NOAA NWS / CAPTURE HISTORY
Special Marine Warning issued October 10 at 12:52AM EDT until October 10 at 1:45AM EDT by NWS Jacksonville FL
Latest captured source record. This is an archive, not a current warning service.
Open the detailed event record ↗- First tracked
- 2026-10-10 04:59:51.328Z
- Last seen in a feed
- 2026-10-10 05:44:51.381Z
- Source classification
- Severe · Source alert
- Issuer / area
- NWS Jacksonville FL · Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM; Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM; Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM
- Certainty / urgency
- Likely / Immediate
- Message expiry (not hazard end)
- 2026-10-10T05:45:00.000Z
- Forecast onset / end
- 2026-10-10T04:52:00.000Z / 2026-10-10T05:45:00.000Z
Special Marine Warning · Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM; Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM; Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM. Severe; likely; urgency: immediate.
Archived official description
SMWJAX The National Weather Service in Jacksonville has issued a * Special Marine Warning for... Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM... Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM... Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM... Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM... * Until 145 AM EDT. * At 1252 AM EDT, severe thunderstorms capable of producing waterspouts were located 21 nm south of Tug Rio Caroni, or 26 nm southeast of St. Simons Island, moving north at 20 knots. HAZARD...Waterspouts and wind gusts 34 knots or greater. 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... Buoy Hlha, Atlantic Beach, High Point, Mayport, Nassau Sound Approach Buoy 6a, Buoy F, Buoy Cdh, Jekyll Island, St Simons Island Village, Jacksonville Beach, St. Simons Island, Saint Andrews Sound, Buoy Kby, Saint Johns Lighted Buoy, Saint Marys Entrance Buoy 16, St Simons Sound Buoy 9, Cumberland Island, Whittakers Snapper Hole Reef, and Palm Valley.
Instructions in this archived message
Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. 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.
How the record changed
Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.
newly tracked · Captured 2026-10-10 04:59:51.328Z
Special Marine Warning issued October 10 at 12:52AM EDT until October 10 at 1:45AM EDT by NWS Jacksonville FL
Special Marine Warning · Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM; Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM; Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM; Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM. Severe; likely; urgency: immediate.
Source issued/updated 2026-10-10T04:52:00.000Z · Source alert
Source for this capture ↗