Special Marine Warning Issued for Tidal Potomac from Indian Head to Cobb Island MD
This alert is no longer in effect.
NOAA issued it on July 13, 2026, 5 weeks ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Baltimore MD/Washington DC issued a Special Marine Warning for the Tidal Potomac from Indian Head to Cobb Island MD until 7:45 PM EDT due to a strong thunderstorm with wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Tidal Potomac, Maryland
- Issued
- July 13, 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: historical. It was issued 5 weeks ago; use the issuing agency's live warning service for current conditions in Tidal Potomac, Maryland.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in Sterling Virginia (NWS Baltimore MD/Washington DC). The alert is effective from June 14 at 6:09 PM EDT until June 14 at 7:45 PM EDT.
Affected Areas
The warning covers Tidal Potomac from Indian Head to Cobb Island MD. Locations impacted include Potomac Creek, Widewater, Mathias Point, U.S. 301 Nice Memorial Bridge, Maryland Point, Nanjemoy Creek, Port Tobacco River, Popes Creek, Brent Point, and Fairview Beach.
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
At 6:09 PM EDT, a strong thunderstorm was located 18 nm southwest of Potomac Creek, moving northeast at 20 knots. Hazard includes wind gusts 34 knots or greater, detected by radar.
Timeline
The alert is in effect from June 14 at 6:09 PM EDT and expires June 14 at 7:45 PM EDT.
Original source: NOAA Official Notice ↗
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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 (1,022 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 13, 2026.
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