Special Marine Warning
N
Issued by NWS Seattle WA
⏳ In force until Sat 31 Oct, 18:30 📍 Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm (approximate) 🕑 3 h ago
SMWSEW The National Weather Service in Seattle has issued a * Special Marine Warning for... Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm... * Until 830 AM PDT. * At 757 AM PDT, a severe thunderstorm capable of producing waterspouts was located 35 nm southwest of Point Grenville, moving north at 10 knots. HAZARD...Waterspouts. SOURCE...Radar. IMPACT...Waterspouts can easily o…
🗃 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 Point Grenville To Cape Shoalwater 10 To 60 Nm
Issuing authorityNWS Seattle WA
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-31T07:57:00-07:00
Effective2026-10-31T07:57:00-07:00
Onset2026-10-31T07:57:00-07:00
Expires2026-10-31T08:30:00-07:00
📋 Official instructions
Report severe weather to the Coast Guard or the National Weather Service.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.14c8a5dc8dbd8eff023eec8403e6c297a060ba1e.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.
- Report severe weather to the Coast Guard or the National Weather Service.
- 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:
- SMWSEW The National Weather Service in Seattle has issued a * Special Marine Warning for...
- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm...
- * Until 830 AM PDT.
- * At 757 AM PDT, a severe thunderstorm capable of producing waterspouts was located 35 nm southwest of Point Grenville, moving north at 10 knots.
- HAZARD...Waterspouts.
- SOURCE...Radar.
- IMPACT...Waterspouts can easily o…
ⓘ News summary · read the original report for full context.
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