Guam Minor Flood Advisory | Effective 07/23/2026 19:16

Headline: 
Flood Advisory issued July 24 at 12:16PM ChST until July 24 at 2:15PM ChST by NWS Tiyan GU
Event: 
Flood Advisory
Urgency: 
Expected
Effective: 
July 23, 2026 - 7:16pm
Expires: 
July 23, 2026 - 9:15pm
Description: 
Island-induced showers have begun developing and trailing the western shores of Guam, with some cells now training in the Umatak area just over route 2. These showers may develop over other areas along western portions of Guam later this afternoon. * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Humatak area, Guam... * WHEN...Until 215 PM ChST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 1212 PM ChST, Doppler radar indicated heavy showers. This is causing urban and small stream flooding. - Nimitz Beach Park area is the most likely place to experience minor flooding. - Some locations that will experience flooding include... Mainly Humatak. - 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