Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
728 FPMY50 PGUM 221557 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 157 AM ChST Sun Nov 23 2025 GUZ001-MPZ001>003-230800- Guam-Rota-Tinian-Saipan- 157 AM ChST Sun Nov 23 2025 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE MONDAY NIGHT ALONG EAST FACING REEFS... .TODAY...Breezy. Partly cloudy with isolated showers. East winds 15 to 25 mph. Highs around 87. Chance of showers 20 percent. .TONIGHT THROUGH TUESDAY...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Highs near 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. $$