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Severe · Special Marine WarningThis alert has expired. It is kept for reference.

Special Marine Warning issued September 2 at 1:09PM EDT until September 2

Affecting Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River

In effect until: Sep 2, 2026, 6:45 PM

Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River

Likely impact; effects through 6:45 PM.

Move to safe harbor immediately as gusty winds and high waves are expected.

Read the original bulletin (official text)
SMWLWX

The National Weather Service in Sterling Virginia has issued a

* Special Marine Warning for...
Chesapeake Bay from Drum Point MD to Smith Point VA...
Chesapeake Bay from North Beach to Drum Point MD...
Chesapeake Bay from Pooles Island to Sandy Point MD...
Chesapeake Bay from Sandy Point to North Beach MD...
Choptank River to Cambridge MD and the Little Choptank River...
Eastern Bay...

* Until 245 PM EDT.

* At 109 PM EDT, severe thunderstorms were located along a line
extending from near Aberdeen Proving Ground to near Fort Smallwood
State Park to 20 nm north of Key Bridge, moving southeast at 45
knots.

HAZARD...Wind gusts in excess of 48 knots.

SOURCE...Radar indicated.

IMPACT...Boaters could easily be thrown overboard by suddenly
higher wind and waves capsizing their vessel. Boats could
suffer significant damage in high winds.

* Locations impacted include...
Choptank River, Knapps Narrows Bridge, Tilghman Island, Blackwalnut
Point, Chesapeake Beach, Greenbury Point, North Beach, Herring Bay,
Sandy Point State Park, Highland Beach, Severn River, Dares Beach,
Bloody Point Light, Chesapeake Bay Bridge, James Island, Calvert
Cliffs, Thomas Point Light, Poplar Island, Shady Side, and Drum
Point.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™