Special Marine Warning for Waters from Altamaha Sound GA to Fernandina Beach FL

Source: NOAA · Waters from Altamaha Sound GA to Fernandina Beach FL

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NWS Jacksonville has issued a Special Marine Warning for waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM until 11:30 PM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater.

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Record type
Special Marine Warning
Affected area
Waters from Altamaha Sound GA to Fernandina Beach FL
Issued
August 22, 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

A Special Marine Warning was issued by the National Weather Service in Jacksonville FL. The alert is effective from August 21 at 10:33 PM EDT until August 21 at 11:30 PM EDT.

Affected Areas

Waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM.

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 10:33 PM EDT, a strong thunderstorm was located 24 nm south of Tug Rio Caroni, or 31 nm south of R2 Tower, moving east at 20 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 10:33 PM EDT August 21 until 11:30 PM EDT August 21.

Original source: NOAA Official Notice ↗

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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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Jacksonville has issued a Special Marine Warning for waters from Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM until 11:30 PM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Waters from Altamaha Sound GA to Fernandina Beach FL. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.