Active Weather Alerts
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 9 PM EDT THIS EVENING... * WHAT...Northwest winds 10 to 15 kt with gusts up to 25 kt. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Sandy Point MD, Patapsco River including Baltimore Harbor, Chester River to Queenstown MD, Eastern Bay, and Patuxent River to Broomes Island MD. * WHEN...Until 9 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. &&
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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