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Active official alertUpdated

Special Marine Warning for Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

For the following areas... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... At 942 PM EDT, strong thunderstorms were located along a line extending from near Port Tobacco River to Colonial Beach to 15 nm southwest of Westmoreland State Park, moving east at...

What the bulletin says to do

Move to safe harbor until hazardous weather passes.

Full official description

Bulletin details

For the following areas... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... At 942 PM EDT, strong thunderstorms were located along a line extending from near Port Tobacco River to Colonial Beach to 15 nm southwest of Westmoreland State Park, moving east 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... Breton Bay, Potomac Creek, Saint Clements Bay, Maryland Point, Nanjemoy Creek, Port Tobacco River, Cobb Island, Swan Point, Coltons Point, Mathias Point, U.S. 301 Nice Memorial Bridge, Wicomico River, White Point Beach, Popes Creek, Brent Point, Nomini Bay, Fairview Beach, Colonial Beach, and Dahlgren.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued October 16 at 9:42PM EDT until October 16 at 10:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Alert

    Special Marine Warning issued October 16 at 9:11PM EDT until October 16 at 10:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Baltimore MD/Washington DC. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Update
Last collected
Methodology and corrections