weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ230-080930-
/O.CON.KBOX.SC.Y.0111.000000T0000Z-251108T1200Z/
Boston Harbor-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and
  waves 1 to 2 feet.

* WHERE...Boston Harbor.

* WHEN...Until 7 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ231-251-080930-
/O.CON.KBOX.SC.Y.0111.000000T0000Z-251108T1500Z/
Cape Cod Bay-Massachusetts Bay and Ipswich Bay-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

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

* WHERE...Cape Cod Bay and Massachusetts Bay and Ipswich Bay.

* WHEN...Until 10 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ232>234-080930-
/O.CON.KBOX.SC.Y.0111.000000T0000Z-251108T1500Z/
Nantucket Sound-Vineyard Sound-Buzzards Bay-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

* WHAT...Southwest winds 20 to 30 kt and seas 3 to 5 feet.

* WHERE...Nantucket Sound, Vineyard Sound and Buzzards Bay.

* WHEN...Until 10 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ235-237-080930-
/O.EXT.KBOX.SC.Y.0111.000000T0000Z-251109T0000Z/
Rhode Island Sound-Block Island Sound-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EST SATURDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 30 kt and
  seas 5 to 8 feet.

* WHERE...Rhode Island Sound and Block Island Sound.

* WHEN...Until 7 PM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ236-080930-
/O.CON.KBOX.SC.Y.0111.000000T0000Z-251108T1200Z/
Narragansett Bay-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
SATURDAY...

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

* WHERE...Narragansett Bay.

* WHEN...Until 7 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ250-080930-
/O.CON.KBOX.SC.Y.0111.000000T0000Z-251108T1500Z/
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST
SATURDAY...

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

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

* WHEN...Until 10 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ254-080930-
/O.EXT.KBOX.SC.Y.0111.000000T0000Z-251109T0300Z/
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST SATURDAY...

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

* WHERE...Coastal waters from Provincetown MA to Chatham MA to
  Nantucket MA out 20 nm.

* WHEN...Until 10 PM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
317 PM EST Fri Nov 7 2025

ANZ255-256-080930-
/O.EXT.KBOX.SC.Y.0111.000000T0000Z-251109T0900Z/
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-
317 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM EST SUNDAY...

* WHAT...West winds 20 to 30 kt and seas 6 to 9 feet.

* 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...Until 4 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service New York NY
111 PM EST Fri Nov 7 2025

ANZ331-332-335-338-340-345-081100-
/O.CON.KOKX.SC.Y.0099.000000T0000Z-251108T1100Z/
Long Island Sound East of New Haven CT/Port Jefferson NY to the
Mouth of the Connecticut River-
Long Island Sound East of the Mouth of the Connecticut River-
Long Island Sound West of New Haven CT/Port Jefferson NY-
New York Harbor-Peconic and Gardiners Bays-
South Shore Bays from Jones Inlet through Shinnecock Bay-
111 PM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
SATURDAY...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt. Seas
  3 to 5 feet on eastern Long Island Sound.

* WHERE...Long Island Sound, New York Harbor, Peconic and
  Gardiners Bays, and South Shore Bays from Jones Inlet through
  Shinnecock Bay.

* WHEN...Until 6 AM EST 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gray ME
1210 AM EST Fri Nov 7 2025

ANZ150-152-154-071915-
/O.NEW.KGYX.SC.Y.0081.251107T2100Z-251108T1500Z/
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out
25 NM-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
1210 AM EST Fri Nov 7 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM EST SATURDAY...

* WHAT...Southwest winds 15 to 25 kt with gusts up to 35 kt and
  seas 4 to 7 ft expected.

* WHERE...Coastal Waters from Stonington, ME to Port Clyde, ME
  out 25 NM, Coastal Waters from Port Clyde, ME to Cape
  Elizabeth, ME out 25 NM and Coastal Waters from Cape
  Elizabeth, ME to Merrimack River, MA out 25 NM.

* WHEN...From 4 PM this afternoon to 10 AM EST 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.

&&

$$

Tubbs

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE