Guam Minor Flood Advisory | Effective 08/30/2026 18:44

Headline: 
Flood Advisory issued August 31 at 11:44AM ChST until August 31 at 2:00PM ChST by NWS Tiyan GU
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
August 30, 2026 - 6:44pm
Expires: 
August 30, 2026 - 9:00pm
Description: 
* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Guam... * WHEN...Until 200 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1141 AM ChST, Doppler radar indicated heavy rain and potential thunderstorms over the eastern portion of northern Guam and central southern Guam. This is expected to cause urban and small stream flooding. - Additional rainfall amounts of 2 to 4 inches are expected over the area. This additional rain could result in minor flooding. - Most of the island. - 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
Forcast Office: 
NWS Tiyan GU
Sender: 
w-nws.webmaster@noaa.gov