08/20, 1st Dist208613270_12/20/20202/20/2020
ChangeTHE NARROWS LIGHT 4Fl R 4s 35ft 6M "4"N 42° 19' 20.501"W 070° 55' 10.864"LNM 49/19, 1st Dist208613270_112/12/201912/12/2019
ChangeTHE NARROWS LIGHT 4Fl R 4s 35ft 5M "4"N 42° 19' 20.501"W 070° 55' 10.864"LNM 46/19, 1st Dist208613270_111/21/201911/21/2019
AddSubmarine Cable PT 6 OF 6Chart No. 1: L30.1N 42° 20' 25.080"W 071° 00' 28.920"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
AddSubmarine Cable PT 5 OF 6Chart No. 1: L30.1N 42° 20' 30.220"W 071° 00' 00.810"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
AddSubmarine Cable PT 4 OF 6Chart No. 1: L30.1N 42° 20' 29.770"W 070° 59' 13.850"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
AddSubmarine Cable PT 3 OF 6Chart No. 1: L30.1N 42° 20' 34.640"W 070° 59' 05.020"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
AddSubmarine Cable PT 2 OF 6Chart No. 1: L30.1N 42° 20' 41.190"W 070° 59' 00.190"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
AddSubmarine Cable PT 1 OF 6Chart No. 1: L30.1N 42° 20' 59.010"W 070° 58' 02.990"LNM 44/19, 1st Dist208613270_110/24/201910/24/2019
RelocateWEYMOUTH FORE RIVER CHANNEL BUOY 27G C "27"N 42° 14' 53.373"W 070° 57' 30.997"LNM 40/19, 1st Dist208613270_110/10/201910/10/2019
Addnote: PROJECT DEPTHSChannel legends and tabulations, where indicated, reflect the U.S. Army Corps of Engineers (USACE) project depths. The channel may be significantly shoaler, particularly at the edges. For detailed channel information and minimum depths as reported by USACE, use NOAA Electronic Navigational Charts. USACE surveys and channel condition reports are available at http://navigation.usace.army.mil/Survey/Hydro.N 42° 23' 36.000"W 071° 02' 04.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Addlabel: FORT INDEPENDENCE REACH PROJECT DEPTH 40 FEET (see note)FORT INDEPENDENCE REACH PROJECT DEPTH 40 FEET (see note)N 42° 19' 59.500"W 070° 59' 44.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Addlabel: FORT INDEPENDENCE REACH PROJECT DEPTH 35 FEET (see note)FORT INDEPENDENCE REACH PROJECT DEPTH 35 FEET (see note)N 42° 20' 05.000"W 070° 59' 42.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Addlabel: PRESIDENT ROADS REACH PROJECT DEPTH 40 FEET (see note)PRESIDENT ROADS REACH PROJECT DEPTH 40 FEET (see note)N 42° 20' 05.000"W 070° 58' 00.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Changelabel to: BROAD SOUND SOUTH CHANNEL PROJECT DEPTH 30 FEET (see note)BROAD SOUND SOUTH CHANNEL PROJECT DEPTH 30 FEET (see note)N 42° 21' 01.000"W 070° 54' 47.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Changelabel to: BROAD SOUND NORTH CHANNEL PROJECT DEPTH 40 FEET (see note)BROAD SOUND NORTH CHANNEL PROJECT DEPTH 40 FEET (see note)N 42° 21' 22.000"W 070° 55' 44.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
Changelabel to: PROJECT DEPTH 35 FEETPROJECT DEPTH 35 FEETN 42° 21' 25.000"W 070° 55' 53.000"LNM 39/19, 1st Dist208613270_19/26/20199/26/2019
ChangeNANTASKET ROADS DRC LTD HAZARD BUOY AW Or "A" Fl 4sN 42° 18' 56.700"W 070° 55' 38.500"LNM 35/19, 1st Dist208613270_19/12/20199/12/2019
RelocateWEYMOUTH FORE RIVER CHANNEL BUOY 36R N "36"N 42° 14' 02.043"W 070° 57' 34.359"LNM 19/19, 1st Dist208613270_15/16/20195/16/2019
ChangeGALLUPS ISLAND LIGHT 7Fl G 4s 29ft 5M "7" HORN (MRASS)N 42° 19' 32.200"W 070° 55' 57.100"LNM 18/19, 1st Dist208613270_15/9/20195/9/2019
ChangeWINDMILL POINT LIGHT WPQ 20ft 6M "WP" HORN (MRASS)N 42° 18' 10.981"W 070° 55' 19.255"LNM 06/19, 1st Dist208613270_12/14/20192/14/2019
AddSUBMERGED WRECKPAN 42° 23' 55.080"W 070° 52' 31.800"LNM 50/18, 1st Dist208613270_112/20/201812/20/2018
Edition 66, Print Date Dec. /2018
AddDepth Legend 2 1/2 FT MID-WIDTH 2018N 42° 16' 03.950"W 070° 52' 14.120"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend 7 1/2 FT MID-WIDTHN 42° 16' 04.410"W 070° 51' 51.270"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend 3 1/2 FT MID-WIDTH 2018N 42° 16' 10.110"W 070° 52' 32.330"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 17' 41.970"W 071° 02' 31.130"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 17' 41.210"W 071° 02' 32.000"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 3 OF 3Chart No. 1: I20N 42° 17' 04.150"W 071° 02' 22.420"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 2 OF 3Chart No. 1: I20N 42° 17' 07.120"W 071° 02' 18.360"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 1 OF 3Chart No. 1: I20N 42° 17' 09.480"W 071° 02' 14.540"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 17' 26.730"W 071° 02' 06.830"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 17' 26.300"W 071° 02' 08.030"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 8 OF 8Chart No. 1: I20N 42° 17' 09.860"W 071° 02' 