Tiyan, GU
Weather Forecast Office
New Graphical Drought Information Statement
Flash Flood Warning Issued: 09/19/2026 12:49:00 AM UTC
Flash Flood Watch Issued: 09/20/2026 07:35:00 PM UTC
Flood Potential Outlook Issued: 08/23/2026 09:14:00 PM UTC
Flash Flood Statement Issued: 09/19/2026 01:42:00 AM UTC
Flood Statement Issued: 09/19/2026 06:08:00 PM UTC
No active Hydrological Coordination Message for Guam
Click here for our Advanced Hydrologic Prediction Service (AHPS) for rivers, lakes & precipitation
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Tiyan, GU
3232 Hueneme Rd
Barrigada, GU 96913
(671) 472-0900
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