WHUS71 KBOX 200522

MWWBOX



URGENT - MARINE WEATHER MESSAGE

National Weather Service Boston/Norton MA

122 AM EDT Fri Mar 20 2026



ANZ231>235-237-202200-

/O.CON.KBOX.SC.Y.0033.260321T0000Z-260321T0900Z/

Cape Cod Bay-Nantucket Sound-Vineyard Sound-Buzzards Bay-

Rhode Island Sound-Block Island Sound-

122 AM EDT Fri Mar 20 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING

TO 5 AM EDT SATURDAY...



* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 

  seas 3 to 5 feet expected.



* WHERE...Portions of Massachusetts coastal waters and Rhode 

  Island coastal waters. 



* WHEN...From 8 PM this evening to 5 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.



&&



$$



ANZ250-254>256-202200-

/O.CON.KBOX.SC.Y.0033.260320T1800Z-260322T0000Z/

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-

122 AM EDT Fri Mar 20 2026



...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS

AFTERNOON TO 8 PM EDT SATURDAY...



* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and 

  seas 4 to 7 feet expected.



* 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...From 2 PM this afternoon to 8 PM 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.



&&



$$