


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
436 FPMY50 PGUM 181734 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 334 AM ChST Sat Apr 19 2025 GUZ001-MPZ001>003-190915- Guam-Rota-Tinian-Saipan- 334 AM ChST Sat Apr 19 2025 .TODAY...Partly sunny in the morning then becoming partly cloudy. Isolated showers. East winds 10 to 15 mph. Highs around 88. Chance of showers 20 percent. .TONIGHT THROUGH MONDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 77. Highs around 87. Chance of showers 20 percent. .MONDAY NIGHT THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$