Special Marine Warning for Waters from Altamaha Sound GA to Fernandina Beach FL 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
SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM... * Until 1130 PM EDT. * At 1033 PM EDT, a strong thunderstorm was located 24 nm south of Tug Rio Caroni, or 31 nm south of R2 Tower, moving east at...
What the bulletin says to do
Move to safe harbor until hazardous weather passes. If your vessel is caught offshore, immediately secure for heavy weather. Ensure all crew members are wearing USCG approved Type I life jackets and nonessential crew are below decks. Deploy jack lines and harnesses if available. Check life saving equipment, including batteries on handheld radios, for readiness.
Full official description
Bulletin details
SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM... * Until 1130 PM EDT. * At 1033 PM EDT, a strong thunderstorm was located 24 nm south of Tug Rio Caroni, or 31 nm south of R2 Tower, moving east at 20 knots. HAZARD...Wind gusts 34 knots or greater. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * The strong thunderstorm will remain over mainly open waters.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued August 21 at 10:33PM EDT until August 21 at 11:30PM EDT by NWS Jacksonville FL
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Jacksonville FL. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected