Special Marine Warning
N
Issued by NWS Seattle WA
⏳ In force until Sat 31 Oct, 16:45 📍 Waters From James Island To Point Grenville 10 To 60 Nm; Coastal Waters From Point Grenville To Cape Shoalwater 10 To 6… (approximate) 🕑 2 h ago
The affected areas were... Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm... Waters From James Island To Point Grenville 10 To 60 Nm... The thunderstorm has weakened and no longer poses a significant threat to boaters.
🗃 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 areaWaters From James Island To Point Grenville 10 To 60 Nm; Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
Issuing authorityNWS Seattle WA
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-31T06:35:00-07:00
Effective2026-10-31T06:35:00-07:00
Onset2026-10-31T06:35:00-07:00
Expires2026-10-31T06:45:00-07:00
📋 Official instructions
No official instructions supplied with this report.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.4b7c0aba20ba733009f8dc541c46b0be2442f137.001.1
Message typeUpdate
Senderw-nws.webmaster@noaa.gov
ScopePublic
CAP statusActual
Related messagesurn:oid:2.49.0.1.840.0.9296fa8d364304900bfd0e89ef1846b71e525af8.001.1
ⓘ CAP fields populate when an official alert is linked.
🛡 Safety advice
General guidance for this type of incident - not official instructions.
- 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:
- The affected areas were...
- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm...
- Waters From James Island To Point Grenville 10 To 60 Nm...
- The thunderstorm has weakened and no longer poses a significant threat to boaters.
ⓘ News summary · read the original report for full context.
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