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Ended official alertUpdated

Special Marine Warning for Tidal Potomac from Indian Head to Cobb Island MD

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 Indian Head to Cobb Island MD... At 1020 PM EDT, a strong thunderstorm was located over Mathias Point, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar indicated. IMPACT...Boaters in small craft could be thrown overboard by suddenly...

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 Indian Head to Cobb Island MD... At 1020 PM EDT, a strong thunderstorm was located over Mathias Point, moving east at 20 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... Swan Point, Mathias Point, U.S. 301 Nice Memorial Bridge, Maryland Point, Nanjemoy Creek, Port Tobacco River, Popes Creek, Westmoreland State Park, Fairview Beach, and Cobb Island.

Lifecycle record

Official revisions

2 captured
  1. Update

    Special Marine Warning issued July 22 at 10:20PM EDT until July 22 at 10:45PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Alert

    Special Marine Warning issued July 22 at 9:12PM EDT until July 22 at 10:45PM 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