14.480"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 7 OF 8Chart No. 1: I20N 42° 17' 17.340"W 071° 02' 06.930"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 6 OF 8Chart No. 1: I20N 42° 17' 26.470"W 071° 02' 07.530"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 5 OF 8Chart No. 1: I20N 42° 17' 49.290"W 071° 02' 35.910"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 4 OF 8Chart No. 1: I20N 42° 18' 07.650"W 071° 02' 33.850"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 3 OF 8Chart No. 1: I20N 42° 18' 21.870"W 071° 02' 25.100"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 2 OF 8Chart No. 1: I20N 42° 18' 34.490"W 071° 01' 45.540"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeChannel Limits PT 1 OF 8Chart No. 1: I20N 42° 18' 55.780"W 071° 01' 24.500"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteChannel Limits PT 2 OF 2Chart No. 1: I20N 42° 19' 53.380"W 070° 59' 32.130"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteChannel Limits PT 1 OF 2Chart No. 1: I20N 42° 19' 54.100"W 070° 59' 34.940"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 17' 07.860"W 071° 02' 16.000"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 17' 08.600"W 071° 02' 16.870"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 4 OF 4Chart No. 1: I20N 42° 18' 56.250"W 071° 01' 23.900"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 3 OF 4Chart No. 1: I20N 42° 19' 03.240"W 071° 01' 16.870"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 2 OF 4Chart No. 1: I20N 42° 19' 16.950"W 071° 00' 43.670"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 1 OF 4Chart No. 1: I20N 42° 19' 53.480"W 070° 59' 32.890"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 19' 16.200"W 071° 00' 43.100"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 19' 17.680"W 071° 00' 44.320"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteMagenta channel reach separation line PT 2 OF 2NoneN 42° 17' 33.500"W 071° 02' 12.610"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteMagenta channel reach separation line PT 1 OF 2NoneN 42° 17' 32.700"W 071° 02' 13.550"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 18' 07.680"W 071° 02' 33.150"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 18' 07.700"W 071° 02' 34.530"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 18' 21.460"W 071° 02' 24.890"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 18' 23.100"W 071° 02' 25.710"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteMagenta channel reach separation line PT 2 OF 2NoneN 42° 18' 07.670"W 071° 02' 33.550"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteMagenta channel reach separation line PT 1 OF 2NoneN 42° 18' 07.680"W 071° 02' 34.860"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 2 OF 2NoneN 42° 18' 33.910"W 071° 01' 44.580"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddMagenta channel reach separation line PT 1 OF 2NoneN 42° 18' 35.060"W 071° 01' 46.330"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Dorchester Bay17 FT FOR WIDTH OF 175 FT APR 2018N 42° 19' 35.660"W 071° 00' 07.730"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteDepth Legend - Dorchester Bay12 FT FOR WIDTH OF 175 FT NOV 2009N 42° 18' 27.900"W 071° 01' 57.300"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Neponset River8 FT APR 2018N 42° 17' 05.860"W 071° 02' 20.310"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteDepth Legend - Neponset River3 1/2 FT FOR MID 50 FT MAY-NOV 2009N 42° 17' 21.600"W 071° 02' 05.900"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
DeleteDepth Legend - Neponset River8 1/2 FT FOR MID-WIDTH OF 50 FT NOV 2009N 42° 17' 46.800"W 071° 02' 35.200"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Dorchester Bay and Neponset River17 FT FOR WIDTH OF 175 FT APR 2018N 42° 19' 48.000"W 070° 59' 45.000"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Neponset River14 1/2 FT APR 2018N 42° 17' 54.700"W 071° 02' 34.940"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Dorchester Bay16 FT FOR WIDTH OF 175 FT APR 2018N 42° 18' 25.890"W 071° 02' 02.010"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Dorchester Bay14 1/2 FT FOR WIDTH OF 175 FT APR 2018N 42° 19' 03.600"W 071° 01' 15.960"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Neponset River12 FT LEFT 25 FT APR 2018N 42° 17' 34.370"W 071° 02' 16.310"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Neponset River13 FT APR 2018N 42° 18' 15.950"W 071° 02' 32.840"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddDepth Legend - Neponset River8 FT LEFT 25 FT APR 2018N 42° 17' 15.710"W 071° 02' 07.780"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeDepth Legend 28 FT FOR WIDTH OF 135-400 FT APR 2018N 42° 14' 20.590"W 070° 58' 07.270"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeDepth Legend 31 FT APR 2018 N 42° 14' 48.660"W 070° 57' 37.020"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
