Public Safety Alerts

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Public Safety Alerts

Northern Mariana Islands Extreme Typhoon Warning | Effective 10-15-2026 23:11

Typhoon Warning issued October 16 at 4:11PM ChST by NWS Tiyan GU

Event: Typhoon Warning

Desc: ...TROPICAL STORM CHAMPI MOVING RAPIDLY WEST ON APPROACH TO THE MARIANAS... ...CHAMPI LIKELY TO MOVE NEAR GUAM AND ROTA AS A TYPHOON... .NEW INFORMATION... A Typhoon Warning has been issued for Guam, Rota, and the adjacent waters. A Tropical Storm Warning has been issued for Tinian, Saipan, and the adjacent waters. .AREAS...

Areas: Rota Municipality MP

Severity: Extreme

Urgency: Immediate

Effective: Thursday, October 15, 2026 - 23:11

Expires: Friday, October 16, 2026 - 07:15

Sender: w-nws.webmaster@noaa.gov

Northern Mariana Islands Extreme Typhoon Warning | Effective 10/15/2026 23:11

Typhoon Warning issued October 16 at 4:11PM ChST by NWS Tiyan GU

Event: Typhoon Warning

Areas: Rota Municipality MP

Severity: Extreme

Urgency: Immediate

Effective: Thursday, October 15, 2026 - 23:11

Expires: Friday, October 16, 2026 - 07:15

Sender: w-nws.webmaster@noaa.gov

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

Guam, Northern Mariana Islands Severe Flood Watch | Effective 10/15/2026 21:31

Flood Watch issued October 16 at 2:31PM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU

Event: Flood Watch

Desc: * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Sunday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas....

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

Severity: Severe

Urgency: Future

Effective: Thursday, October 15, 2026 - 21:31

Expires: Friday, October 16, 2026 - 22:45

Sender: w-nws.webmaster@noaa.gov

Guam, Northern Mariana Islands Severe Typhoon Watch | Effective 10/15/2026 15:50

Typhoon Watch issued October 16 at 8:50AM ChST by NWS Tiyan GU

Event: Typhoon Watch

Desc: ...TROPICAL STORM CHAMPI CONTINUES WEST-NORTHWEST TOWARD THE MARIANAS... .NEW INFORMATION... None. .AREAS AFFECTED... This local statement provides important information and recommended actions for people in Guam and the Northern Marianas. .WATCHES/WARNINGS... A Typhoon Watch continues for Guam, Rota, Tinian, and Saipan in the...

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

Severity: Severe

Urgency: Future

Effective: Thursday, October 15, 2026 - 15:50

Expires: Friday, October 16, 2026 - 01:00

Sender: w-nws.webmaster@noaa.gov

Guam, Northern Mariana Islands Unknown Hydrologic Outlook | Effective 10/13/2026 00:31

Hydrologic Outlook issued October 13 at 5:31PM ChST by NWS Tiyan GU

Event: Hydrologic Outlook

Desc: ESFGUM This Hydrologic Outlook is for Guam, Rota, Tinian, and Saipan. Invest 96W is still a broad, disorganized disturbance located about 300 miles north of Kosrae. Ensemble model guidance continues to show a passage anywhere between south of Guam to north of Saipan as a tropical storm or typhoon. Uncertainty is still high...

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

Severity: Unknown

Urgency: Future

Effective: Tuesday, October 13, 2026 - 00:31

Expires: Friday, October 16, 2026 - 17:15

Sender: w-nws.webmaster@noaa.gov

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Public Safety Alerts