Severe · Flood WatchActive alert

Flood Watch issued October 16 at 3:00AM ChST until October 18 at

Affecting Guam; Rota; Tinian; Saipan

In effect until: Oct 16, 2026, 5:00 AM

Guam; Rota; Tinian; Saipan

Possible impact zone; conditions develop through 5:00 AM.

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

See it on the live map View official source

Read the original bulletin (official text)

* WHAT...Flooding caused by excessive rainfall is possible.

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

* WHEN...Through Sunday 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.

* ADDITIONAL DETAILS...
- Tropical Storm Champi is approaching the Marianas and will bring
torrential rain Saturday night and Sunday at least. Total
rainfall accumulations of 6 to 12 inches are possible, causing
flooding problems in poor drainage areas.
- http://www.weather.gov/safety/flood

Free. In your language.

Get the next alert for your area before it matters.

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

Flood Watch issued October 16 at 3:00AM ChST until October 18 at

Get the next alert for your area before it matters.

Get alerts in your language