SMW sent by KNA/DAS
expired 3 months ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Tidal Potomac from Indian Head to Cobb Island,MD, Northwest Atlantic; at 9:13 PM on JUL 22, 2026 Effective until 11:13 PM. Message from ALPINE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073536 7/23/2026 1:13:00 AM (UTC)
3 months ago
7/23/2026 3:13:00 AM (UTC)
3 months ago
WARNING