Flood Watch issued October 10 at 10:50AM ChST until October 11 at 6:00AM ChST by NWS Tiyan GU

Archived official description

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

Instructions in this archived message

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

How the record changed

Only changes captured by this journal are listed; this is not the authority’s complete history. Timestamps distinguish publication from our capture. Missing messages are never treated as cancellations.

1. newly tracked · Captured 2026-10-10 00:59:51.083Z

   Flood Watch issued October 10 at 10:50AM ChST until October 11 at 6:00AM ChST by NWS Tiyan GU

   Flood Watch · Guam. Severe; possible; urgency: future.

   Source issued/updated 2026-10-10T00:50:00.000Z · Source alert

   Source for this capture ↗