Public Safety Alerts

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Public Safety Alerts

Guam, Northern Mariana Islands Moderate Coastal Flood Watch | Effective 10/15/2026 22:12

Coastal Flood Watch issued October 16 at 3:12PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU

Event: Coastal Flood Watch

Desc: * WHAT...For the High Surf Warning, dangerously large breaking waves of 7 to 9 feet Saturday afternoon, building to as high as 26 feet for Guam, 20 feet for Rota and 19 feet for Tinian and Saipan. For the Coastal Flood Watch, significant coastal flooding possible. * WHERE...For the High Surf Warning, initially east facing reefs...

Areas: Rota Municipality MP, Tinian Municipality MP, Saipan Municipality MP

Severity: Moderate

Urgency: Future

Effective: Thursday, October 15, 2026 - 22:12

Expires: Friday, October 16, 2026 - 06:00

Sender: w-nws.webmaster@noaa.gov

Guam, Northern Mariana Islands Moderate High Surf Warning | Effective 10/15/2026 22:12

High Surf Warning issued October 16 at 3:12PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU

Event: High Surf Warning

Areas: Rota Municipality MP, Tinian Municipality MP, Saipan Municipality MP

Severity: Moderate

Urgency: Expected

Effective: Thursday, October 15, 2026 - 22:12

Expires: Friday, October 16, 2026 - 06:00

Sender: w-nws.webmaster@noaa.gov

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Public Safety Alerts