NWS Baltimore MD/Washington DCMA.W 0270September 4, 2026
Special Marine Warning: Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Indian Head to Cobb Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA and 1 more
The National Weather Service office in Baltimore MD/Washington issued a special marine warning for Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Indian Head to Cobb Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA and 1 more, which was in force until 2:45 a.m. local time on September 4. It was the 270th special marine warning the NWS office in Baltimore MD/Washington issued in 2026.
ExpiredWarning
In force for 1.1 hours; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Baltimore MD/Washington DC
- Area
- Chesapeake Bay from Drum Point MD to Smith Point VA, Tidal Potomac from Indian Head to Cobb Island MD, Tidal Potomac from Cobb Island MD to Smith Point VA and 1 more
- Level
- Warning
- Issued
- 1:42 a.m. EDT, September 4, 2026
- Expires
- 2:45 a.m. EDT, September 4, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Immediate
- VTEC event
- KLWX MA.W 0270
- Official source
- National Weather Service: the notice at its source
NWS notices, September 2026The latest from the National Weather Service
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Chesapeake Bay from Drum Point MD to Smith Point VA... Tangier Sound and the inland waters surrounding Bloodsworth Island... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... * Until 245 AM EDT. * At 141 AM EDT, a strong thunderstorm was located near Saint Inigoes Creek, moving southeast at 40 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly higher winds and waves capsizing their vessel. * Locations impacted include... Yeocomico River, Breton Bay, Saint Clements Bay, Smith Island, Piney Point, Deep Hole, Mouth Of The Potomac River, Southwest Middle Grounds, Ewell, Point Lookout, Tall Timbers, Tangier Sound, Coltons Point, Coles Point, Saint George Island, Wicomico River, Point No Point, The Targets, White Point Beach, and Cobb Island.
What the agency told people to do
Move to safe harbor until hazardous weather passes.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.