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


This listing provides all corrections to this chart since 9/23/2016, the Release Date of Edition 65.

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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