| Action | Item Name | Charting Label | Latitude | Longitude | Published Document | Kapp | RNC Panel | RNC Posted | PDF Posted |
| Add | Unexploded ordnance caution note | CAUTION
UNEXPLODED ORDNANCE
This area is a former firing range active from 1952 to 1961. Mariners are cautioned against anchoring, dredging or trawling in this area due to the possible existence of unexploded ordnance. | N 41° 40' 40.000" | W 070° 10' 08.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 7 OF 7 | (Chart No. 1: N1.1) | N 41° 42' 49.500" | W 069° 44' 58.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 6 OF 7 | (Chart No. 1: N1.1) | N 41° 42' 25.100" | W 069° 45' 40.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 5 OF 7 | (Chart No. 1: N1.1) | N 41° 41' 55.700" | W 069° 46' 36.700" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 4 OF 7 | (Chart No. 1: N1.1) | N 41° 52' 49.300" | W 069° 57' 13.800" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 3 OF 7 | (Chart No. 1: N1.1) | N 41° 52' 48.300" | W 069° 57' 24.600" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 2 OF 7 | (Chart No. 1: N1.1) | N 42° 02' 12.900" | W 069° 44' 58.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance limit PT 1 OF 7 | (Chart No. 1: N1.1) | N 41° 56' 17.000" | W 069° 58' 47.700" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance area label | Unexploded ordnance (see note) | N 41° 53' 42.000" | W 069° 55' 24.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance area label | Unexploded ordnance (see note) | N 41° 47' 57.000" | W 069° 46' 11.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Add | Unexploded ordnance area label | Unexploded ordnance (see note) | N 41° 58' 35.000" | W 069° 45' 57.000" | LNM 20/23, 1st Dist | 2098 | 13246_1 | 5/11/2023 | 5/11/2023 |
| Change | WHG Research Lighted Buoy W NERACOOS 44090 | Y "W NERACOOS 44090" Fl (5) Y 20s Priv | N 41° 50' 25.038" | W 070° 19' 43.068" | LNM 40/22, 1st Dist | 2098 | 13246_1 | 10/13/2022 | 10/13/2022 |
| Change | Chatham Beach Lighted Whistle Buoy C | RW "C" Mo (A) WHIS AIS | N 41° 39' 12.040" | W 069° 55' 30.051" | LNM 21/22, 1st Dist | 2098 | 13246_1 | 6/2/2022 | 6/2/2022 |
| Add | Dangerous Wreck | PA | N 42° 09' 25.574" | W 070° 41' 59.577" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy L | W Or "L" Priv | N 41° 56' 33.744" | W 070° 34' 06.426" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Lighted Buoy J | W Or "J" Fl 4s Priv | N 41° 56' 42.732" | W 070° 33' 57.750" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy H | W Or "H" Priv | N 41° 56' 52.188" | W 070° 34' 