971
WHUS71 KBOX 171736
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
136 PM EDT Fri Oct 17 2025

ANZ235-237-171845-
/O.EXP.KBOX.SC.Y.0100.000000T0000Z-251017T1800Z/
Rhode Island Sound-Block Island Sound-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON...

.

$$

ANZ233-234-171845-
/O.EXP.KBOX.SC.Y.0100.000000T0000Z-251017T1800Z/
Vineyard Sound-Buzzards Bay-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON...

.

$$

ANZ236-171845-
/O.EXP.KBOX.SC.Y.0101.000000T0000Z-251017T1800Z/
Narragansett Bay-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON...

.

$$

ANZ230-171845-
/O.EXP.KBOX.SC.Y.0101.000000T0000Z-251017T1800Z/
Boston Harbor-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY WILL EXPIRE AT 2 PM EDT THIS AFTERNOON...

.

$$

ANZ254-255-180645-
/O.EXB.KBOX.SC.Y.0100.000000T0000Z-251019T1200Z/
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-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 AM EDT SUNDAY...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  6 to 9 feet.

* WHERE...Coastal waters from Provincetown to Chatham to Nantucket out
  20 nm and Coastal Waters extending out to 25 nm South of
  Marthas Vineyard and Nantucket.

* WHEN...Until 8 AM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ250-251-180645-
/O.EXT.KBOX.SC.Y.0100.000000T0000Z-251019T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-Massachusetts Bay and Ipswich Bay-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT SUNDAY...

* WHAT...North winds 10 to 20 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 and Massachusetts Bay and
  Ipswich Bay.

* WHEN...Until 8 AM EDT Sunday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

ANZ231-232-180000-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-251018T0000Z/
Cape Cod Bay-Nantucket Sound-
136 PM EDT Fri Oct 17 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
  3 to 5 feet.

* WHERE...Cape Cod Bay and Nantucket 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.

&&

$$

ANZ256-180000-
/O.CON.KBOX.SC.Y.0100.000000T0000Z-251018T0000Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
136 PM EDT Fri Oct 17 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
  3 to 5 feet.

* WHERE...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...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$