Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
830 FPMY50 PGUM 211721 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 321 AM ChST Sat Nov 22 2025 GUZ001-MPZ001>003-220800- Guam-Rota-Tinian-Saipan- 321 AM ChST Sat Nov 22 2025 ...HIGH RIP CURRENT RISK REMAINS ALONG EAST FACING REEFS THROUGH LATE MONDAY NIGHT... ...HIGH SURF ADVISORY IS NO LONGER IN EFFECT ALONG NORTH FACING REEFS... .TODAY...Breezy. Partly sunny with scattered showers. East winds 20 to 25 mph. Highs near 86. Chance of showers 30 percent. .TONIGHT...Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Lows around 79. Chance of showers 20 percent. .SUNDAY...Breezy. Partly cloudy with isolated showers. East winds 20 to 25 mph. Highs near 87. Chance of showers 20 percent. .SUNDAY NIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Chance of showers 20 percent. .MONDAY...Breezy. Partly cloudy with isolated showers. East winds 20 to 25 mph. Highs near 88. Chance of showers 20 percent. .MONDAY NIGHT THROUGH WEDNESDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. .WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. .THANKSGIVING DAY...Partly sunny with a 20 percent chance of showers. Highs in the upper 80s. .THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 70s. .FRIDAY...Partly sunny with a 30 percent chance of showers and a slight chance of thunderstorms. Highs in the upper 80s. $$