Special Marine Warning Issued for Tidal Potomac MD-VA
This alert is no longer in effect.
NOAA issued it on July 9, 2026, 6 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/Washington has issued a Special Marine Warning for the Tidal Potomac until 7:30 PM EDT due to a severe thunderstorm with wind gusts over 48 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Tidal Potomac MD-VA
- Issued
- July 9, 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 6 weeks ago; use the issuing agency's live warning service for current conditions in Tidal Potomac MD-VA.
Alert Details
Special Marine Warning issued by NWS Baltimore MD/Washington DC. Effective from 5:29 PM EDT June 12, 2026 until 7:30 PM EDT June 12, 2026. Alert type code: MAW.
Affected Areas
Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA. Locations impacted include Breton Bay, Potomac Creek, Saint Clements Bay, Maryland Point, Nanjemoy Creek, Port Tobacco River, Quantico, Cobb Island, Swan Point, Coltons Point, Nomini Bay, Mathias Point, U.S. 301 Nice Memorial Bridge, Wicomico River, Popes Creek, Brent Point, Westmoreland State Park, Fairview Beach, Colonial Beach, and Dahlgren.
What You Should Do
Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.
Expected Conditions
At 5:29 PM EDT, a severe thunderstorm was located 21 nm west of Quantico, moving east at 25 knots. Hazard includes wind gusts in excess of 48 knots. Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds.
Timeline
Alert effective immediately on June 12 at 5:29 PM EDT and expires June 12 at 7:30 PM EDT.
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 (1,244 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 9, 2026.
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