Special Marine Warning for Waters Off St. Augustine to Flagler Beach Through 8:00 PM

Source: NOAA · Northeast Florida Coastal Waters

This alert is no longer in effect.

NOAA issued it on April 3, 2026, 4 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.

The National Weather Service has issued a Special Marine Warning for offshore waters between St. Augustine and Flagler Beach as a severe thunderstorm brings threats of high winds and large hail.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Northeast Florida Coastal Waters
Issued
April 3, 2026
Issuing authority
NWS Jacksonville

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 4 months ago; use the issuing agency's live warning service for current conditions in Northeast Florida Coastal Waters.

Alert Details

The National Weather Service in Jacksonville has issued a Special Marine Warning for offshore waters. This alert is in response to a severe thunderstorm detected by radar that is capable of producing hazardous marine conditions.

Affected Areas

The warning covers the waters from St. Augustine to Flagler Beach, FL, extending from 20 to 60 nautical miles offshore.

What You Should Do

Boaters in the affected area should seek safe harbor immediately until the storm passes. If your vessel is caught offshore, take the following precautions:

  • Immediately secure the vessel for heavy weather.
  • Ensure all crew members are wearing USCG approved Type I life jackets.
  • Move nonessential crew members below decks.
  • Deploy jack lines and harnesses if available.
  • Check life-saving equipment and handheld radio batteries for readiness.
  • Stay below deck if possible and keep away from ungrounded metal objects to avoid frequent lightning.

Expected Conditions

  • Wind: Gusts of 34 knots or greater.
  • Hail: Large hail capable of causing structural damage.
  • Other Hazards: High waves, dangerous lightning, and heavy rain.
  • Current Movement: As of 6:52 PM EDT, a severe thunderstorm was located 45 nm northeast of Ormond-By-the-Sea, moving northeast at 25 knots. The storm is expected to remain over mainly open waters.

Timeline

The Special Marine Warning is effective immediately and is scheduled to expire at 8:00 PM EDT on March 15.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Special Marine Warning for offshore waters between St. Augustine and Flagler Beach as a severe thunderstorm brings threats of high winds and large 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.