Special Marine Warning
N
Issued by NWS Baltimore MD/Washington DC
⏳ In force until Sat 17 Oct, 02:45 📍 Tidal Potomac from Key Bridge to Indian Head MD; 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... Tidal Potomac from Key Bridge to Indian Head MD... * Until 745 PM EDT. * At 544 PM EDT, strong thunderstorms were located along a line extending from 29 nm north of Tidal Basin to 26 nm northwest of Key Bridge to 33 nm northwest of Alexandria to…
📡 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 Key Bridge to Indian Head MD; Tidal Potomac from Indian Head to Cobb Island MD
Issuing authorityNWS Baltimore MD/Washington DC
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-16T17:45:00-04:00
Effective2026-10-16T17:45:00-04:00
Onset2026-10-16T17:45:00-04:00
Expires2026-10-16T19:45:00-04:00
📋 Official instructions
Move to safe harbor until hazardous weather passes.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.96b48f4190142bd12f00184dea951123f29a573b.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...
- Tidal Potomac from Key Bridge to Indian Head MD...
- * Until 745 PM EDT.
- * At 544 PM EDT, strong thunderstorms were located along a line extending from 29 nm north of Tidal Basin to 26 nm northwest of Key Bridge to 33 nm northwest of Alexandria to…
ⓘ News summary · read the original report for full context.
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