


Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
516 FPMY50 PGUM 190501 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service TIYAN GU 301 PM ChST Sat Apr 19 2025 GUZ001-MPZ001>003-192100- Guam-Rota-Tinian-Saipan- 301 PM ChST Sat Apr 19 2025 .TONIGHT...Partly cloudy with isolated showers. Mostly cloudy with scattered showers for Tinian and Saipan. East winds 10 to 15 mph. Lows around 77. Chance of showers 10 percent for Guam and Rota and 30 percent for the Tinian and Saipan. .SUNDAY...Mostly sunny with isolated light showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 10 percent. .SUNDAY NIGHT...Partly cloudy with isolated light showers. East winds around 10 mph. Lows around 77. Chance of showers 10 percent. .MONDAY THROUGH TUESDAY...Partly cloudy with isolated showers. East winds around 10 mph. Highs around 87. Lows around 77. Chance of showers 20 percent. .TUESDAY NIGHT THROUGH SATURDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$