ChangeDepth Legend 31 FT FOR WIDTH OF 135-500 FT APR 2018N 42° 14' 59.470"W 070° 57' 20.960"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddReach separator PT 2 OF 2NoneN 42° 15' 58.200"W 070° 52' 26.070"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddReach separator PT 1 OF 2NoneN 42° 15' 59.690"W 070° 52' 25.910"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddReach separator PT 2 OF 2NoneN 42° 16' 05.780"W 070° 52' 04.720"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddReach separator PT 1 OF 2NoneN 42° 16' 07.300"W 070° 52' 04.390"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 12 OF 12Chart No. 1: I20N 42° 16' 08.870"W 070° 51' 35.800"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 11 OF 12Chart No. 1: I20N 42° 16' 04.480"W 070° 51' 49.450"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 10 OF 12Chart No. 1: I20N 42° 16' 04.210"W 070° 51' 57.690"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 9 OF 12Chart No. 1: I20N 42° 16' 06.400"W 070° 52' 04.830"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 8 OF 12Chart No. 1: I20N 42° 16' 05.850"W 070° 52' 11.350"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 7 OF 12Chart No. 1: I20N 42° 15' 59.730"W 070° 52' 21.070"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 6 OF 12Chart No. 1: I20N 42° 15' 58.810"W 070° 52' 25.740"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 5 OF 12Chart No. 1: I20N 42° 15' 59.550"W 070° 52' 28.570"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 4 OF 12Chart No. 1: I20N 42° 16' 02.380"W 070° 52' 31.150"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 3 OF 12Chart No. 1: I20N 42° 16' 14.260"W 070° 52' 33.490"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 2 OF 12Chart No. 1: I20N 42° 16' 18.560"W 070° 52' 31.890"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddChannel Limits PT 1 OF 12Chart No. 1: I20N 42° 16' 21.760"W 070° 52' 31.520"LNM 44/18, 1st Dist208613270_110/25/201810/25/2018
AddWINTHROP CHANNEL BUOY 1AG C "1A"N 42° 21' 49.391"W 070° 58' 38.832"LNM 35/18, 1st Dist208613270_19/6/20189/6/2018
AddSPECTACLE ISLAND LTD HAZARD BUOY CW Or "C" Fl 4s PrivN 42° 19' 19.492"W 070° 59' 23.586"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddSPECTACLE ISLAND LTD HAZARD BUOY BW Or "B" Fl 4s PrivN 42° 19' 24.488"W 070° 59' 30.415"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddSPECTACLE ISLAND LTD HAZARD BUOY AW Or "A" Fl 4s PrivN 42° 19' 28.520"W 070° 59' 30.397"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddGEORGES ISLAND LTD HAZARD BUOY CW Or "C" Fl 4s PrivN 42° 19' 10.816"W 070° 55' 54.480"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddGEORGES ISLAND LTD HAZARD BUOY BW Or "B" Fl 4s PrivN 42° 19' 16.277"W 070° 56' 02.458"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddGEORGES ISLAND LTD HAZARD BUOY AW Or "A" Fl 4s PrivN 42° 19' 25.968"W 070° 55' 48.738"LNM 34/18, 1st Dist208613270_18/30/20188/30/2018
AddPEDDOCKS ISLAND CHANNEL LTD BUOY 4PR "4P" Fl R 6sN 42° 17' 36.829"W 070° 57' 26.508"LNM 31/18, 1st Dist208613270_18/9/20188/9/2018
DeletePEDDOCKS ISLAND CHANNEL LIGHT 4PFl R 6s 26ft 4M "4P"N 42° 17' 37.914"W 070° 57' 24.294"LNM 31/18, 1st Dist208613270_18/9/20188/9/2018
AddSubmarine Pipeline PT 2 OF 2Chart No. 1: L40.1N 42° 18' 04.470"W 070° 53' 50.130"LNM 27/18, 1st Dist208613270_16/28/20186/28/2018
AddSubmarine Pipeline PT 1 OF 2Chart No. 1: L40.1N 42° 18' 14.110"W 070° 53' 57.950"LNM 27/18, 1st Dist208613270_16/28/20186/28/2018
AddAbandoned Submarine Pipeline PT 2 OF 2Chart No. 1: L44N 42° 18' 04.560"W 070° 53' 50.100"LNM 27/18, 1st Dist208613270_16/28/20186/28/2018
AddAbandoned Submarine Pipeline PT 1 OF 2Chart No. 1: L44N 42° 18' 14.260"W 070° 53' 59.950"LNM 27/18, 1st Dist208613270_16/28/20186/28/2018
ChangePOINT ALLERTON SOUTH BKW LTFl 2.5s 20ft 3MN 42° 18' 05.694"W 070° 54' 56.928"LNM 06/18, 1st Dist208613270_12/15/20182/15/2018
ChangePOINT ALLERTON NORTH BKW LTFl 2.5s 20ft 3MN 42° 18' 06.845"W 070° 54' 59.328"LNM 06/18, 1st Dist208613270_12/15/20182/15/2018
AddBridge Construction LabelBridge under construction (see note)N 42° 24' 13.790"W 071° 04' 21.280"LNM 48/17, 1st Dist208613270_111/23/201711/23/2017
ChangeBridge ConstructionChart No. 1: D.d, with magenta screen extending 500 feet from bridgeN 42° 24' 13.790"W 071° 04' 21.280"LNM 48/17, 1st Dist208613270_111/23/201711/23/2017
ChangeDepth Legend - Cohasset Cove2 1/2 FTN 42° 14' 26.060"W 070° 47' 32.500"LNM 30/17, 1st Dist208613270_17/20/20177/20/2017
ChangeDepth Legend - Bailey Creek3 FT 2017N 42° 14' 23.440"W 070° 47' 06.560"LNM 30/17, 1st Dist208613270_17/20/20177/20/2017
