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Active official alertUpdated

Special Marine Warning for Coastal waters from South Santee River to Edisto Beach SC out 20 NM; Waters from South Santee River SC to Edisto Beach SC extending from 20 to 60 NM

Official alert fields

What you need to know

Effective
Ends or expires
Official severity
Severe
Official urgency
Immediate
Official certainty
Likely

What is happening

For the following areas... Waters from South Santee River to Edisto Beach out 60 NM... At 344 AM EDT, strong thunderstorms were located along a line from 19 NM northeast of Bulls Bay to 15 NM south of Cape Romain Reef, moving northeast at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated....

What the bulletin says to do

Boaters should seek safe harbor immediately until these storms pass. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with these storms.

Full official description

Bulletin details

For the following areas... Waters from South Santee River to Edisto Beach out 60 NM... At 344 AM EDT, strong thunderstorms were located along a line from 19 NM northeast of Bulls Bay to 15 NM south of Cape Romain Reef, moving northeast at 20 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar indicated. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. Locations impacted include... Hector Reef and Cape Romain Reef.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

3 captured
  1. Update

    Special Marine Warning issued August 3 at 3:44AM EDT until August 3 at 4:15AM EDT by NWS Charleston SC

    Official revision
  2. Update

    Special Marine Warning issued August 3 at 3:12AM EDT until August 3 at 4:15AM EDT by NWS Charleston SC

    Official revision
  3. Alert

    Special Marine Warning issued August 3 at 2:41AM EDT until August 3 at 4:15AM EDT by NWS Charleston SC

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS Charleston SC. 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