Severe Severe Storm ● Closed

Special Marine Warning — Coastal waters from Fernandina Beach to St. Augustine FL out 20 NM

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Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Special Marine Warning issued August 13 at 9:51PM EDT until August 13 at 10:30PM EDT by NWS Jacksonville FL

Measurements

Coordinates30.1250, -81.2540
RegionCoastal waters from Fernandina Beach to St. Augustine FL out 20 NM
Expires2026-08-13T22:30:00-04:00
Nws UrgencyImmediate
Nws CertaintyLikely

Official source

Weather alert data courtesy of NOAA / National Weather Service

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Severity as published by US National Weather Service.

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Source updated 66 days ago (Aug 14, 2026 02:24 UTC) · we last heard from US National Weather Service 15 seconds ago

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