Severe · Flood WatchActive alert
Flood Watch issued October 3 at 6:47AM ChST until October 5 at
Affecting Guam; Rota; Tinian; Saipan
In effect until: Oct 3, 2026, 8:00 AM
Guam; Rota; Tinian; Saipan
Possible impact zone; conditions develop through 8:00 AM.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
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 nearly stationary and is expected to pivot north-northeast through the northern CNMI through the weekend near Pagan and Agrihan. To the south of Choi-wan, surging monsoon inflow will maintain wet conditions into early next week, resulting in 4 to 6 inches of rain for Guam and Rota, and 5 to 8 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™