Guam, Northern Mariana Islands Minor Flood Advisory | Effective 10/01/2026 13:48

Headline: 
Flood Advisory issued October 2 at 6:48AM ChST until October 2 at 9:15AM ChST by NWS Tiyan GU
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
October 1, 2026 - 1:48pm
Expires: 
October 1, 2026 - 4:15pm
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall continues. * WHERE...Guam... Rota... * WHEN...Until 915 AM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. Overflowing poor drainage areas. * ADDITIONAL DETAILS... - At 648 AM ChST, satellite estimates indicate heavy rain in the advisory area. This will cause urban and small stream flooding. Between 1.5 and 3.2 inches of rain have fallen. - Additional rainfall amounts of 0.8 to 1.6 inches are expected over the area. This additional rain will result in minor flooding. - 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