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Ended 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

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

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... * Until 830 PM EDT. * At 658 PM EDT, a strong thunderstorm was located near Fairview Beach, moving east at...

What the bulletin says to do

A Tornado Watch remains in effect until 1000 PM EDT for southern Maryland...and the adjacent coastal waters. Move to safe harbor until hazardous weather passes. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

Full official description

Bulletin details

SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... * Until 830 PM EDT. * At 658 PM EDT, a strong thunderstorm was located near Fairview Beach, moving east at 25 knots. HAZARD...Wind gusts 34 knots or greater and small hail. 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, Piney Point, Tall Timbers, Cobb Island, Swan Point, Coltons Point, Coles Point, Saint George Island, Wicomico River, White Point Beach, Westmoreland State Park, and Colonial Beach.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued July 28 at 6:59PM EDT until July 28 at 8:30PM 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
Alert
Last collected
Methodology and corrections