12.948" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy G | W Or "G" Priv | N 41° 56' 55.332" | W 070° 34' 17.766" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy E | W Or "E" Priv | N 41° 57' 03.942" | W 070° 34' 31.686" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Lighted Buoy C | W Or "C" Fl 4s Priv | N 41° 57' 13.056" | W 070° 34' 43.122" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy B | W Or "B" Priv | N 41° 57' 06.240" | W 070° 34' 48.924" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Delete | Pilgrim Power Plant Security Zone Buoy A | W Or "A" Priv | N 41° 57' 02.700" | W 070° 34' 51.840" | LNM 06/22, 1st Dist | 2098 | 13246_1 | 2/17/2022 | 2/17/2022 |
| Add | Rock in feet | 10 Rk | N 41° 51' 22.239" | W 070° 02' 54.751" | LNM 02/22, 1st Dist | 2098 | 13246_1 | 1/6/2022 | 1/6/2022 |
| Relocate | Wellfleet Harbor Channel Buoy 12 | R N "12" | N 41° 55' 06.360" | W 070° 02' 19.360" | LNM 04/21, 1st Dist | 2098 | 13246_1 | 2/4/2021 | 2/4/2021 |
| Relocate | WHOI TSS Research Lighted Buoy AB-10 | Y "AB-10" Fl Y 4s Priv | N 42° 04' 57.000" | W 069° 51' 48.000" | LNM 01/21, 1st Dist | 2098 | 13246_1 | 1/14/2021 | 1/14/2021 |
| Relocate | WELLFLEET HARBOR BUOY 12 | R N "12" | N 41° 55' 05.798" | W 070° 02' 18.579" | LNM 42/20, 1st Dist | 2098 | 13246_1 | 10/29/2020 | 10/29/2020 |
| Change | WOOD END LIGHT | Fl R 10s 45ft 3M HORN (MRASS) | N 42° 01' 16.800" | W 070° 11' 36.500" | LNM 30/20, 1st Dist | 2098 | 13246_1 | 8/6/2020 | 8/6/2020 |
| Relocate | FARNHAM ROCK LTD BELL BUOY 6 | R "6" Fl R 4s BELL | N 42° 05' 35.865" | W 070° 36' 23.477" | LNM 22/20, 1st Dist | 2098 | 13246_1 | 6/11/2020 | 6/11/2020 |
| Relocate | CHATHAM BEACH LTD WHISTLE BUOY C | RW "C" Mo (A) WHIS AIS | N 41° 39' 12.006" | W 069° 55' 30.041" | LNM 11/20, 1st Dist | 2098 | 13246_1 | 4/2/2020 | 4/2/2020 |
| Change | CHATHAM BEACH LTD WHISTLE BUOY C | RW "C" Mo (A) WHIS AIS | N 41° 39' 12.006" | W 069° 55' 30.041" | LNM 11/20, 1st Dist | 2098 | 13246_1 | 4/2/2020 | 4/2/2020 |
| Relocate | WHOI TRAFFIC SEPARATION SCHEME RESEARCH LTD BUOY AB-9 | Y "AB-9" Fl Y 4s Priv | N 42° 09' 23.340" | W 069° 54' 58.140" | LNM 11/20, 1st Dist | 2098 | 13246_1 | 4/2/2020 | 4/2/2020 |
| Relocate | WHOI TRAFFIC SEPARATION SCHEME RESEARCH LTD BUOY AB-10 | Y "AB-10" Fl Y 4s Priv | N 42° 04' 33.618" | W 069° 51' 47.724" | LNM 11/20, 1st Dist | 2098 | 13246_1 | 4/2/2020 | 4/2/2020 |
| Change | PROVINCETOWN AQUACULTURE LIGHTED BUOY D | Y "D" Fl Y 3s Priv | N 42° 02' 47.000" | W 070° 08' 12.000" | LNM 05/20, 1st Dist | 2098 | 13246_1 | 2/13/2020 | 2/13/2020 |
