Marine Weather Message - Issued When Needed
Check the date and area (our area is ANZ251)

WHUS71 KBOX 290637
MWWBOX

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
237 AM EDT Tue Apr 29 2025

ANZ231-233-234-291945-
/O.UPG.KBOX.SC.Y.0059.250429T1800Z-250430T1200Z/
/O.NEW.KBOX.GL.W.0022.250429T1800Z-250430T0600Z/
Cape Cod Bay-Vineyard Sound-Buzzards Bay-
237 AM EDT Tue Apr 29 2025

...GALE WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 2 AM EDT
WEDNESDAY...

* WHAT...Southwest winds 20 to 25 kt with gusts up to 35 kt and 
  seas 3 to 5 feet expected.

* WHERE...Cape Cod Bay, Vineyard Sound and Buzzards Bay.

* WHEN...From 2 PM this afternoon to 2 AM EDT Wednesday.

* IMPACTS...Strong winds will cause hazardous seas which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.

&&

$$

ANZ250-291945-
/O.EXT.KBOX.SC.Y.0059.250429T1500Z-250430T1200Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
237 AM EDT Tue Apr 29 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
8 AM EDT WEDNESDAY...

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

* WHERE...Coastal waters east of Ipswich Bay and the Stellwagen 
  Bank National Marine Sanctuary.

* WHEN...From 11 AM this morning to 8 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.

&&

$$

ANZ254>256-291945-
/O.EXT.KBOX.SC.Y.0059.250429T1500Z-250430T2000Z/
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-
237 AM EDT Tue Apr 29 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 11 AM THIS MORNING TO
4 PM EDT WEDNESDAY...

* 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 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 11 AM this morning to 4 PM 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.

&&

$$

ANZ232-235-237-251-291945-
/O.EXT.KBOX.SC.Y.0059.250429T1800Z-250430T1600Z/
Nantucket Sound-Rhode Island Sound-Block Island Sound-
Massachusetts Bay and Ipswich Bay-
237 AM EDT Tue Apr 29 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
NOON EDT WEDNESDAY...

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

* WHERE...In Massachusetts coastal waters, Nantucket Sound and 
  Massachusetts Bay and Ipswich Bay. In Rhode Island coastal 
  waters, Rhode Island Sound and Block Island Sound.

* WHEN...From 2 PM this afternoon to noon 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.

&&

$$

ANZ230-291945-
/O.EXT.KBOX.SC.Y.0059.250429T1800Z-250430T1600Z/
Boston Harbor-
237 AM EDT Tue Apr 29 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO
NOON EDT WEDNESDAY...

* WHAT...Southwest winds 15 to 20 kt with gusts up to 30 kt and 
  waves around 2 feet expected.

* WHERE...Boston Harbor.

* WHEN...From 2 PM this afternoon to noon 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.

&&

$$

ANZ236-291945-
/O.CON.KBOX.SC.Y.0059.250429T1800Z-250430T1200Z/
Narragansett Bay-
237 AM EDT Tue Apr 29 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS
AFTERNOON TO 8 AM EDT WEDNESDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 feet expected.

* WHERE...Narragansett Bay.

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

&&

$$

Frank