Special Marine Warning for Atlantic Waters off Puerto Rico and USVI

Source: NOAA · Atlantic Waters of Puerto Rico and USVI; Coastal Waters of Northern Puerto Rico

This alert is no longer in effect.

NOAA issued it on April 15, 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 for Atlantic Waters of Puerto Rico and USVI, with risks of waterspouts and wind gusts up to 40 knots until 7:15 PM AST on April 15, 2026.

Read this weather record in 30 seconds

Record type
Special Marine Warning
Affected area
Atlantic Waters of Puerto Rico and USVI; Coastal Waters of Northern Puerto Rico
Issued
April 15, 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; Coastal Waters of Northern Puerto Rico.

Alert Details

A Special Marine Warning has been issued by NWS San Juan PR. This alert is effective from 6:15 PM AST on April 15, 2026, until 7:15 PM AST on the same day.

Affected Areas

The warning covers Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N, as well as Coastal Waters of Northern Puerto Rico out 10 NM.

What You Should Do

Move to safe harbor immediately due to gusty winds and high waves. If caught on the open water, stay below deck if possible and keep away from ungrounded metal objects due to frequent lightning.

Expected Conditions

Hazards include waterspouts, wind gusts to 40 knots, and small hail.

Timeline

The alert is effective from 6:15 PM AST on April 15, 2026, and ends at 7:15 PM AST on April 15, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

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.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Special Marine Warning has been issued for Atlantic Waters of Puerto Rico and USVI, with risks of waterspouts and wind gusts up to 40 knots until 7:15 PM AST on April 15, 2026.
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 Atlantic Waters of Puerto Rico and USVI; Coastal Waters of Northern Puerto Rico. 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.