| Change | PROVINCETOWN AQUACULTURE LIGHTED BUOY C | Y "C" Fl Y 3s Priv | N 42° 02' 43.000" | W 070° 08' 12.000" | LNM 05/20, 1st Dist | 2098 | 13246_1 | 2/13/2020 | 2/13/2020 |
| Change | PROVINCETOWN AQUACULTURE LIGHTED BUOY B | Y "B" Fl Y 3s Priv | N 42° 03' 04.800" | W 070° 09' 29.600" | LNM 05/20, 1st Dist | 2098 | 13246_1 | 2/13/2020 | 2/13/2020 |
| Change | PROVINCETOWN AQUACULTURE LIGHTED BUOY A | Y "A" Fl Y 3s Priv | N 42° 03' 01.500" | W 070° 09' 31.000" | LNM 05/20, 1st Dist | 2098 | 13246_1 | 2/13/2020 | 2/13/2020 |
| Delete | HIGH HEAD FISH TRAP LIGHT | Fl Y 4s 10ft Priv | N 42° 02' 45.540" | W 070° 07' 15.180" | LNM 33/19, 1st Dist | 2098 | 13246_1 | 8/22/2019 | 8/22/2019 |
| Delete | SESUIT HARBOR DANGER BUOY | W Or "ROCK" Priv | N 41° 45' 31.500" | W 070° 10' 03.100" | LNM 30/19, 1st Dist | 2098 | 13246_1 | 8/1/2019 | 8/1/2019 |
| Relocate | PLYMOUTH LIGHT | Fl (3) 30s 102ft 15M HORN (MRASS) | N 42° 00' 13.394" | W 070° 36' 02.167" | LNM 06/19, 1st Dist | 2098 | 13246_1 | 2/14/2019 | 2/14/2019 |
| Change | PLYMOUTH LIGHT | Fl (3) 30s 102ft 15M HORN (MRASS) | N 42° 00' 13.394" | W 070° 36' 02.167" | LNM 06/19, 1st Dist | 2098 | 13246_1 | 2/14/2019 | 2/14/2019 |
| Relocate | BARNSTABLE HARBOR ENTRANCE LIGHTED BUOY 6 | R "6" Fl R 2.5s | N 41° 43' 26.417" | W 070° 16' 12.417" | LNM 43/18, 1st Dist | 2098 | 13246_1 | 11/1/2018 | 11/1/2018 |
| Change | Depth Legend - Wellfleet Harbor | 3 FT 2018 | N 41° 55' 27.000" | W 070° 02' 12.000" | LNM 34/18, 1st Dist | 2098 | 13246_1 | 8/16/2018 | 8/16/2018 |
| Add | SUBMERGED WRECK | PA | N 41° 36' 04.080" | W 069° 47' 10.380" | LNM 32/18, 1st Dist | 2098 | 13246_1 | 8/16/2018 | 8/16/2018 |
| Relocate | PLYMOUTH BAY CHANNEL BUOY 6 | R N "6" | N 41° 59' 20.880" | W 070° 37' 55.665" | LNM 12/18, 1st Dist | 2098 | 13246_1 | 3/29/2018 | 3/29/2018 |
| Relocate | JAMES LONGSTREET ISOLATED DANGER BUOY DJ | BR "DJ" Fl (2) 5s | N 41° 49' 52.577" | W 070° 02' 40.455" | LNM 12/18, 1st Dist | 2098 | 13246_1 | 3/29/2018 | 3/29/2018 |
| Relocate | BILLINGSGATE ISLAND LTD BUOY 8 | R"8" Fl R 2.5s | N 41° 52' 31.738" | W 070° 03' 39.408" | LNM 12/18, 1st Dist | 2098 | 13246_1 | 3/29/2018 | 3/29/2018 |
| Relocate | CAPE COD CANAL EASTERN ENTRANCE LTD BELL BUOY 3 | G "3" Q G BELL | N 41° 46' 48.874" | W 070° 28' 55.972" | LNM 12/18, 1st Dist | 2098 | 13246_1 | 3/29/2018 | 3/29/2018 |
| Add | OBSTRUCTION (ANCHOR) | Obstn (Anchor) | N 41° 48' 25.020" | W 070° 29' 12.960" | LNM 07/18, 1st Dist | 2098 | 13246_1 | 2/22/2018 | 2/22/2018 |
| Add | PROVINCETOWN AQUACULTURE LTD BUOY D | Y "D" Fl Y 4s Priv | N 42° 02' 47.000" | W 070° 08' 12.000" | LNM 02/18, 1st Dist | 2098 | 13246_1 | 1/18/2018 | 1/18/2018 |
