Marine Weather Message - Issued When Needed Check the date and area (our area is ANZ251)
WHUS71 KBOX 241757
MWWBOX
URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
157 PM EDT Tue Mar 24 2026
ANZ251-250800-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Massachusetts Bay and Ipswich Bay-
157 PM EDT Tue Mar 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
seas 3 to 5 feet expected.
* WHERE...Massachusetts Bay and Ipswich Bay.
* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ256-241900-
/O.CAN.KBOX.SC.Y.0034.000000T0000Z-260324T2000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
157 PM EDT Tue Mar 24 2026
...SMALL CRAFT ADVISORY IS CANCELLED...
$$
ANZ231-250800-
/O.NEW.KBOX.SC.Y.0035.260325T0000Z-260325T1100Z/
Cape Cod Bay-
157 PM EDT Tue Mar 24 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 7 AM
EDT WEDNESDAY...
* WHAT...Southwest winds 10 to 15 kt with gusts up to 25 kt and
seas 2 to 4 feet expected.
* WHERE...Cape Cod Bay.
* WHEN...From 8 PM this evening to 7 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
ANZ250-254-255-250800-
/O.EXT.KBOX.SC.Y.0034.000000T0000Z-260325T1100Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
157 PM EDT Tue Mar 24 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 AM EDT WEDNESDAY...
* WHAT...Southwest winds 10 to 20 kt with gusts up to 25 kt and
seas 4 to 6 feet.
* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen
Bank National Marine Sanctuary, Coastal waters from
Provincetown MA to Chatham MA to Nantucket MA out 20 nm and
Coastal Waters extending out to 25 nm South of Marthas
Vineyard and Nantucket.
* WHEN...Until 7 AM EDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
