Special Marine Warning Issued for Tidal Potomac from Indian Head to Cobb Island MD
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NWS Baltimore MD/Washington DC has issued a Special Marine Warning for the Tidal Potomac from Indian Head to Cobb Island MD until 11:00 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Tidal Potomac, Maryland
- Issued
- August 23, 2026
- Issuing authority
- NWS Baltimore MD/Washington DC
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Baltimore MD/Washington DC. The alert is effective from August 22 at 10:06 PM EDT until August 22 at 11:00 PM EDT.
Affected Areas
Tidal Potomac from Indian Head to Cobb Island MD. Locations impacted include Potomac Creek, Maryland Point, Nanjemoy Creek, Port Tobacco River, Cobb Island, Swan Point, Mathias Point, U.S. 301 Nice Memorial Bridge, Popes Creek, Brent Point, Westmoreland State Park, Fairview Beach, Colonial Beach, and Dahlgren.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel.
Expected Conditions
A strong thunderstorm was located 8 nm southwest of Potomac Creek, moving northeast at 25 knots. Hazard includes wind gusts 34 knots or greater.
Timeline
The warning is in effect from 2026-08-22T22:06:00-04:00 until 2026-08-22T23:00:00-04:00.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,013 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 23, 2026.
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