Special Marine Warning
N
Issued by NWS San Juan PR
⏳ In force until Fri 6 Nov, 23:30 📍 Caribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix (approximate) 🕑 50 min ago
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... * Until 430 PM AST. * At 405 PM AST, severe thunderstorms capable of producing waterspouts were located about 35 nautical miles south of Guayama, moving northeast at 15 knots. HAZARD...Waterspouts and wind gu…
🗃 Archived report - it is no longer on the live map. Pages are kept for 30 days.
📡 CAP alert details
Common Alerting Protocol
Official alert linked
▾
📡 CAP alert details
Common Alerting Protocol
⚠
SeveritySevere
⏱
UrgencyImmediate
❓
CertaintyLikely
EventSpecial Marine Warning
Response typeAvoid
CategoryMet
Affected areaCaribbean Waters of Puerto Rico from 10 NM to 17N, including the Coastal Waters of Saint Croix
Issuing authorityNWS San Juan PR
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-11-06T16:05:00-04:00
Effective2026-11-06T16:05:00-04:00
Onset2026-11-06T16:05:00-04:00
Expires2026-11-06T16:30:00-04:00
📋 Official instructions
Move to safe harbor until hazardous weather passes. Seek safe shelter, mariners can expect gusty winds and increasing waves. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.829f950f21e546aa8be4cb3a5e58bfc436133527.001.1
Message typeAlert
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesNot supplied
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- Move to safe harbor until hazardous weather passes. Seek safe shelter, mariners can expect gusty winds and increasing waves. Report severe weather to the Coast Guard or nearest law enforcement agency. They will relay your report to the National Weather Service office.
- Stay aware of your surroundings in this area.
- Follow official updates from the police and local authorities.
- In an emergency call 112 (police) or 112 (ambulance), or request help through Jilinde.
📰 Story summary
From the report shown in the feed:
- 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...
- * Until 430 PM AST.
- * At 405 PM AST, severe thunderstorms capable of producing waterspouts were located about 35 nautical miles south of Guayama, moving northeast at 15 knots.
- HAZARD...Waterspouts and wind gu…
ⓘ News summary · read the original report for full context.
📰 More news
- Flood WarningFlood WarningDeSoto, FL ·
- Severe Thunderstorm WarningSevere Thunderstorm WarningCochise, AZ ·
- Flood WarningFlood WarningMaricopa, AZ ·
- Flood WarningFlood WarningMaricopa, AZ ·
- Flood WarningFlood WarningMaricopa, AZ ·
- Flood WarningFlood WarningBristol, MA; Plymouth, MA; Bristol, RI; Newport, RI ·