Severe Severe Storm ● Closed

Special Marine Warning — Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix; Coastal Waters of Southern Puerto Rico out 10 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 30 at 1:31PM AST until August 30 at 2:30PM AST by NWS San Juan PR

Measurements

Coordinates17.6767, -66.8283
RegionCaribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix; Coastal Waters of Southern Puerto Rico out 10 NM
Nws UrgencyImmediate
Nws CertaintyLikely
Expires2026-08-30T14:30:00-04:00

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 50 days ago (Aug 30, 2026 18:28 UTC) · we last heard from US National Weather Service 20 seconds ago

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