< Flood Watch Guam, Northern Mariana Islands | Effective 03/07/2026 21:23

Flood Watch Guam, Northern Mariana Islands | Effective 03/07/2026 21:23

Headline: 
Flood Watch issued March 8 at 3:23PM ChST until March 9 at 4:00PM ChST by NWS Tiyan GU
Event: 
Flood Watch
Urgency: 
Future
Effective: 
March 7, 2026 - 9:23pm
Expires: 
March 8, 2026 - 6:30am
Description: 
* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Guam, Rota, Saipan and Tinian. * WHEN...Through Monday 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. * ADDITIONAL DETAILS... - A broad disorganized tropical disturbance is interacting with a shear line, and will continue to impact the Marianas through Monday afternoon. Showers with locally heavy rainfall remain possible during this time frame. An additional 4 to 6 inches of rain is possible across the Marianas with locally higher amounts possible as this system evolves. - http://www.weather.gov/safety/flood
Instruction: 
Continue to monitor forecasts and be prepared to take action should Flash Flood Warnings be issued.
Area Description: 
Guam; Rota; Tinian; Saipan
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov