Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
313 FPMY50 PGUM 220536 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 336 PM ChST Sat Nov 22 2025 GUZ001-MPZ001>003-222115- Guam-Rota-Tinian-Saipan- 336 PM ChST Sat Nov 22 2025 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE MONDAY NIGHT ALONG EAST FACING REEFS... .TONIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Chance of showers 20 percent. .SUNDAY...Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs around 87. Chance of showers 20 percent. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Highs around 88. Chance of showers 20 percent. .TUESDAY NIGHT THROUGH THANKSGIVING DAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. .SATURDAY...Partly sunny with a 30 percent chance of showers. Highs in the upper 80s. $$