Special Marine Warning
N
Issued by NWS Baltimore MD/Washington DC
⏳ In force until Sat 17 Oct, 03:15 📍 Tidal Potomac from Indian Head to Cobb Island MD (approximate) 🕑 1 h ago
SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Indian Head to Cobb Island MD... * Until 815 PM EDT. * At 621 PM EDT, a gust front was located along a line extending from 17 nm west of Alexandria to 29 nm northwest of Quantico to 41 nm west of Aquia Creek, moving southeast at 20 knots. Behind this gust front are a line of st…
📡 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 areaTidal Potomac from Indian Head to Cobb Island MD
Issuing authorityNWS Baltimore MD/Washington DC
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-16T18:22:00-04:00
Effective2026-10-16T18:22:00-04:00
Onset2026-10-16T18:22:00-04:00
Expires2026-10-16T20:15:00-04:00
📋 Official instructions
Move to safe harbor until hazardous weather passes.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.91bd2ad41e5122671e9ae1a52ebfc0df4fdb26d6.001.1
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.
- 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:
- SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for...
- Tidal Potomac from Indian Head to Cobb Island MD...
- * Until 815 PM EDT.
- * At 621 PM EDT, a gust front was located along a line extending from 17 nm west of Alexandria to 29 nm northwest of Quantico to 41 nm west of Aquia Creek, moving southeast at 20 knots.
- Behind this gust front are a line of st…
ⓘ News summary · read the original report for full context.
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