


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
256 FPMY50 PGUM 120517 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 317 PM ChST Mon May 12 2025 GUZ001-MPZ001>003-122100- Guam-Rota-Tinian-Saipan- 317 PM ChST Mon May 12 2025 .TONIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Chance of showers 20 percent. .TUESDAY...Breezy. Partly cloudy with isolated light showers. East winds 20 to 25 mph. Highs around 87. Chance of showers 10 percent. .TUESDAY NIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Chance of showers 20 percent. .WEDNESDAY...Breezy. Mostly sunny with isolated light showers. East winds 20 to 25 mph. Highs around 87. Chance of showers 10 percent. .WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Highs around 87. Chance of showers 20 percent. .THURSDAY NIGHT THROUGH MONDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$