Severe · Flood WatchActive alert

Flood Watch issued October 10 at 10:50AM ChST until October 11 at

Affecting Guam

In effect until: Oct 10, 2026, 8:00 PM

Guam

Possible impact zone; conditions develop through 8:00 PM.

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

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Read the original bulletin (official text)

Flash Flooding is already ongoing across Southern Guam. Please
exercise caution when traveling. If a road way is flooded, remember
"Turn Around, Don't Drown!".

* WHAT...Flash flooding caused by excessive rainfall is possible.

* WHERE...Guam.

* WHEN...Through late tonight.

* 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.

* ADDITIONAL DETAILS...
- Heavy rainfall of 2 to 4 inches have already fallen across Guam
today. Invest 95W continues to linger just off the east coast of
Guam and is producing heavy rainfall over the island. Additional
heavy rainfall will likely lead to flash flooding due to the
saturated conditions.
- http://www.weather.gov/safety/flood

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued October 10 at 10:50AM ChST until October 11 at

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