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Ended official alertUpdated

Special Marine Warning for Chesapeake Bay from Drum Point MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island

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... Chesapeake Bay from Drum Point MD to Smith Point VA... Tangier Sound and the inland waters surrounding Bloodsworth Island... At 700 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 19 nm southwest of Slaughter Beach to near Bivalve to...

What the bulletin says to do

Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with these storms. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects.

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... At 700 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 19 nm southwest of Slaughter Beach to near Bivalve to near Mouth Of The Potomac River, moving southeast at 40 knots. HAZARD...Waterspouts and wind gusts in excess of 48 knots. SOURCE...Observed wind. IMPACT...Boaters could easily be thrown overboard by suddenly higher wind and waves capsizing their vessel. Boats could suffer significant damage in high winds. Waterspouts can easily overturn boats and create locally hazardous seas. Locations impacted include... Honga River, Hooper Island Light, Bivalve, Richland Point Buoy, and Nanticoke River Mouth.

Lifecycle record

Official revisions

4 captured
  1. Update

    Special Marine Warning issued August 10 at 7:00PM EDT until August 10 at 7:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  2. Update

    Special Marine Warning issued August 10 at 6:39PM EDT until August 10 at 7:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  3. Update

    Special Marine Warning issued August 10 at 5:49PM EDT until August 10 at 7:15PM EDT by NWS Baltimore MD/Washington DC

    Official revision
  4. Alert

    Special Marine Warning issued August 10 at 5:20PM EDT until August 10 at 7:15PM 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