| Add | PROVINCETOWN AQUACULTURE LTD BUOY C | Y "C" Fl Y 4s Priv | N 42° 02' 43.000" | W 070° 08' 12.000" | LNM 02/18, 1st Dist | 2098 | 13246_1 | 1/18/2018 | 1/18/2018 |
| Add | PROVINCETOWN AQUACULTURE LTD BUOY B | Y "B" Fl Y 4s Priv | N 42° 03' 04.800" | W 070° 09' 29.600" | LNM 02/18, 1st Dist | 2098 | 13246_1 | 1/18/2018 | 1/18/2018 |
| Add | PROVINCETOWN AQUACULTURE LTD BUOY A | Y "A" Fl Y 4s Priv | N 42° 03' 01.500" | W 070° 09' 31.000" | LNM 02/18, 1st Dist | 2098 | 13246_1 | 1/18/2018 | 1/18/2018 |
| Change | WHG RESEARCH LTD BUOY W | Y "W" Fl (5) Y 20s Priv | N 41° 50' 25.038" | W 070° 19' 43.068" | LNM 42/17, 1st Dist | 2098 | 13246_1 | 10/26/2017 | 10/26/2017 |
| Relocate | WHG RESEARCH LTD BUOY W | Y "W" Fl (5) Y 20s Priv | N 41° 50' 25.038" | W 070° 19' 43.068" | LNM 42/17, 1st Dist | 2098 | 13246_1 | 10/26/2017 | 10/26/2017 |
| Relocate | BARNSTABLE HARBOR ENTRANCE BUOY 4 | R N "4" | N 41° 43' 51.666" | W 070° 16' 17.360" | LNM 30/17, 1st Dist | 2098 | 13246_1 | 8/3/2017 | 8/3/2017 |
| Change | DUXBURY PIER LIGHT | Fl (2) R 5s 35ft 6M HORN (MRASS) | N 41° 59' 14.732" | W 070° 38' 54.773" | LNM 29/17, 1st Dist | 2098 | 13246_1 | 8/3/2017 | 8/3/2017 |
| Change | HIGHLAND LIGHT | Fl 5s 170ft 14M | N 42° 02' 22.282" | W 070° 03' 39.377" | LNM 45/16, 1st Dist | 2098 | 13246_1 | 11/24/2016 | 11/17/2016 |
| Change | PROVINCETOWN HARBOR BKW WEST END LT 4 | Fl R 2.5s 32ft 5M "4" | N 42° 02' 45.533" | W 070° 10' 52.025" | LNM 35/16, 1st Dist | 2098 | 13246_1 | 9/8/2016 | 9/8/2016 |
| Relocate | STAGE HARBOR LIGHT | Fl 6s 28ft 7M | N 41° 39' 30.265" | W 069° 59' 04.095" | LNM 33/16, 1st Dist | 2098 | 13246_1 | 8/25/2016 | 8/25/2016 |
| Change | STAGE HARBOR LIGHT | Fl 6s 28ft 7M | N 41° 39' 30.265" | W 069° 59' 04.095" | LNM 33/16, 1st Dist | 2098 | 13246_1 | 8/25/2016 | 8/25/2016 |
| Add | USGS RESEARCH LTD BUOY W | Y "W" Fl Y 4s Priv | N 41° 50' 22.800" | W 070° 19' 44.400" | LNM 22/16, 1st Dist | 2098 | 13246_1 | 6/9/2016 | 6/9/2016 |
| Change | PROVINCETOWN HARBOR BKW EAST END LT 5 | Fl G 6s 32ft 5M "5" | N 42° 03' 05.080" | W 070° 10' 32.707" | LNM 18/16, 1st Dist | 2098 | 13246_1 | 5/12/2016 | 5/12/2016 |
| Change | PROVINCETOWN HARBOR BKW WEST END LT 4 | Fl R 2.5s 20ft 5M "4" | N 42° 02' 45.533" | W 070° 10' 52.025" | LNM 18/16, 1st Dist | 2098 | 13246_1 | 5/12/2016 | 5/12/2016 |
| Change | CAPE COD CANAL APPROACH LTD BELL BUOY CC | RW "CC" Mo (A) BELL AIS | N 41° 48' 52.892" | W 070° 27' 38.799" | LNM 41/15, 1st Dist | 2098 | 13246_1 | 10/22/2015 | 10/22/2015 |
| Relocate | PILGRIM POWER PLANT SECURITY ZONE BUOY A | W Or "A" Priv | N 41° 57' 02.700" | W 070° 34' 51.840" | LNM 37/15, 1st Dist | 2098 | 13246_1 | 9/24/2015 | 9/24/2015 |
