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Ended official alertUpdated

Special Marine Warning for Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Coastal waters from St. Augustine to Flagler Beach FL out 20 NM; Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM

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

SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... * Until 530...

What the bulletin says to do

Move to safe harbor immediately as gusty winds and high waves are expected. 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... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Coastal waters from St. Augustine to Flagler Beach FL out 20 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... * Until 530 PM EDT. * At 427 PM EDT, severe thunderstorms capable of producing waterspouts were located along a line extending from 11 nm east of Jacksonville Beach to near Guana River State Park, moving southeast at 15 knots. HAZARD...Waterspouts, wind gusts to 40 knots, and small hail. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Dorothy Louise Barge, Nine Mile Reef, Saint Augustine, Saint Augustine Beach, Crescent Beach, Butler Beach, Vilano Beach, Marineland, South Ponte Vedra Beach, Guana River State Park, Palm Valley, and Palm Coast.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued August 18 at 4:27PM EDT until August 18 at 5:30PM 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
Methodology and corrections