Special Marine Warning for Chesapeake Bay from Drum Point MD to Smith Point VA; Tidal Potomac from Cobb Island MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island
Official alert fields
What you need to know
- Applies to
- 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
- Effective
- Ended
- Official severity
- Severe
- Official urgency
- Immediate
- Official certainty
- Likely
What is happening
For the following areas... 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... At 744 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Honga River, moving...
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. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Full official description
Bulletin details
For the following areas... 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... At 744 PM EDT, a severe thunderstorm capable of producing waterspouts was located near Honga River, moving east at 30 knots. HAZARD...Waterspouts and 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. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include... Hooper Island Light, Piney Point, Deep Hole, Mouth Of The Potomac River, Nanticoke River Mouth, Southwest Middle Grounds, Point Lookout, Tall Timbers, Saint George Island, Honga River, Fishing Bay, Point No Point, The Targets, Richland Point Buoy, Bivalve, and Deal Island.
Lifecycle record
Official revisions
- Update
Special Marine Warning issued August 20 at 7:44PM EDT until August 20 at 8:00PM EDT by NWS Baltimore MD/Washington DC
Official revision - Alert
Special Marine Warning issued August 20 at 7:01PM EDT until August 20 at 8:00PM 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