ChangeDepth Legend - Government Island Cove5 FTN 42° 14' 23.520"W 070° 47' 24.320"LNM 30/17, 1st Dist208613270_17/20/20177/20/2017
ChangeDepth Legend - Cohasset Harbor Anchorage4 1/2 FEET MAR 2017N 42° 14' 29.550"W 070° 47' 16.580"LNM 30/17, 1st Dist208613270_17/20/20177/20/2017
ChangeDepth Legend - 8-Foot Entrance Channel7 FEET MAR 2017N 42° 14' 46.150"W 070° 47' 05.860"LNM 30/17, 1st Dist208613270_17/20/20177/20/2017
AddWESTERN WAY CHANNEL OBSTRUCTION NOTEEach pile on the bridge ruins is marked by 2 fixed white lights.N 42° 18' 38.500"W 070° 59' 11.500"LNM 26/17, 1st Dist208613270_17/20/20177/20/2017
AddWESTERN WAY CHANNEL OBSTRUCTION LIGHT 6BF R "6B" PrivN 42° 18' 34.431"W 070° 58' 45.501"LNM 26/17, 1st Dist208613270_17/20/20177/20/2017
AddWESTERN WAY CHANNEL OBSTRUCTION LIGHT 6AF R "6A" PrivN 42° 18' 34.017"W 070° 58' 45.200"LNM 26/17, 1st Dist208613270_17/20/20177/20/2017
AddWESTERN WAY CHANNEL OBSTRUCTION LIGHT 5BF G "5B" PrivN 42° 18' 33.254"W 070° 58' 48.430"LNM 26/17, 1st Dist208613270_17/20/20177/20/2017
AddWESTERN WAY CHANNEL OBSTRUCTION LIGHT 5AF G "5A" PrivN 42° 18' 32.841"W 070° 58' 48.125"LNM 26/17, 1st Dist208613270_17/20/20177/20/2017
AddIsletChart No 1: K10N 42° 18' 29.500"W 070° 58' 57.050"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 25.970"W 070° 59' 05.840"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 24.810"W 070° 59' 08.750"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
DeleteFixed BridgeChart No. 1: D22N 42° 18' 30.138"W 070° 58' 55.426"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
Addbridge label: Bridge ruinsBridge ruinsN 42° 18' 30.138"W 070° 58' 55.426"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 31.880"W 070° 58' 51.230"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 27.150"W 070° 59' 02.920"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 36.580"W 070° 58' 39.540"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 35.390"W 070° 58' 42.440"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 34.220"W 070° 58' 45.350"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 33.040"W 070° 58' 48.290"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 30.700"W 070° 58' 54.160"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 28.330"W 070° 58' 59.960"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
AddIsletChart No 1: K10N 42° 18' 23.630"W 070° 59' 11.680"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
DeleteFixed Bridge LabelCHANNEL SPAN ONLY FIXED BRIDGE VERT CL 51 FT FOR CENTER 150 FTN 42° 18' 30.138"W 070° 58' 55.426"LNM 20/17, 1st Dist208613270_15/18/20175/18/2017
ChangeDepth Legend -Cohasset Harbor Entrance Channel5 FT MAY 2016N 42° 14' 45.000"W 070° 47' 07.200"LNM 48/16, 1st Dist208613270_111/24/201611/24/2016
Edition 65, Print Date Sep. /2016
RelocateNIXES MATE LTD BUOY 15G "15" Q GN 42° 20' 02.525"W 070° 56' 40.502"LNM 37/16, 1st Dist208613270_19/22/20169/22/2016
ChangeNIXES MATE LTD BUOY 15G "15" Q GN 42° 20' 02.525"W 070° 56' 40.502"LNM 37/16, 1st Dist208613270_19/22/20169/22/2016
ChangeWINDMILL POINT LIGHT WPQ 20ft 6M "WP" HORNN 42° 18' 10.981"W 070° 55' 19.255"LNM 35/16, 1st Dist208613270_19/8/20169/8/2016
ChangeDepth Legend - Cohasset Harbor Entrance Channel4 FT MAR 2016N 42° 14' 45.000"W 070° 47' 07.200"LNM 36/16, 1st Dist208613270_19/8/20169/1/2016
DeleteSPINNAKER ISLAND MARINA LIGHTFl Y 4s 6ft PrivN 42° 18' 04.000"W 070° 54' 00.000"LNM 27/16, 1st Dist208613270_17/14/20167/14/2016
RelocateTHE NARROWS LIGHT 4Fl R 4s 35ft 6M "4"N 42° 19' 20.501"W 070° 55' 10.864"LNM 25/16, 1st Dist208613270_16/30/20166/30/2016
RelocateDEER ISLAND LIGHTAl WR 10s 53ft 9M HORN (MRASS)N 42° 20' 22.428"W 070° 57' 16.290"LNM 20/16, 1st Dist208613270_15/26/20165/26/2016
RelocateCOHASSET GANGWAY LTD BELL BUOY 1GG "1G" Fl G 6s BELLN 42° 16' 08.047"W 070° 46' 22.635"LNM 12/16, 1st Dist208613270_13/31/20163/31/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 9G "9" Fl G 2.5s AISN 42° 17' 03.064"W 070° 55' 47.237"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 9G "9" Fl G 2.5s AISN 42° 17' 03.064"W 070° 55' 47.237"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 6R "6" Fl R 4s AISN 42° 17' 39.109"W 070° 55' 30.177"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 6R "6" Fl R 4s AISN 42° 17' 39.109"W 070° 55' 30.177"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 4R "4" Q R AISN 42° 17' 51.640"W 070° 55' 24.445"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 4R "4" Q R AISN 42° 17' 51.640"W 070° 55' 24.445"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 28R "28" Fl R 2.5s AISN 42° 14' 53.104"W 070° 57' 43.105"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 26R "26" Fl R 4s AISN 42° 15' 04.019"W 