SMW sent by KNA/DAS
expired 2 months ago
The National Weather Service has issued A SPECIAL MARINE WARNING for the following counties or areas: Synopsis for North Chesapeake Bay and the Tidal Potomac, Northwest Atlantic; at 6:09 PM on AUG 20, 2026 Effective until 8:09 PM. Message from ALPINE. 
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073500 8/20/2026 10:09:00 PM (UTC)
2 months ago
8/21/2026 12:09:00 AM (UTC)
2 months ago
WARNING