Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued September 4 at 4:44AM EDT until September 4
Affecting Rhode Island Sound; Block Island Sound; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
In effect until: Sep 4, 2026, 9:45 AM
Rhode Island Sound; Block Island Sound; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island
Likely impact; effects through 9:45 AM.
Stay indoors, monitor local alerts, and follow instructions from local officials.
Read the original bulletin (official text)
SMWBOX The National Weather Service in Boston/Norton has issued a * Special Marine Warning for... Block Island Sound... Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island... Rhode Island Sound... * Until 545 AM EDT. * At 444 AM EDT, a strong thunderstorm was located near Point Judith Light, moving east at 25 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Rhode Island Sound and The Coastal Waters Between Block Island And Marthas Vineyard.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™