Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 150656
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
256 AM EDT Fri May 15 2026
ANZ250-254>256-152200-
/O.CON.KBOX.SC.Y.0055.000000T0000Z-260516T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
256 AM EDT Fri May 15 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT
SATURDAY...
* WHAT...Northwest winds 5 to 10 kt and seas 4 to 7 feet.
* WHERE...In Massachusetts coastal waters, Coastal waters east
of Ipswich Bay and the Stellwagen Bank National Marine
Sanctuary, Coastal waters from Provincetown MA to Chatham MA
to Nantucket MA out 20 NM and Coastal Waters extending out to
25 NM South of Marthas Vineyard and Nantucket. In Rhode Island
coastal waters, Coastal Waters from Montauk NY to Marthas
Vineyard extending out to 20 NM South of Block Island.
* WHEN...Until 8 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ235-237-251-152200-
/O.CON.KBOX.SC.Y.0055.000000T0000Z-260516T0600Z/
Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
256 AM EDT Fri May 15 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT
SATURDAY...
* WHAT...North winds 5 to 10 kt and seas 4 to 6 feet.
* WHERE...In Rhode Island coastal waters, Rhode Island Sound and
Block Island Sound. In Massachusetts coastal waters,
Massachusetts Bay and Ipswich Bay.
* WHEN...Until 2 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
