Special Marine Warning Issued for Caribbean Waters of Puerto Rico
This alert is no longer in effect.
NOAA issued it on April 16, 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 the National Weather Service for the Caribbean Waters of Puerto Rico due to a strong thunderstorm with wind gusts of 34 knots or greater, effective until 5:00 AM AST on April 16, 2026.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Caribbean Waters of Puerto Rico
- Issued
- April 16, 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 Caribbean Waters of Puerto Rico.
Special Marine Warning for Caribbean Waters of Puerto Rico
Alert Details
The National Weather Service in San Juan, PR, has issued a Special Marine Warning. This alert is effective from 4:06 AM AST on April 16, 2026, until 5:00 AM AST on the same day.
Affected Areas
The warning applies to the Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix.
What You Should Do
Avoid the affected waters due to the potential for damaging winds and suddenly higher waves.
Expected Conditions
A strong thunderstorm is producing wind gusts of 34 knots or greater. The storm is located over mainly exposed Caribbean Waters and is moving northeast at 5 knots.
Timeline
The warning is effective from 4:06 AM AST to 5:00 AM AST on April 16, 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 (791 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to April 16, 2026.
Frequently Asked Questions
Common questions about this NWS weather alert.