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Ended official alertUpdated

Special Marine Warning for Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix; Coastal Waters of Southern Puerto Rico out 10 NM; Mona Passage Southward to 17N +2 more

This alert has ended.Kept for recent context. Do not use it as a current warning.

Official alert fields

What you need to know

Effective
Ended
Official severity
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Official urgency
Immediate
Official certainty
Likely

What is happening

SMWSJU The National Weather Service in San Juan has issued a * Special Marine Warning for... Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix... Coastal Waters of Southern Puerto Rico out 10 NM... Mona Passage Southward to 17N... Coastal Waters of Northwestern Puerto...

What the bulletin says to do

Boaters should seek safe harbor immediately until these storms pass. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with these storms.

Full official description

Bulletin details

SMWSJU The National Weather Service in San Juan has issued a * Special Marine Warning for... Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix... Coastal Waters of Southern Puerto Rico out 10 NM... Mona Passage Southward to 17N... Coastal Waters of Northwestern Puerto Rico out 10 NM... Coastal Waters of Southwestern Puerto Rico out 10 NM... * Until 530 PM AST. * At 429 PM AST, Strong thunderstorms capable of producing waterspouts and gusts up to 50 knots were located across the Caribbean waters of Puerto Rico from 10 NM to 17N, moving northwest at 40 knots. Additional affected waters include the Mona Passage and western coastal waters of Puerto Rico. HAZARD...Waterspouts and wind gusts to nearly 50 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Mainly open waters of Caribbean waters of Puerto Rico from 10 NM to 17N, including the coastal waters of Saint Croix, Coastal Waters of Southern Puerto Rico out 10 NM, Mona Passage Southward to 17N, Coastal Waters of Northwestern Puerto Rico out 10 NM and Coastal Waters of Southwestern Puerto Rico out 10 NM.

Lifecycle record

Official revisions

1 captured
  1. Alert

    Special Marine Warning issued August 15 at 4:29PM AST until August 15 at 5:30PM AST by NWS San Juan PR

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS San Juan PR. This page reorganizes official fields and does not add a forecast or expand the affected area.

CAP status
Actual
Message type
Alert
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Methodology and corrections