070° 57' 14.459"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 26R "26" Fl R 4s AISN 42° 15' 04.019"W 070° 57' 14.459"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 22R "22" Q R AISN 42° 15' 18.013"W 070° 56' 41.981"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 22R "22" Q R AISN 42° 15' 18.013"W 070° 56' 41.981"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 2R "2" Fl R 4s AISN 42° 18' 08.412"W 070° 55' 30.551"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 2R "2" Fl R 4s AISN 42° 18' 08.412"W 070° 55' 30.551"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 19G "19" Fl G 2.5s AISN 42° 15' 24.032"W 070° 56' 29.419"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 19G "19" Fl G 2.5s AISN 42° 15' 24.032"W 070° 56' 29.419"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 18R "18" Fl R 6s AISN 42° 15' 43.383"W 070° 56' 20.863"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 18R "18" Fl R 6s AISN 42° 15' 43.383"W 070° 56' 20.863"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 14R "14" Fl R 4s AISN 42° 16' 11.737"W 070° 55' 58.453"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 14R "14" Fl R 4s AISN 42° 16' 11.737"W 070° 55' 58.453"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWEYMOUTH FORE RIVER CHANNEL LTD BUOY 12R "12" Fl R 2.5s AISN 42° 16' 23.465"W 070° 55' 54.115"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH FORE RIVER CHANNEL LTD BUOY 12R "12" Fl R 2.5s AISN 42° 16' 23.465"W 070° 55' 54.115"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL LTD BUOY 8R "8" Fl R 4s AISN 42° 15' 30.553"W 070° 55' 07.079"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL LTD BUOY 4R "4" Fl R 4s AISN 42° 15' 52.381"W 070° 55' 25.685"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL LTD BUOY 1G "1" Fl G 2.5s AISN 42° 15' 56.219"W 070° 55' 50.838"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL BUOY 7G C "7" AISN 42° 15' 42.229"W 070° 55' 12.237"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL BUOY 6R N "6" AISN 42° 15' 44.297"W 070° 55' 16.495"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL BUOY 3G C "3" AISN 42° 15' 54.690"W 070° 55' 28.763"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL BUOY 12R N "12" AISN 42° 15' 19.300"W 070° 55' 11.167"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWEYMOUTH BACK RIVER CHANNEL BUOY 10R N "10" AISN 42° 15' 25.050"W 070° 55' 08.317"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateWESTERN WAY LIGHTED BUOY WWRG "WW" Fl (2+1) R 6s AISN 42° 16' 38.816"W 070° 55' 55.817"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeWESTERN WAY LIGHTED BUOY WWRG "WW" Fl (2+1) R 6s AISN 42° 16' 38.816"W 070° 55' 55.817"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateTOWN RIVER BAY CHANNEL BUOY 9G C "9" AISN 42° 15' 13.802"W 070° 58' 35.950"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 9G C "9" AISN 42° 15' 13.802"W 070° 58' 35.950"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateTOWN RIVER BAY CHANNEL BUOY 7G C "7" AISN 42° 15' 09.751"W 070° 58' 31.831"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 7G C "7" AISN 42° 15' 09.751"W 070° 58' 31.831"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateTOWN RIVER BAY CHANNEL BUOY 4R N "4" AISN 42° 15' 02.255"W 070° 58' 16.897"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 4R N "4" AISN 42° 15' 02.255"W 070° 58' 16.897"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateTOWN RIVER BAY CHANNEL BUOY 2R N "2" AISN 42° 14' 57.064"W 070° 57' 59.894"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 2R N "2" AISN 42° 14' 57.064"W 070° 57' 59.894"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
RelocateTOWN RIVER BAY CHANNEL BUOY 16R N "16" AISN 42° 15' 16.679"W 070° 59' 03.438"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 16R N "16" AISN 42° 15' 16.679"W 070° 59' 03.438"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
ChangeTOWN RIVER BAY CHANNEL BUOY 11G C "11" AISN 42° 15' 15.795"W 070° 58' 42.562"LNM 04/16, 1st Dist208613270_12/4/20162/4/2016
DeleteDEER ISLAND DANGER LIGHTF R 15ft 6MN 42° 20' 23.461"W 070° 57' 16.225"LNM 49/15, 1st Dist208613270_112/17/201512/17/2015
ChangeDEER ISLAND LIGHTAl WR 10s 53ft 9M HORN (MRASS)N 42° 20' 23.461"W 070° 57' 16.225"LNM 49/15, 1st Dist208613270_112/17/201512/17/2015
ChangeDEER ISLAND LIGHTAl WR 10s 53ft 9M HORNN 42° 20' 23.461"W 070° 57' 16.225"LNM 45/15, 1st Dist208613270_111/19/201511/19/2015
RelocateDEER ISLAND LIGHTAl WR 10s 53ft 9M HORNN 42° 20' 23.461"W 070° 57' 16.225"LNM 45/15, 1st Dist208613270_111/19/201511/19/2015
ChangeBOSTON APPROACH LTD BUOY BGRW "BG" Mo (A) AISN 42° 23' 26.823"W 070° 51' 29.057"LNM 41/15, 1st Dist208613270_110/22/201510/22/2015
