Public Safety Alerts

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Public Safety Alerts

Northern Mariana Islands Moderate Wind Advisory | Effective 10/17/2026 19:19

Wind Advisory issued October 18 at 12:19PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU

Event: Wind Advisory

Desc: * WHAT...Southeast winds 25 to 35 mph with gusts up to 45 mph. * WHERE...Tinian and Saipan. * WHEN...Until 4 AM ChST Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...As Super Typhoon Champi (29W) continues moving away...

Areas: Tinian Municipality MP, Saipan Municipality MP

Severity: Moderate

Urgency: Expected

Effective: Saturday, October 17, 2026 - 19:19

Expires: Sunday, October 18, 2026 - 11:00

Sender: w-nws.webmaster@noaa.gov

Northern Mariana Islands Moderate Tropical Cyclone Local Statement | Effective 10/17/2026 19:02

Tropical Cyclone Local Statement issued October 18 at 12:02PM ChST until October 20 at 6:00PM ChST by NWS Tiyan GU

Event: Tropical Cyclone Local Statement

Desc: ...SUPER TYPHOON CHAMPI MOVING WEST-NORTHWEST AWAY FROM GUAM COASTAL WATERS... ...A TROPICAL STORM WARNING AND TYPHOON WATCH ARE NO LONGER IN EFFECT FOR TINIAN AND SAIPAN... .NEW INFORMATION... The Tropical Storm Warning and Typhoon Watch for Tinian and Saipan are cancelled. .AREAS AFFECTED... This local statement provides...

Areas: Tinian Municipality MP, Saipan Municipality MP

Severity: Moderate

Urgency: Expected

Effective: Saturday, October 17, 2026 - 19:02

Expires: Sunday, October 18, 2026 - 03:15

Sender: w-nws.webmaster@noaa.gov

Northern Mariana Islands Moderate Rip Current Statement | Effective 10/17/2026 19:00

Rip Current Statement issued October 18 at 12:00PM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU

Event: Rip Current Statement

Desc: * WHAT...For the High Surf Advisory, large breaking waves of 10 to 14 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...East and south facing reefs of Tinian and Saipan. * WHEN...Until 4 AM ChST Monday. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip...

Areas: Tinian Municipality MP, Saipan Municipality MP

Severity: Moderate

Urgency: Expected

Effective: Saturday, October 17, 2026 - 19:00

Expires: Sunday, October 18, 2026 - 09:00

Sender: w-nws.webmaster@noaa.gov

Guam, Northern Mariana Islands Moderate High Surf Warning | Effective 10/17/2026 14:55

High Surf Warning issued October 18 at 7:55AM ChST until October 19 at 4:00AM ChST by NWS Tiyan GU

Event: High Surf Warning

Desc: * WHAT...For the Coastal Flood Warning, significant coastal flooding expected for south and east facing shorelines. For the High Surf Warning, dangerously large breaking waves up to 30 feet for Guam, 20 to 25 feet for Rota, and 15 to 20 feet for Tinian and Saipan. * WHERE...South and east facing reefs of Guam, Rota, Tinian and...

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

Severity: Moderate

Urgency: Expected

Effective: Saturday, October 17, 2026 - 14:55

Expires: Sunday, October 18, 2026 - 06:00

Sender: w-nws.webmaster@noaa.gov

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Public Safety Alerts