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CAR API/CAP

Build on the alerts CAR collects, or connect a receiver to them.

The CAR API provides JSON endpoints for alerts and announcements.

https://alerts.globaleas.org/api/v2

The CAP feed publishes active alerts as an IPAWS-compatible Atom feed. Receivers can check the update URL to see when the feed last changed.

https://alerts.globaleas.org/IPAWSOPEN_EAS_SERVICE/rest/feed
https://alerts.globaleas.org/IPAWSOPEN_EAS_SERVICE/rest/update
Open API reference
SMW sent by ERN/CRTV
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; Chesapeake Bay north of Pooles Island,MD, Northwest Atlantic; at 1:57 PM on AUG 20, 2026 Effective until 3:57 PM. Message from WAHC/NAT.
Additional alert information
Originator FIPS Codes Start Time End Time Severity
WXR 073500, 073530 8/20/2026 7:57:00 PM (UTC)
2 months ago		 8/20/2026 9:57:00 PM (UTC)
2 months ago		 WARNING