Guam, Northern Mariana Islands High Surf Warning | Effective 04/12/2026 17:58
Public safety alert, emergency alert, and weather alert<br />
Description:<br />
* WHAT...For the High Surf Warning, dangerously large breaking<br />
waves of 10 to 15 feet for Guam and 15 to 25 ft for Rota, Tinian<br />
and Saipan. For the Coastal Flood Watch, significant coastal<br />
flooding 1 to 3 ft for Guam, and 4 to 8 ft for Rota, Tinian, and<br />
Saipan are possible.
* WHERE...North, east and south facing reefs of the Marianas. For<br />
the Coastal Flood Watch, north, east, and south facing<br />
shorelines.