Active Weather Alerts
Special Marine Warning
Issued: 3:34 PM Apr. 20, 2026 – National Weather Service
...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL 100 PM EDT... For the following areas... Chesapeake Bay from North Beach to Drum Point MD... Chesapeake Bay from Sandy Point to North Beach MD... Choptank River to Cambridge MD and the Little Choptank River... Eastern Bay... Patuxent River to Broomes Island MD... At 1134 AM EDT, strong thunderstorms were located along a line extending from 7 nm west of Mayo to 10 nm east of National Harbor to 6 nm south of Fort Washington, moving east at 30 knots. HAZARD...Wind gusts 34 knots or greater and small hail. SOURCE...Observed wind. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. Locations impacted include... Choptank River, Greenwell State Park, Saint Leonard Creek, Knapps Narrows Bridge, Tilghman Island, Blackwalnut Point, Chesapeake Beach, Solomons Island, Cuckold Creek, Town Creek, North Beach, Drum Point, Herring Bay, Sandy Point State Park, Bloody Point Light, Matapeake, Chesapeake Bay Bridge, James Island, Calvert Cliffs, and Thomas Point Light. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && HAIL...<.75IN; WIND...>34KTS
Special Marine Warning
Issued: 1:24 PM Apr. 20, 2026 – National Weather Service
...GUSTY SHOWERS WITH SMALL HAIL THROUGH MID AFTERNOON... A few showers and perhaps an isolated thunderstorm are possible through mid afternoon. Some of these storms may contain wind gusts to gale force and small hail. Special Marine Warnings may be needed for portions of the waters during this time.
Small Craft Advisory
Issued: 12:47 PM Apr. 20, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT TUESDAY... * WHAT...North winds 10 to 20 kt with gusts up to 25 kt. * WHERE...Chesapeake Bay from Sandy Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...Until 4 AM EDT Tuesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Freeze Warning
Issued: 12:45 PM Apr. 20, 2026 – National Weather Service
...FREEZE WARNING REMAINS IN EFFECT FROM 2 AM TO 10 AM EDT TUESDAY... * WHAT...Sub-freezing temperatures as low as 29 expected, especially in outlying areas away from larger bodies of water. * WHERE...Washington DC, and portions of central, northern, and southern Maryland, and central and northern Virginia. * WHEN...From 2 AM to 10 AM EDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent water pipes from freezing, wrap or drain or allow them to drip slowly. &&
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