Special Marine Warning for Coastal Waters off FL and GA
This alert is no longer in effect.
NOAA issued it on August 12, 2026, 11 days ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS Jacksonville FL issued a Special Marine Warning for multiple coastal and offshore zones until 2:15 PM EDT due to strong thunderstorms producing wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal waters off Northeast Florida and Southeast Georgia
- Issued
- August 12, 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: historical. It was issued 11 days ago; use the issuing agency's live warning service for current conditions in Coastal waters off Northeast Florida and Southeast Georgia.
Alert Details
Special Marine Warning issued by NWS Jacksonville FL. Effective from August 12, 2026 at 1:16 PM EDT until August 12, 2026 at 2:15 PM EDT. Severity: Severe. Urgency: Immediate. Certainty: Likely.
Affected Areas
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.
What You Should 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.
Expected Conditions
At 1:16 PM EDT, strong thunderstorms were located along a line extending from Amelia City to near Guana River State Park, moving east at 20 knots. Hazard: Wind gusts 34 knots or greater. Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
Alert effective August 12, 2026 at 1:16 PM EDT and expires August 12, 2026 at 2:15 PM EDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,319 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 12, 2026.
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