LNM01-662F50
PAN PANReceived 28 Oct 2026, 00:00 UTCArchived 04 Nov 2026, 18:11 UTC
Warning text
Positions open on the mapSECTOR BOSTON, SUBMERGED LAND ACT (SLA)
General / Miscellaneous
Location: 42-22.59N 070-45.52W 42-22.01N 070-45.45W 42-21.93N 070-46.73W 42-22.53N 070-46.78W 42-22.59N 070-45.52W MA –3NM East of the Graves Light– Live Fire Gunnery Exercise Mariners are advised that the Boston Police Harbor Unit will be conducting a Live Fire Gunnery Exercise within a two nautical mile radius of position approximate 42.21.40N 070.49W. The Boston Police Harbor Patrol Unit will be utilizing various long arms and small arms during the exercise. The exercise will be conducted on October 29th, 2026, between the hours of 10:00 a.m. to 2:00 p.m. In the event weather conditions are not favorable the exercise will be conducted at a later date For more information mariners may contact the Boston Police Harbor Patrol Unit (617) 343-4721. On scene patrol vessel Guardian and Mullen will be monitoring VHF-FM CH 16/13. Mariners are advised to use extreme caution when transiting the area.
Valid 2026-10-29 to 2026-10-30.
USCG Northeast District Local Notice to Mariners 43/2026
Location map
Open on the full mapKeywordsgunnery exerciseGUNNERY