Special Marine Warning Issued for Northeast Florida Coastal Waters
This alert is no longer in effect.
NOAA issued it on August 4, 2026, 2 weeks 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 has issued a Special Marine Warning for coastal waters from Altamaha Sound to St. Augustine FL out 20 NM until 3:45 PM EDT.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Northeast Florida Coastal Waters
- Issued
- August 4, 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 2 weeks ago; use the issuing agency's live warning service for current conditions in Northeast Florida Coastal Waters.
Alert Details
A Special Marine Warning has been issued by the National Weather Service Jacksonville FL. The alert is effective from August 4, 2026 at 2:41 PM EDT until August 4, 2026 at 3:45 PM EDT.
Affected Areas
Coastal waters from Altamaha Sound to Fernandina Beach FL out 20 NM and coastal waters from Fernandina Beach to St. Augustine FL out 20 NM. Locations impacted include Buoy Kby, Dungeness, Saint Marys Entrance Buoy 16, Cumberland Island, Amelia City, Buoy Cdh, and Whittakers Snapper Hole Reef.
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
A strong thunderstorm was located near Amelia City, or 34 nm south of St. Simons Island, moving northeast at 15 knots. Hazard includes wind gusts 34 knots or greater. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The warning is in effect from 2:41 PM EDT until 3:45 PM EDT on August 4, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Nationwide notices with similar length or severity timing 8
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 (1,288 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 4, 2026.
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