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Ended official alertUpdated

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

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
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... Tidal Potomac from Key Bridge to Indian Head MD... At 1220 AM EDT, additional strong thunderstorms and a gust front were located along a line extending from Gunston Hall to Aquia...

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... Tidal Potomac from Key Bridge to Indian Head MD... At 1220 AM EDT, additional strong thunderstorms and a gust front were located along a line extending from Gunston Hall to Aquia 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... Potomac Creek, Breton Bay, Nanjemoy Creek, Quantico, Swan Point, Coltons Point, Gunston Hall, Occoquan Bay, Popes Creek, Saint Clements Bay, Maryland Point, Port Tobacco River, Colonial Beach, Leesylvania State Park, Cobb Island, Mathias Point, U.S. 301 Nice Memorial Bridge, Woodrow Wilson Bridge, Wicomico River, and Indian Head.

Lifecycle record

Official revisions

3 captured
  1. Update

    Special Marine Warning issued September 4 at 12:20AM EDT until September 4 at 1:00AM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Update

    Special Marine Warning issued September 3 at 11:39PM EDT until September 4 at 1:00AM EDT by NWS Baltimore MD/Washington DC

    Official revision
  3. Alert

    Special Marine Warning issued September 3 at 10:54PM EDT until September 4 at 1:00AM 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