Severe · Flood WatchActive alert

Flood Watch issued October 3 at 5:30PM ChST until October 5 at

Affecting Guam; Rota; Tinian; Saipan

In effect until: Oct 3, 2026, 8:15 PM

Guam; Rota; Tinian; Saipan

Possible impact zone; conditions develop through 8:15 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)

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Guam, Rota, Saipan and Tinian.

* WHEN...Through late Sunday night.

* 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...
- Typhoon Choi-wan (26W) is steadily moving northeast and away from
the Marianas. To the south of Choi-wan, surging monsoon inflow
will maintain wet conditions through Sunday, resulting in 3 to 5
inches of rain for Guam and Rota, and 4 to 6 inches for Tinian
and Saipan during the Watch period.
- http://www.weather.gov/safety/flood

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

Flood Watch issued October 3 at 5:30PM ChST until October 5 at

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