RelocateALLERTON HARBOR BUOY 10R N "10" PrivN 42° 18' 18.600"W 070° 53' 28.000"LNM 31/15, 1st Dist208613270_19/3/20158/13/2015
ChangeTHE GRAVES LIGHTFl (2) 12s 98ft 15M HORN (MRASS)N 42° 21' 53.600"W 070° 52' 08.700"LNM 31/15, 1st Dist208613270_19/3/20158/13/2015
RelocateAllerton Harbor Buoy 8R "8"N 42° 18' 16.800"W 070° 53' 23.800"LNM 29/15, 1st Dist208613270_18/6/20158/6/2015
RelocateAllerton Harbor Buoy 6R "6"N 42° 18' 12.800"W 070° 53' 17.100"LNM 29/15, 1st Dist208613270_18/6/20158/6/2015
DeleteSpinnaker Island Marina Buoy 3GC "3" PrivN 42° 18' 01.300"W 070° 54' 07.800"LNM 29/15, 1st Dist208613270_18/6/20158/6/2015
ChangeMINOTS LEDGE LIGHTFl (1+4+3) 45s 85ft 10M HORN (MRASS)N 42° 16' 11.000"W 070° 45' 32.700"LNM 24/15, 1st Dist208613270_16/25/20157/2/2015
RelocateCOHASSET GANGWAY LTD BELL BUOY 1GG "1G" Fl G 6s BELLN 42° 16' 12.830"W 070° 46' 39.220"LNM 15/15, 1st Dist208613270_14/23/20154/23/2015
AddMRASS NOTECELL RASS01N 42° 23' 28.500"W 071° 02' 32.500"LNM 10/15, 1st Dist208613270_14/23/20154/23/2015
ChangeBOSTON LIGHTFl 10s 102ft 27M HORN (MRASS)N 42° 19' 40.855"W 070° 53' 24.266"LNM 10/15, 1st Dist208613270_14/23/20154/23/2015
RelocatePRESIDENT ROADS ANCHORAGE BUOY CY N "E" AISN 42° 20' 12.774"W 070° 58' 46.725"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangePRESIDENT ROADS ANCHORAGE LTD BUOY DY "D" Fl Y 4s AISN 42° 20' 32.843"W 070° 58' 51.018"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangePRESIDENT ROADS ANCHORAGE LTD BUOY BY "B" Fl Y 4s AISN 42° 20' 42.938"W 070° 57' 50.381"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangePRESIDENT ROADS ANCHORAGE BUOY EY N "E" AISN 42° 20' 12.774"W 070° 58' 46.725"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangePRESIDENT ROADS ANCHORAGE BUOY CY C "C" AISN 42° 20' 38.877"W 070° 58' 18.856"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangeBOSTON MAIN CHANNEL LTD BUOY 10R "10" Fl R 6s AISN 42° 20' 43.100"W 071° 00' 43.500"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangePRESIDENT ROADS ANCHORAGE GONG BUOY AY "A" GONG AISN 42° 20' 35.500"W 070° 57' 33.700"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
RelocateBOSTON NORTH CHANNEL LTD WHISTLE BUOY NCRW "NC" Mo (A) WHIS RACON (-.) AISN 42° 22' 32.083"W 070° 54' 17.830"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangeBOSTON NORTH CHANNEL LTD WHISTLE BUOY NCRW "NC" Mo (A) WHIS RACON (-.) AISN 42° 22' 32.083"W 070° 54' 17.830"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
ChangeBOSTON LTD WHISTLE BUOY BRW "B" Mo (A) WHIS RACON (-...) AISN 42° 22' 42.155"W 070° 46' 58.160"LNM 50/14, 1st Dist208613270_11/8/20151/8/2015
AddFixed Bridge LabelFIXED BRIDGE HOR CL 35 FT VERT CL 7 FTN 42° 22' 57.680"W 070° 59' 39.460"LNM 51/14, 1st Dist208613270_112/18/201412/18/2014
RelocateCOHASSET CHANNEL BUOY 13G C "13"N 42° 14' 37.188"W 070° 47' 11.400"LNM 42/14, 1st Dist208613270_111/6/201411/6/2014
RelocateWEYMOUTH FORE RIVER CHANNEL BUOY 31G C "31"N 42° 14' 11.163"W 070° 57' 55.847"LNM 42/14, 1st Dist208613270_111/6/201411/6/2014
DeleteWEIR RIVER NO WAKE LTD BUOY AW Or "A" Fl 4s PrivN 42° 16' 30.180"W 070° 53' 19.620"LNM 25/14, 1st Dist208613270_17/3/20147/3/2014
ChangeDepth Legend - COHASSET COVE to:5 FTN 42° 14' 26.000"W 070° 47' 32.200"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 6 OF 6(Chart No. 1: K1)N 42° 14' 22.570"W 070° 47' 15.750"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 5 OF 6(Chart No. 1: K1)N 42° 14' 22.200"W 070° 47' 16.320"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 4 OF 6(Chart No. 1: K1)N 42° 14' 22.060"W 070° 47' 17.920"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 3 OF 6(Chart No. 1: K1)N 42° 14' 22.120"W 070° 47' 18.160"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 2 OF 6(Chart No. 1: K1)N 42° 14' 22.500"W 070° 47' 18.760"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddLow Water Area PT 1 OF 6(Chart No. 1: K1)N 42° 14' 22.850"W 070° 47' 19.380"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
ChangeDepth Legend - BAILEY CREEK ANCHORAGE to:3 FT 2013N 42° 14' 23.600"W 070° 47' 06.500"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
ChangeDepth Legend - ENTRANCE CHANNEL to:3 1/2 FT IN RIGHT HALF MAY 2013N 42° 14' 45.000"W 070° 47' 07.200"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
ChangeDepth Legend - COHASSET HARBOR to:4 1/2 FEET MAY 2013N 42° 14' 29.800"W 070° 47' 17.600"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
ChangeDepth Legend - GOVERNMENT ISLAND COVE to:5 FTN 42° 14' 23.600"W 070° 47' 24.200"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
DeleteLow Water Line PT 4 OF 4(Chart No. 1: K1)N 42° 14' 22.600"W 070° 47' 16.000"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
