Active Weather Alerts
Small Craft Advisory
Issued: 8:16 PM Apr. 21, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT WEDNESDAY... * WHAT...South winds around 10 kt with gusts up to 20 kt, except 15 kt with gusts up to 25 kt over the tidal Potomac River between Baber Point VA and Cobb Island MD and near the mouth of the tidal Patapsco River. * WHERE...Tidal Potomac River from Key Bridge to Cobb Island MD, Chesapeake Bay north of Pooles Island MD, and Patapsco River including Baltimore Harbor. * WHEN...Until 8 AM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
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