Special Marine Warning Issued for Caribbean Waters of Puerto Rico
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NWS San Juan has issued a Special Marine Warning for Caribbean waters of Puerto Rico and coastal waters of Saint Croix until 2:30 PM AST due to waterspouts and wind gusts of 34 knots or greater.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Caribbean Waters of Puerto Rico
- Issued
- August 30, 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: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
A Special Marine Warning has been issued by the National Weather Service in San Juan PR. The alert is effective from August 30, 2026 at 1:31 PM AST until August 30, 2026 at 2:30 PM AST.
Affected Areas
The warning covers Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix, and Coastal Waters of Southern Puerto Rico out 10 NM.
What You Should Do
Move to safe harbor immediately as gusty winds and high waves are expected. Thunderstorms can produce sudden waterspouts that can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately. Frequent lightning is occurring with this storm. If caught on the open water stay below deck if possible, keep away from ungrounded metal objects. Report severe weather to the Coast Guard or the National Weather Service.
Expected Conditions
At 1:31 PM AST, strong thunderstorms were located over the Caribbean waters around 10 nm from south-central PR, moving west at 15 knots. Hazards include waterspouts and wind gusts 34 knots or greater. Small craft could be damaged in briefly higher winds and suddenly higher waves.
Timeline
The alert is in effect from 1:31 PM AST to 2:30 PM AST on August 30, 2026.
Original source: NOAA Official Notice ↗
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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 (1,244 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to August 30, 2026.
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