Special Marine Warning
N
Issued by NWS Baltimore MD/Washington DC
⏳ In force until Sat 17 Oct, 05:15 📍 Tidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA (approximate) 🕑 1 h ago
SMWLWX The National Weather Service in Sterling Virginia has issued a * Special Marine Warning for... Tidal Potomac from Cobb Island MD to Smith Point VA... Tidal Potomac from Indian Head to Cobb Island MD... * Until 1015 PM EDT. * At 911 PM EDT, strong thunderstorms were located along a line extending from near Quantico to 8 nm southwest of Potomac Creek to 24 nm southwest of Fairview Beach, mov…
🗃 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 areaTidal Potomac from Indian Head to Cobb Island MD; Tidal Potomac from Cobb Island MD to Smith Point VA
Issuing authorityNWS Baltimore MD/Washington DC
ContactNot supplied
🕓 Alert timing · EAT
Sent2026-10-16T21:11:00-04:00
Effective2026-10-16T21:11:00-04:00
Onset2026-10-16T21:11:00-04:00
Expires2026-10-16T22:15:00-04:00
📋 Official instructions
Move to safe harbor until hazardous weather passes.📄 Message details
Alert identifierurn:oid:2.49.0.1.840.0.19e25fa51c5077ad086dafc3a2840f02f743da3c.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 Cobb Island MD to Smith Point VA...
- Tidal Potomac from Indian Head to Cobb Island MD...
- * Until 1015 PM EDT.
- * At 911 PM EDT, strong thunderstorms were located along a line extending from near Quantico to 8 nm southwest of Potomac Creek to 24 nm southwest of Fairview Beach, mov…
ⓘ News summary · read the original report for full context.
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