DeleteLow Water Line PT 3 OF 4(Chart No. 1: K1)N 42° 14' 22.420"W 070° 47' 16.670"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
DeleteLow Water Line PT 2 OF 4(Chart No. 1: K1)N 42° 14' 22.450"W 070° 47' 18.310"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
DeleteLow Water Line PT 1 OF 4(Chart No. 1: K1)N 42° 14' 23.000"W 070° 47' 19.320"LNM 19/14, 1st Dist208613270_15/15/20145/8/2014
AddNote - CAUTION:Fixed and floating obstructions, some submerged, may exist within the magenta tinted bridge construction area. Mariners are advised to proceed with caution.N 42° 14' 42.000"W 070° 59' 17.000"LNM 13/14, 1st Dist208613270_14/3/20144/3/2014
AddBridge ConstructionChart No. 1: D.d, with magenta screen extending 500 feet from bridgeN 42° 14' 41.050"W 070° 58' 01.710"LNM 13/14, 1st Dist208613270_14/3/20144/3/2014
AddBridge Construction LabelBridge under construction (see note)N 42° 14' 46.000"W 070° 58' 14.000"LNM 13/14, 1st Dist208613270_14/3/20144/3/2014
RelocateDorchester Bay Lighted Buoy 12R "12" Fl R 4sN 42° 18' 28.647"W 071° 01' 58.133"LNM 04/14, 1st Dist208613270_12/6/20142/6/2014
RelocateDorchester Bay Lighted Buoy 5G "5" Fl G 4sN 42° 19' 02.534"W 071° 01' 15.628"LNM 04/14, 1st Dist208613270_12/6/20142/6/2014
Changeto Lift Bridge(Chart No. 1: D23.3)N 42° 23' 10.600"W 071° 01' 21.700"LNM 05/14, 1st Dist208613270_11/30/20142/6/2014
DeleteLittle Brewster Island Dock LightFl Y 2.5s 15ft 3MN 42° 19' 40.000"W 070° 53' 34.000"LNM 48/13, 1st Dist208613270_112/2/201312/2/2013
RelocateBumkin Island Lighted Bell Buoy 3G "3" Fl G 4s BELLN 42° 16' 50.925"W 070° 54' 19.014"LNM 41/13, 1st Dist208613270_110/11/201310/29/2013
AddBottom Characteristic:rkyN 42° 21' 02.000"W 070° 55' 58.000"LNM 38/13, 1st Dist208613270_19/13/201310/29/2013
DeleteRock in Feet38 Rk Chart No. 1: K14.2N 42° 21' 01.400"W 070° 56' 00.530"LNM 38/13, 1st Dist208613270_19/13/201310/29/2013
DeleteObstructionObstn PA Chart No. 1: K40N 42° 14' 13.600"W 070° 58' 06.100"LNM 37/13, 1st Dist208613270_19/9/201310/29/2013
ChangeDepth Legend - Weymouth Fore River to:35 FT 2012N 42° 14' 11.100"W 070° 58' 03.700"LNM 33/13, 1st Dist208613270_18/8/201310/29/2013
RelocateBoston North Channel Lighted Buoy 6R "6" Fl R 4sN 42° 21' 16.763"W 070° 56' 02.432"LNM 31/13, 1st Dist208613270_18/5/201310/29/2013
ChangeBoston North Channel Lighted Buoy 6R "6" Fl R 4s (delete BELL)N 42° 21' 16.763"W 070° 56' 02.432"LNM 31/13, 1st Dist208613270_18/5/201310/29/2013
AddSounding in Feet41N 42° 20' 04.900"W 071° 00' 03.600"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
SubstituteSounding in Feet40 for 39N 42° 20' 14.700"W 071° 00' 20.500"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
AddSounding in Feet38N 42° 20' 12.500"W 071° 00' 07.700"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
SubstituteSounding in Feet34 for 35N 42° 20' 15.600"W 071° 00' 08.400"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
DeleteSounding in Feet38N 42° 20' 06.600"W 071° 00' 04.500"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
AddSounding in Feet39N 42° 20' 18.400"W 071° 00' 24.600"LNM 32/13, 1st Dist208613270_18/5/201310/29/2013
RelocateNixes Mate DaybeaconBW BnN 42° 19' 53.232"W 070° 56' 39.276"LNM 28/13, 1st Dist208613270_17/16/201310/29/2013
ChangeCohasset Channel Light 8Fl R 2.5s 29ft 4M "8"N 42° 15' 05.463"W 070° 47' 00.654"LNM 23/13, 1st Dist208613270_16/12/201310/29/2013
RelocateHarding Ledge Lighted Bell Buoy 1HLG "1HL" Fl G 4s BELLN 42° 18' 34.188"W 070° 50' 37.872"LNM 09/13, 1st Dist208613270_13/20/201310/29/2013
RelocateBoston LightFl 10s 102ft 27M HORNN 42° 19' 40.855"W 070° 53' 24.266"LNM 09/13, 1st Dist208613270_13/20/201310/29/2013
RelocateBoston Ledge Buoy 6R N "6"N 42° 20' 04.645"W 070° 51' 49.694"LNM 09/13, 1st Dist208613270_13/20/201310/29/2013
RelocateMartin Ledge Buoy 4R N "4"N 42° 20' 45.705"W 070° 51' 12.074"LNM 09/13, 1st Dist208613270_13/20/201310/29/2013
RelocateThree and One-Half Fathom Ledge Lighted Bell Buoy 2R "2" Fl R 4s BELLN 42° 21' 04.975"W 070° 50' 29.784"LNM 09/13, 1st Dist208613270_13/20/201310/29/2013
RelocateNeponset River Buoy 1G C "1"N 42° 18' 21.877"W 071° 02' 18.489"LNM 50/12, 1st Dist208613270_112/6/201210/29/2013
RelocateNeponset River Buoy 2R N "2"N 42° 18' 24.144"W 071° 02' 19.519"LNM 50/12, 1st Dist208613270_112/6/201210/29/2013
RelocateCohasset Western Channel Buoy 4R N "4"N 42° 15' 34.692"W 070° 47' 17.905"LNM 21/12, 1st Dist208613270_15/30/201210/29/2013
Deletebridge construction noteCAUTION Fixed and floating obstructions, some submerged, may exist within the magenta tinted bridge construction area. Mariners are advised to proceed with caution. N 42° 14' 45.000"W 070° 59' 16.000"LNM 22/12, 1st Dist208613270_15/24/201210/29/2013
DeleteBridge Construction LabelBASCULE BRIDGE Bridge under constr (see note)N 42° 14' 41.000"W 070° 58' 01.000"LNM 22/12, 1st Dist208613270_15/24/201210/29/2013
