Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
856 FPMY50 PGUM 250500 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 300 PM ChST Tue Nov 25 2025 GUZ001-MPZ001>003-252000- Guam-Rota-Tinian-Saipan- 300 PM ChST Tue Nov 25 2025 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE WEDNESDAY NIGHT ALONG EAST FACING REEFS... .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with scattered showers. East winds 10 to 20 mph. Highs around 87. Lows around 78. Chance of showers 30 percent. .THANKSGIVING DAY...Partly sunny with scattered showers. East winds 15 to 20 mph. Highs around 87. Chance of showers 30 percent. .THURSDAY NIGHT AND FRIDAY...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Highs around 87. Chance of showers 20 percent. .FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. .SATURDAY...Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the upper 80s. .SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy with a 40 percent chance of showers and a slight chance of thunderstorms. Lows around 80. Highs in the mid 80s. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$