Marine Weather Message
Issued by NWS Boston, MA

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313
WHUS71 KBOX 311829
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
229 PM EDT Thu Jul 31 2025

ANZ234-010800-
/O.EXB.KBOX.SC.Y.0082.250801T0000Z-250802T0600Z/
Buzzards Bay-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 AM
EDT SATURDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and
  seas 2 to 4 feet expected.

* WHERE...Buzzards Bay.

* WHEN...From 8 PM this evening to 2 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.

&&

$$

ANZ251-010800-
/O.EXB.KBOX.SC.Y.0082.250801T0600Z-250802T0000Z/
Massachusetts Bay and Ipswich Bay-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT FRIDAY...

* WHAT...Northeast winds 10 to 20 kt with gusts up to 25 kt and
  seas 2 to 4 feet expected.

* WHERE...Massachusetts Bay and Ipswich Bay.

* WHEN...From 2 AM to 8 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ236-010800-
/O.EXB.KBOX.SC.Y.0082.250801T0600Z-250802T0000Z/
Narragansett Bay-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM TO 8 PM EDT FRIDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 25 kt and
  waves 2 to 3 feet expected.

* WHERE...Narragansett Bay.

* WHEN...From 2 AM to 8 PM EDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ANZ255-256-010800-
/O.EXT.KBOX.SC.Y.0082.250801T0000Z-250802T1200Z/
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-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
8 AM EDT SATURDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  seas 4 to 6 feet expected.

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

&&

$$

ANZ250-254-010800-
/O.EXT.KBOX.SC.Y.0082.250801T0000Z-250802T1200Z/
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-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
8 AM EDT SATURDAY...

* WHAT...Northeast winds 15 to 20 kt with gusts up to 30 kt and
  seas 3 to 5 feet expected.

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

&&

$$

ANZ231>233-235-237-010800-
/O.EXT.KBOX.SC.Y.0082.250801T0000Z-250802T0600Z/
Cape Cod Bay-Nantucket Sound-Vineyard Sound-Rhode Island Sound-
Block Island Sound-
229 PM EDT Thu Jul 31 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 8 PM THIS EVENING TO
2 AM EDT SATURDAY...

* WHAT...Northeast winds 15 to 25 kt with gusts up to 30 kt and
  seas 2 to 4 feet expected.

* WHERE...In Massachusetts coastal waters, Cape Cod Bay,
  Nantucket Sound and Vineyard Sound. In Rhode Island coastal
  waters, Rhode Island Sound and Block Island Sound.

* WHEN...From 8 PM this evening to 2 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.

&&

$$