Special Marine Warning for Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N; Coastal Waters of Northern Puerto Rico out 10 NM
Official alert fields
What you need to know
- Applies to
- Atlantic Waters of Puerto Rico AND USVI from 10 NM to 19.5N, Coastal Waters of Northern Puerto Rico out 10 NM
- 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... Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N... Coastal Waters of Northern Puerto Rico out 10 NM... * Until 400 PM AST. * At 301 PM AST, A severe thunderstorm capable of producing waterspouts is now reaching...
What the bulletin says to do
Move to safe harbor until hazardous weather passes. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Full official description
Bulletin details
SMWSJU The National Weather Service in San Juan has issued a * Special Marine Warning for... Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N... Coastal Waters of Northern Puerto Rico out 10 NM... * Until 400 PM AST. * At 301 PM AST, A severe thunderstorm capable of producing waterspouts is now reaching the Atlantic Waters of Puerto Rico from 10 NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM zones, moving north-northeast at 25 knots. HAZARD...Waterspouts. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. * Locations impacted include... Mainly open waters of Atlantic Waters of Puerto Rico and USVI from 10 NM to 19.5N and Coastal Waters of Northern Puerto Rico out 10 NM.
Lifecycle record
Official revisions
- Alert
Special Marine Warning issued October 20 at 3:01PM AST until October 20 at 4:00PM 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