Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 180646
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
246 AM EDT Tue Mar 18 2025
ANZ251-182000-
/O.EXA.KBOX.SC.Y.0037.000000T0000Z-250319T0000Z/
Massachusetts Bay and Ipswich Bay-
246 AM EDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
4 to 6 feet.
* WHERE...Massachusetts Bay and Ipswich Bay.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ254>256-182000-
/O.EXT.KBOX.SC.Y.0037.000000T0000Z-250320T1200Z/
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
246 AM EDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THURSDAY...
* WHAT...Northeast winds 20 to 30 kt with gusts up to 35 kt and
seas 7 to 10 feet.
* WHERE...In Massachusetts coastal waters, Coastal waters from
Provincetown MA to Chatham MA to Nantucket MA out 20 nm and
Coastal Waters extending out to 25 nm South of Marthas
Vineyard and Nantucket. In Rhode Island coastal waters,
Coastal Waters from Montauk NY to Marthas Vineyard extending
out to 20 nm South of Block Island.
* WHEN...Until 8 AM EDT Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ250-182000-
/O.EXT.KBOX.SC.Y.0037.000000T0000Z-250320T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
246 AM EDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT THURSDAY...
* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
seas 5 to 8 feet.
* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen
Bank National Marine Sanctuary.
* WHEN...Until 8 AM EDT Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ235-237-182000-
/O.CON.KBOX.SC.Y.0037.000000T0000Z-250319T0000Z/
Rhode Island Sound-Block Island Sound-
246 AM EDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...
* WHAT...North winds 10 to 20 kt with gusts up to 25 kt and seas
5 to 8 feet.
* WHERE...Rhode Island Sound and Block Island Sound.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ231>234-181800-
/O.CON.KBOX.SC.Y.0037.000000T0000Z-250318T1800Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-
246 AM EDT Tue Mar 18 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM EDT THIS
AFTERNOON...
* WHAT...North winds 15 to 25 kt with gusts up to 35 kt and seas
4 to 6 feet.
* WHERE...Cape Cod Bay, Nantucket Sound, Vineyard Sound and
Buzzards Bay.
* WHEN...Until 2 PM EDT this afternoon.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
