Special Marine Warning for Fernandina Beach to St. Augustine Coastal Waters Until 1:30 PM EDT

Source: NOAA · Northeast Florida Coastal Waters

This alert is no longer in effect.

NOAA issued it on April 6, 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.

NWS Jacksonville has issued a Special Marine Warning for coastal waters from Fernandina Beach to St. Augustine until 1:30 PM EDT due to wind gusts of 34 knots or greater.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Northeast Florida Coastal Waters
Issued
April 6, 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 (SMWJAX) for the coastal waters of Northeast Florida. The alert was triggered by radar observations of hazardous weather conditions moving through the region.

Affected Areas

The warning affects the following marine zones:

  • Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM.
  • Waters from Fernandina Beach to St. Augustine FL from 20 to 60 NM.

Specific locations impacted include Tournament Reef, Casablanca Reef, Anna Reef, Navy Drydock, South Ponte Vedra Beach, and Guana River State Park.

Expected Conditions

At 12:32 PM EDT, showers were located along a line extending from 29 nm east of Amelia City to near Guana River State Park, moving east at 30 knots.

  • Hazard: Wind gusts of 34 knots or greater.
  • Source: Radar indicated.
  • Impact: Small craft could be damaged in briefly higher winds and suddenly higher waves.

What You Should Do

Mariners are advised to take immediate safety precautions:

  • 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.
  • Keep nonessential crew below decks.
  • Deploy jack lines and harnesses if available.
  • Check life-saving equipment, including batteries on handheld radios, for readiness.

Timeline

The warning is effective immediately as of 12:32 PM EDT, March 12, 2026, and is currently set to expire at 1:30 PM EDT.

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?
NWS Jacksonville has issued a Special Marine Warning for coastal waters from Fernandina Beach to St. Augustine until 1:30 PM EDT due to 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 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.