Special Marine Warning for Atlantic Waters of Puerto Rico and USVI
This alert is no longer in effect.
NOAA issued it on April 13, 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.
A Special Marine Warning has been issued by NWS San Juan PR for the Atlantic Waters of Puerto Rico and USVI, effective until 12:45 AM AST on April 13, 2026, due to strong thunderstorms with wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Atlantic Waters of Puerto Rico and USVI
- Issued
- April 13, 2026
- Issuing authority
- NWS San Juan PR
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 Atlantic Waters of Puerto Rico and USVI.
Alert Details
The National Weather Service in San Juan PR has issued a Special Marine Warning, effective from 11:38 PM AST on April 12, 2026.
Affected Areas
This warning affects the Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N.
What You Should Do
Move to safe harbor until hazardous weather passes.
Expected Conditions
A strong thunderstorm is located over mainly areas of the Atlantic waters, with wind gusts 34 knots or greater. The storm is moving east at 15 knots.
Timeline
The alert is effective from 11:38 PM AST on April 12, 2026, and ends at 12:45 AM AST on April 13, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (615 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 13, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.