Guam, Northern Mariana Islands Minor Flood Advisory | Effective 10/01/2026 11:22

Headline: 
Flood Advisory issued October 2 at 4:22AM ChST until October 2 at 7:15AM ChST by NWS Tiyan GU
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
October 1, 2026 - 11:22am
Expires: 
October 1, 2026 - 2:15pm
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Guam... Rota... * WHEN...Until 715 AM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 421 AM ChST, Satellite estimates indicate heavy rain from thunderstorms in the advisory area. This will cause urban and small stream flooding. Between 0.5 and 2 inches of rain have fallen. - Some locations that will experience flooding include... Dededo, Tamuning, Yigo, Mangilao, Chalan Pago-Ordot, Barrigada, Yona, Hagatna Heights, Andersen AFB, Talofofo, Mongmong-Toto-Maite, Sinajana, Inarajan, Asan, Merizo, Piti, Santa Rita, Umatac, Sinapalo and Songsong. - http://www.weather.gov/safety/flood
Instruction: 
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Area Description: 
Guam, GU; Rota, MP
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov