< Flood Watch Guam, Northern Mariana Islands | Effective 03/06/2026 21:04

Flood Watch Guam, Northern Mariana Islands | Effective 03/06/2026 21:04

Headline: 
Flood Watch issued March 7 at 3:04PM ChST until March 9 at 4:00PM ChST by NWS Tiyan GU
Event: 
Flood Watch
Urgency: 
Future
Effective: 
March 6, 2026 - 9:04pm
Expires: 
March 7, 2026 - 5:15am
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 tropical disturbance is interacting with a shear line, and will continue to impact the Marianas tonight, Sunday, and into Monday. Several rounds of locally heavy rainfall will be possible during this time frame. This could lead to 4 to 8 inches of rain across the Marianas with locally higher amounts possible. - http://www.weather.gov/safety/flood
Instruction: 
You should monitor later 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