Special Marine Warning Issued for Coastal Waters Near Fernandina Beach to St. Augustine

Source: NOAA · Northeast Florida coastal waters

This alert is no longer in effect.

NOAA issued it on May 19, 2026, 3 months 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 Fernandina Beach to St. Augustine FL until 6:00 PM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater and small hail.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Northeast Florida coastal waters
Issued
May 19, 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 3 months 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 in Jacksonville FL. The alert is effective from May 11, 2026 at 5:26 PM EDT until May 11, 2026 at 6:00 PM EDT.

Affected Areas

Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM and waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM. Locations impacted include Casablanca Reef, Palm Valley, and Jacksonville Beach.

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 5:26 PM EDT, a strong thunderstorm was located 7 nm east of Palm Valley, or 17 nm north of Saint Augustine, moving northeast at 15 knots. Hazards include wind gusts 34 knots or greater and small hail.

Timeline

The warning is in effect until 6:00 PM EDT on May 11, 2026.

Original source: NOAA Official Notice ↗

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.

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 coastal waters from Fernandina Beach to St. Augustine FL until 6:00 PM EDT due to a strong thunderstorm producing wind gusts of 34 knots or greater and small hail.
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 Northeast Florida coastal waters. 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.