ChangeLift Bridge LabelLIFT BRIDGE HOR CL 175 FT VERT CL 173 FT (OPEN) VERT CL 54 FT (CLOSED)N 42° 14' 39.000"W 070° 58' 02.000"LNM 22/12, 1st Dist208613270_15/24/201210/29/2013
DeleteBridge ConstructionNoneN 42° 14' 41.000"W 070° 58' 01.000"LNM 22/12, 1st Dist208613270_15/24/201210/29/2013
RelocateThieves Ledge Lighted Whistle Buoy 1G "1" Q G WHISN 42° 19' 34.067"W 070° 49' 49.332"LNM 14/12, 1st Dist208613270_14/12/201210/29/2013
RelocateWeymouth Fore River Channel Lighted Buoy 28R "28" Fl R 2.5sN 42° 14' 53.104"W 070° 57' 43.105"LNM 07/12, 1st Dist208613270_12/23/201210/29/2013
AddLittle Brewster Island Dock LightFl Y 2.5s 15ft 3MN 42° 19' 40.000"W 070° 53' 34.000"LNM 50/11, 1st Dist208613270_112/20/201110/29/2013
AddNantasket Roads DRC Lighted Hazard Buoy CW Or "C" Fl 4s PrivN 42° 18' 32.940"W 070° 55' 19.140"LNM 36/11, 1st Dist208613270_19/21/201110/29/2013
AddNantasket Roads DRC Lighted Hazard Buoy DW Or "D" Fl 4s PrivN 42° 18' 29.900"W 070° 55' 18.300"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddNantasket Roads DRC Lighted Hazard Buoy BW Or "B" Fl 4s PrivN 42° 18' 52.300"W 070° 55' 34.500"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddNantasket Roads DRC Lighted Hazard Buoy AW Or "A" Fl 2.5s PrivN 42° 18' 56.700"W 070° 55' 38.500"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddSpectacle Island Lighted Danger Buoy AW Or "A" Fl 5s PrivN 42° 19' 11.580"W 070° 59' 18.600"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddSpectacle Island Lighted No Wake Buoy DW Or "D" Fl 5s PrivN 42° 19' 03.780"W 070° 59' 07.380"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddSpectacle Island Lighted No Wake Buoy CW Or "C" Fl 5s PrivN 42° 19' 09.120"W 070° 59' 18.600"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddSpectacle Island Lighted No Wake Buoy BW Or "B" Fl 5s PrivN 42° 19' 16.620"W 070° 59' 25.020"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddSpectacle Island Lighted No Wake Buoy AW Or "A" Fl 5s PrivN 42° 19' 25.440"W 070° 59' 29.220"LNM 35/11, 1st Dist208613270_19/6/201110/29/2013
AddWeir River No Wake Lighted Buoy AW Or "A" Fl 4s PrivN 42° 16' 30.180"W 070° 53' 19.620"LNM 32/11, 1st Dist208613270_18/24/201110/29/2013
ChangeDepth Legend - Neponset River to:3 1/2 FT FOR MID 50 FT MAY-NOV 2009N 42° 17' 21.600"W 071° 02' 05.900"LNM 32/11, 1st Dist208613270_18/9/201110/29/2013
ChangeDepth Legend - Neponset River to:8 1/2 FT FOR MID-WIDTH OF 50 FT NOV 2009N 42° 17' 46.800"W 071° 02' 35.200"LNM 32/11, 1st Dist208613270_18/9/201110/29/2013
ChangeDepth Legend - Dorchester Bay to:12 FT FOR WIDTH OF 175 FT NOV 2009N 42° 18' 27.900"W 071° 01' 57.300"LNM 32/11, 1st Dist208613270_18/9/201110/29/2013
RelocatePoint Allerton South Breakwater LightQ Y 20ft 3MN 42° 18' 05.694"W 070° 54' 56.928"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateBoston Main Channel Light 5Fl G 2.5s 32ft 5M "5"N 42° 20' 00.162"W 071° 00' 03.732"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateSpiers Stand DaybeaconW BnN 42° 16' 17.256"W 070° 56' 36.570"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateWestern Way Light 1Fl G 4s 31ft 5M "1"N 42° 16' 47.436"W 070° 56' 20.958"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateThe Narrows Daybeacon 2AR "2A"N 42° 19' 22.542"W 070° 54' 46.170"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateWeymouth Fore River Channel Light 13Q G 28ft 4M "13"N 42° 16' 16.236"W 070° 55' 46.998"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateWinthrop Light 1Fl G 6s 24ft 5M "1"N 42° 21' 42.366"W 070° 58' 46.908"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocatePeddocks Island Channel Light 4PFl R 6s 26ft 4M "4P"N 42° 17' 37.914"W 070° 57' 24.294"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
RelocateThe Narrows Light 4Fl R 4s 35ft 6M "4"N 42° 19' 20.514"W 070° 55' 09.788"LNM 30/11, 1st Dist208613270_18/1/201110/29/2013
ChangePoint Allerton South Breakwater LightQ Y 20ft 3MN 42° 18' 05.760"W 070° 54' 56.880"LNM 09/11, 1st Dist208613270_13/8/201110/29/2013
ChangePoint Allerton North Breakwater LightQ Y 20ft 3MN 42° 18' 06.845"W 070° 54' 59.328"LNM 09/11, 1st Dist208613270_13/8/201110/29/2013


This listing provides all corrections to this chart since 2/14/2011, the Release Date of Edition 64.

Edition: 66, Print Date: Dec. /2018
Edition: 65, Print Date: Sep. /2016
Edition: 64, Print Date: Feb. /2011
Edition: 63, Print Date: Aug. /2008
Edition: 62, Print Date: Jun. /2006
Edition: 61, Print Date: Nov. /2004
Edition: 60, Print Date: Sep. /2003
Edition: 59, Print Date: 7/14/2001
Edition: 57, Print Date: 11/21/1998
Edition: 58, Print Date: 10/9/1999


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