Guam, Northern Mariana Islands Severe Flood Watch | Effective 10/15/2026 10:00

Headline: 
Flood Watch issued October 16 at 3:00AM ChST until October 18 at 4:00PM ChST by NWS Tiyan GU
Event: 
Flood Watch
Urgency: 
Future
Effective: 
October 15, 2026 - 10:00am
Expires: 
October 15, 2026 - 10:00pm
Description: 
* WHAT...Flooding caused by excessive rainfall is 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. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - Tropical Storm Champi is approaching the Marianas and will bring torrential rain Saturday night and Sunday at least. Total rainfall accumulations of 6 to 12 inches are possible, causing flooding problems in poor drainage areas. - 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