Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
845 FPMY50 PGUM 071749 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 349 AM ChST Mon Dec 8 2025 GUZ001-MPZ001>003-080900- Guam-Rota-Tinian-Saipan- 349 AM ChST Mon Dec 8 2025 ...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG NORTH FACING REEFS... ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS AFTERNOON ALONG NORTH FACING REEFS... .TODAY...Partly sunny with isolated showers. East winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .TUESDAY THROUGH WEDNESDAY...Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs near 87. Lows around 78. Chance of showers 20 percent. .WEDNESDAY NIGHT THROUGH SUNDAY...Breezy. Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$