Special Marine Warning for Mona Passage Southward to 17N (Sep 12, 2026)
If you are in immediate danger, call emergency services now.
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Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.
NWS San Juan has issued a Special Marine Warning for waterspouts and 34-knot winds in Mona Passage and nearby Puerto Rico coastal waters until 2:45 PM AST.
Read this weather record in 30 seconds
- Record type
- Special Marine Warning
- Affected area
- Puerto Rico coastal waters
- Issued
- September 12, 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 San Juan PR. The alert is effective from September 12 at 2:10 PM AST until September 12 at 2:45 PM AST.
Affected Areas
Mona Passage Southward to 17N; Coastal Waters of Northwestern Puerto Rico out 10 NM; Coastal Waters of Southwestern Puerto Rico out 10 NM. The storm was located just offshore northern Cabo Rojo and Mayaguez.
What You Should Do
Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately. Avoid wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain.
Expected Conditions
A severe thunderstorm capable of producing waterspouts is moving west at 5 knots. Hazards include waterspouts and wind gusts to 34 knots.
Timeline
The warning is in effect from 2:10 PM AST to 2:45 PM AST on September 12.
Original source: NOAA Official Notice ↗
Related Weather Alerts
All Weather Alerts →Elsewhere in the country: similar length or severity timing 8
Two cross-category peer sets, both computed from Areazine's own archive: notices with a similar body length, and notices near the same severity and agency date. These are drawn from other categories, not the same-feed Related list above.
Similar body length
Nearest notices by article body length (876 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to September 12, 2026.
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