Special Marine Warning
Issued by NWS Boston, MA
Issued by NWS Boston, MA
080
WHUS51 KBOX 040425
SMWBOX
ANZ232-254-255-271>273-040530-
/O.NEW.KBOX.MA.W.0056.251104T0425Z-251104T0530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Special Marine Warning
National Weather Service Boston/Norton MA
1125 PM EST Mon Nov 3 2025
The National Weather Service in Boston/Norton has issued a
* Special Marine Warning for...
Coastal Waters extending out to 25 nm South of Marthas Vineyard and
Nantucket...
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm...
Nantucket Sound...
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 45 NM
offshore...
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 40 NM
offshore...
Ocean Waters from Provincetown to Nantucket from 20 to 35 NM
offshore...
* Until 1230 AM EST.
* At 1124 PM EST, gusty showers with occasional lightning strikes
were located along a line extending from Hyannisport to 9 nm east
of The Coastal Waters South Of Marthas Vineyard to 37 nm southeast
of Buoy 44097 Southeast Of Block Island, moving east at 45 knots.
HAZARD...Wind gusts 34 knots or greater.
SOURCE...Radar.
IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.
* Locations impacted include...
Hyannisport, The Coastal Waters South Of Nantucket, Nantucket
Sound, Great Point Light On Nantucket, Brant Point Light, The
Coastal Waters East Of Nantucket, Nantucket Shoals Buoy, Madaket
Harbor, Surfside On Nantucket, Chatham Light, Stage Harbor Light,
Sankaty Head Light, Monomoy Point, and Point Gammon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to safe harbor immediately as gusty winds and high waves are
expected.
&&
LAT...LON 4145 6917 4117 6915 4098 6924 4074 6945
4063 6963 4057 7013 4061 7047 4169 7028
4172 7015 4169 7013 4170 7001 4175 7000
4194 6912 4164 6910
TIME...MOT...LOC 0424Z 257DEG 47KT 4162 7031 4116 7039 4060 7049
HAIL...0.00IN
WIND...>34KTS
$$
Loconto