NWS Tiyan GUFA.A 0008October 16, 2026
Flood Watch: Guam, Rota, Tinian and 1 more, GU and MP
The National Weather Service office in Tiyan issued a flood watch for Guam, Rota, Tinian and 1 more in Guam, Northern Mariana Islands, in force until 4:00 p.m. local time on October 18. It was the 8th areal flood watch the NWS office in Tiyan issued in 2026.
Watch
Issued2:31 p.m. UTC+10, October 16, 2026
In force2:31 p.m. UTC+10, October 16, 2026
Expires4:00 p.m. UTC+10, October 18, 2026
In force for 2 days
The notice
- Issued by
- National Weather Service, Tiyan GU
- Area
- Guam, Rota, Tinian and 1 more
- State
- Guam
- Level
- Watch
- Issued
- 2:31 p.m. UTC+10, October 16, 2026
- Expires
- 4:00 p.m. UTC+10, October 18, 2026
- CAP severity, certainty, urgency
- Severe, Possible, Future
- VTEC event
- PGUM FA.A 0008
- Official source
- National Weather Service: the notice at its source
Every warning type in GuamFlood Watch: what it means, and the states that get the most
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
* WHAT...Flooding caused by excessive rainfall continues to be 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. Extensive street flooding and flooding of creeks and rivers are possible. * ADDITIONAL DETAILS... - Tropical Storm Champi is approaching the Marianas and will bring torrential rain Saturday night and Sunday at least. Total rainfall accumulations of 12 to 20 inches are possible for Guam, 10 to 18 inches for Rota and 8 to 12 inches for Tinian and Saipan. This could cause flooding problems in poor drainage and flood prone areas. - http://www.weather.gov/safety/flood
What the agency told people to do
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.