Special Marine Warning for Coastal Waters from Fernandina Beach to St. Augustine FL
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NWS Jacksonville has issued a Special Marine Warning for coastal waters from Fernandina Beach to St. Augustine FL out 20 NM until 5:00 PM EDT due to a strong thunderstorm with 40-knot wind gusts.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Northeast Florida Coastal Waters
- Issued
- August 14, 2026
- Issuing authority
- NWS Jacksonville FL
Marine notices apply to named waters or shoreline zones. They may not describe conditions on land, even when the nearest place name is the same.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Special Marine Warning issued by NWS Jacksonville FL. Effective from August 14, 2026 at 3:34 PM EDT until August 14, 2026 at 5:00 PM EDT.
Affected Areas
Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM. Locations impacted include Jacksonville Beach, Atlantic Beach, and Palm Valley.
What You Should 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.
Expected Conditions
At 3:33 PM EDT, a strong thunderstorm was located near Atlantic Beach, or 28 nm north of Saint Augustine, moving southeast at 5 knots. Hazard includes wind gusts to 40 knots. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective August 14, 2026 at 3:34 PM EDT and expires August 14, 2026 at 5:00 PM EDT.
Original source: NOAA Official Notice ↗
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