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
Official alert fields
What you need to know
- Applies to
- Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix, Coastal Waters OF Northwestern Puerto Rico out 10 NM, Coastal Waters OF Southwestern Puerto Rico out 10 NM, Coastal Waters of Southern Puerto Rico out 10 NM, Mona Passage Southward to 17N
- Effective
- Ended
- Official severity
- Severe
- 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
- 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
- Last collected