| Change | Depth Legend - WELLFLEET HARBOR, MA | 8 FT 2015 | N 41° 55' 27.000" | W 070° 02' 12.000" | LNM 32/15, 1st Dist | 2098 | 13246_1 | 8/6/2015 | 8/6/2015 |
| Relocate | Cape Cod Canal Approach Lighted Buoy 1 To | G "1" Fl G 2.5s | N 41° 47' 05.783" | W 070° 28' 06.498" | LNM 18/15, 1st Dist | 2098 | 13246_1 | 5/7/2015 | 5/7/2015 |
| Relocate | Cape Cod Canal Approach Lighted Buoy 1 From | G "1" Fl G 2.5s | N 41° 47' 05.783" | W 070° 28' 02.862" | LNM 18/15, 1st Dist | 2098 | 13246_1 | 5/7/2015 | 5/7/2015 |
| Relocate | CAPE COD CANAL EASTERN ENTRANCE LTD BUOY 4 | R "4" Q R | N 41° 46' 49.682" | W 070° 29' 17.303" | LNM 17/15, 1st Dist | 2098 | 13246_1 | 5/14/2015 | 5/14/2015 |
| Change | LONG POINT LIGHT | Oc G 4s 36ft 8M HORN (MRASS) | N 42° 01' 59.230" | W 070° 10' 07.150" | LNM 10/15, 1st Dist | 2098 | 13246_1 | 4/2/2015 | 4/2/2015 |
| Change | WOOD END LIGHT | Fl R 10s 45ft 13M HORN (MRASS) | N 42° 01' 16.800" | W 070° 11' 36.500" | LNM 10/15, 1st Dist | 2098 | 13246_1 | 4/2/2015 | 4/2/2015 |
| Add | MRASS NOTE | CELL RASS01 | N 41° 44' 33.000" | W 070° 32' 17.000" | LNM 08/15, 1st Dist | 2098 | 13246_1 | 3/5/2015 | 3/5/2015 |
| Change | CAPE COD CANAL BKW LIGHT 6 | Fl R 5s 43ft 9M "6" HORN (MRASS) | N 41° 46' 47.220" | W 070° 29' 23.280" | LNM 05/15, 1st Dist | 2098 | 13246_1 | 2/12/2015 | 2/12/2015 |
| Change | CAPE COD CANAL BKW LT 6 | Fl R 5s 43ft 9M "6" HORN (1) 15s (MRASS) | N 41° 46' 47.220" | W 070° 29' 23.280" | LNM 02/15, 1st Dist | 2098 | 13246_1 | 1/22/2015 | 1/22/2015 |
| Add | Pilot boarding area | Pilots | N 41° 48' 52.000" | W 070° 26' 58.000" | LNM 02/15, 1st Dist | 2098 | 13246_1 | 1/15/2015 | 1/15/2015 |
| Change | RACE POINT LIGHT | Fl 10s 41ft 14M | N 42° 03' 44.400" | W 070° 14' 34.900" | LNM 41/14, 1st Dist | 2098 | 13246_1 | 10/23/2014 | 10/23/2014 |
| Delete | Cape Cod Bay Disposal Site Lighted Buoy | Y Fl Y 4s Priv | N 41° 54' 38.580" | W 070° 13' 39.840" | LNM 38/14, 1st Dist | 2098 | 13246_1 | 10/2/2014 | 10/2/2014 |
| Relocate | WHOI Traffic Separation Scheme Research Lighted Buoy AB-10 | Y "AB-10" Fl Y 4s Priv | N 42° 03' 46.044" | W 069° 50' 55.788" | LNM 03/14, 1st Dist | 2098 | 13246_1 | 1/30/2014 | 1/30/2014 |
| Relocate | Billingsgate Flat Lighted Buoy 3 | G "3" Fl G 2.5s | N 41° 50' 48.779" | W 070° 02' 53.368" | LNM 46/13, 1st Dist | 2098 | 13246_1 | 11/19/2013 | 11/21/2013 |
| Relocate | Barnstable Harbor Entrance Lighted Buoy 6 | R "6" Fl R 2.5s | N 41° 43' 24.373" | W 070° 16' 17.427" | LNM 45/13, 1st Dist | 2098 | 13246_1 | 11/14/2013 | 11/14/2013 |