Special Marine Warning
N
Issued by NWS Eureka CA
⏳ In force until Sat 14 Nov, 00:00 📍 Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm (approximate) 🕑 12 h ago
SMWEKA The National Weather Service in Eureka has issued a * Special Marine Warning for... Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm... * Until 100 PM PST. * At 1234 PM PST, a severe thunderstorm capable of producing waterspouts was located 10 NM west of Trinidad Head, moving northeast at 15 knots. HAZARD...Waterspouts and wind gusts to 40 knots. SOURCE...Radar indicated. …
🗃 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 areaCoastal waters from Pt. St. George to Cape Mendocino CA out 10 nm
Issuing authorityNWS Eureka CA
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-11-13T12:34:00-08:00
Effective2026-11-13T12:34:00-08:00
Onset2026-11-13T12:34:00-08:00
Expires2026-11-13T13:00:00-08:00
📋 Official instructions
Move to safe harbor until hazardous weather passes. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with this storm. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.14daac957ffc3b1df339845ead67002f581594ae.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. Boaters should seek safe harbor immediately until this storm passes. Wind gusts 34 knots or greater, high waves, dangerous lightning, and heavy rain are possible with this storm. Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
- 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:
- SMWEKA The National Weather Service in Eureka has issued a * Special Marine Warning for...
- Coastal waters from Pt.
- St.
- George to Cape Mendocino CA out 10 nm...
- * Until 100 PM PST.
- * At 1234 PM PST, a severe thunderstorm capable of producing waterspouts was located 10 NM west of Trinidad Head, moving northeast at 15 knots.
- HAZARD...Waterspouts and wind gusts to 40 knots.
- SOURCE...Radar indicated.
- …
ⓘ News summary · read the original report for full context.
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