Special Marine Warning for Coastal Waters East of Puerto Rico
This alert is no longer in effect.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 coastal waters east of Puerto Rico and surrounding areas, effective immediately due to severe thunderstorms that could produce waterspouts and wind gusts up to 34 knots.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Coastal Waters of Puerto Rico and Virgin Islands
- 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 Coastal Waters of Puerto Rico and Virgin Islands.
Alert Details
A Special Marine Warning has been issued by the National Weather Service (NWS) San Juan PR. It is effective from 10:15 AM AST on April 13, 2026.
Affected Areas
The warning affects Coastal Waters east of Puerto Rico, around Vieques, and around and just north of Culebra and Saint John; as well as Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. If caught on the open water, stay below deck if possible, keep away from ungrounded metal objects, and seek safe harbor immediately due to potential waterspouts. Report severe weather to the Coast Guard or the National Weather Service.
Expected Conditions
Severe thunderstorms capable of producing waterspouts and wind gusts of 34 knots or greater are occurring. These storms are nearly stationary and based on radar observations.
Timeline
The alert is effective from 10:15 AM AST on April 13, 2026, and expires at 11:15 AM AST on the same day.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →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.
Similar body length
Nearest notices by article body length (1,064 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.