Storm Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
245 AM EDT Sat May 30 2026
ANZ250-254-301945-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
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-
245 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and
seas 8 to 13 feet.
* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen
Bank National Marine Sanctuary and Coastal waters from
Provincetown MA to Chatham MA to Nantucket MA out 20 NM.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
245 AM EDT Sat May 30 2026
ANZ255-256-301945-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
245 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...Northwest winds 30 to 40 kt with gusts up to 50 kt and
seas 5 to 8 feet.
* WHERE...In Massachusetts coastal waters, Coastal Waters
extending out to 25 NM South of Marthas Vineyard and
Nantucket. In Rhode Island coastal waters, Coastal Waters from
Montauk NY to Marthas Vineyard extending out to 20 NM South of
Block Island.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
245 AM EDT Sat May 30 2026
ANZ280>283-301945-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
Ocean Waters from the Merrimack River to Plymouth from 40 to
60 NM-
Ocean Waters from Provincetown to Nantucket from 20 to 60 NM-
Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM-
Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NM-
245 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas
8 to 13 feet.
* WHERE...Ocean Waters from the Merrimack River to Plymouth from
40 to 60 NM, Ocean Waters from Provincetown to Nantucket from
20 to 60 NM, Ocean Waters from Marthas Vineyard to Nantucket
from 25 to 60 NM and Ocean Waters from Montauk NY to Marthas
Vineyard from 25 to 60 NM.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
245 AM EDT Sat May 30 2026
ANZ232>235-237-301945-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-Rhode Island Sound-
Block Island Sound-
245 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...Northwest winds 25 to 35 kt with gusts up to 50 kt and
seas 4 to 6 feet.
* WHERE...In Massachusetts coastal waters, Nantucket Sound,
Vineyard Sound and Buzzards Bay. In Rhode Island coastal
waters, Rhode Island Sound and Block Island Sound.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
245 AM EDT Sat May 30 2026
ANZ231-251-301945-
/O.CON.KBOX.SR.W.0004.000000T0000Z-260531T0000Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
245 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...North winds 25 to 35 kt with gusts up to 50 kt and seas
7 to 10 feet.
* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gray ME
243 AM EDT Sat May 30 2026
ANZ154-182-184-301500-
/O.CON.KGYX.SR.W.0003.000000T0000Z-260530T1500Z/
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM-
Waters from Cape Elizabeth ME to Merrimack River MA from 25 to
60 NM-
243 AM EDT Sat May 30 2026
...STORM WARNING REMAINS IN EFFECT UNTIL 11 AM EDT THIS MORNING...
* WHAT...Northeast winds 25 to 35 kt with gusts up to 50 kt and
seas 7 to 10 ft.
* WHERE...Coastal Waters from Cape Elizabeth, ME to Merrimack
River, MA out 25 NM, Waters from Port Clyde ME to Cape
Elizabeth ME from 25 to 60 NM and Waters from Cape Elizabeth
ME to Merrimack River MA from 25 to 60 NM.
* WHEN...Until 11 AM EDT this morning.
* IMPACTS...Storm force winds and hazardous seas will capsize or
damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should remain in port, alter course, and/or secure the
vessel for severe conditions.
&&
$$