Severe · Special Marine WarningActive alert

Special Marine Warning issued October 4 at 9:45PM EDT until October 4

Affecting Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM

In effect until: Oct 5, 2026, 3:15 AM

Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM

Likely impact; effects through 3:15 AM.

Stay indoors, monitor local alerts, and follow instructions from local officials.

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SMWJAX

The National Weather Service in Jacksonville has issued a

* Special Marine Warning for...
Waters from Fernandina Beach to St. Augustine FL from 20 to 60
NM...

* Until 1115 PM EDT.

* At 944 PM EDT, a strong thunderstorm was located 35 nm east of
Guana River State Park, or 38 nm northeast of Saint Augustine,
moving east at 15 knots.

HAZARD...Wind gusts 34 knots or greater.

SOURCE...Radar.

IMPACT...Small craft could be damaged in briefly higher winds and
suddenly higher waves.

* Locations impacted include...
Navy Drydock, Tournament Reef, and Casablanca Reef.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Special Marine Warning issued October 4 at 9:45PM EDT until October 4

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