Severe · Flood WatchActive alert

Flood Watch issued October 18 at 4:12AM ChST until October 18 at

Affecting Guam; Rota

In effect until: Oct 18, 2026, 6:00 AM

Guam; Rota

Possible impact zone; conditions develop through 6:00 AM.

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)

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...Guam, Rota.

* WHEN...Through this afternoon.

* 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. Storm drains
and ditches may become clogged with debris. Extensive street
flooding and flooding of creeks and rivers are possible.

* ADDITIONAL DETAILS...
- Typhoon Champi (29W) will produce locally heavy rainfall late
tonight and Sunday, though expected rainfall has decreased
slightly as the larger rainbands remain mainly south and east of
the center of Champi. Rota could receive 3 to 5 inches, and Guam
might get 4 to 8 inches.
- http://www.weather.gov/safety/flood

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

Flood Watch issued October 18 at 4:12AM ChST until October 18 at

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