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High Surf Advisory


Coastal Hazard Message
National Weather Service Boston/Norton MA
240 AM EDT Thu Jul 23 2026

MAZ020>024-RIZ006>008-240000-
/O.CON.KBOX.SU.Y.0001.000000T0000Z-260724T0000Z/
Southern Bristol MA-Southern Plymouth MA-Barnstable MA-Dukes MA-
Nantucket MA-Washington RI-Newport RI-Block Island RI-
240 AM EDT Thu Jul 23 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

* WHAT...Large breaking waves of 4 to 7 feet in the surf zone
  and high risk of rip currents.

* WHERE...Washington, Southern Bristol MA, Southern Plymouth MA,
  Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties.

* WHEN...Until 8 PM EDT this evening.

* IMPACTS...Dangerous swimming and surfing conditions and
  localized beach erosion.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced swimmers should remain out of the water due to
dangerous surf conditions.

&&

$$


Small Craft Advisory


URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
209 PM EDT Thu Jul 23 2026

ANZ254-240000-
/O.EXT.KBOX.SC.Y.0075.000000T0000Z-260724T0000Z/
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 NM-
209 PM EDT Thu Jul 23 2026

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

* WHAT...Northeast winds 5 to 10 kt and seas 3 to 5 feet.

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

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
209 PM EDT Thu Jul 23 2026

ANZ255-240300-
/O.CON.KBOX.SC.Y.0075.000000T0000Z-260724T0300Z/
Coastal Waters extending out to 25 NM South of Marthas Vineyard
and Nantucket-
209 PM EDT Thu Jul 23 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

* WHAT...East winds 5 to 10 kt and seas 3 to 5 feet.

* WHERE...Coastal Waters extending out to 25 NM South of Marthas
  Vineyard and Nantucket.

* WHEN...Until 11 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Boston/Norton MA
209 PM EDT Thu Jul 23 2026

ANZ256-232300-
/O.EXT.KBOX.SC.Y.0075.000000T0000Z-260723T2300Z/
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 NM South of Block Island-
209 PM EDT Thu Jul 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS
EVENING...

* WHAT...Southwest winds 5 kt or less 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 7 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Gray ME
1156 AM EDT Thu Jul 23 2026

ANZ150-152-240600-
/O.EXT.KGYX.SC.Y.0069.000000T0000Z-260724T0600Z/
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-
1156 AM EDT Thu Jul 23 2026

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM EDT FRIDAY...

* WHAT...Seas 3 to 6 ft.

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

* WHEN...Until 2 AM 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.

&&

$$

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
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