FPMY50 PGUM 041725 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 325 AM ChST Tue May 5 2026 GUZ001-MPZ001>003-050815- Guam-Rota-Tinian-Saipan- 325 AM ChST Tue May 5 2026 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THURSDAY AFTERNOON ALONG EAST FACING REEFS... .TODAY...Breezy. Partly cloudy with isolated showers. East winds 20 to 25 mph. Highs around 86. Chance of showers 20 percent. .TONIGHT...Mostly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 78. Chance of showers 20 percent. .WEDNESDAY...Breezy. Partly sunny with scattered showers and isolated thunderstorms. East winds 20 to 25 mph. Highs around 85. Chance of showers 40 percent. .WEDNESDAY NIGHT...Mostly cloudy with scattered showers. East winds 15 to 20 mph. Lows around 79. Chance of showers 30 percent. .THURSDAY...Breezy. Partly sunny with isolated showers. East winds 20 to 25 mph. Highs around 86. Chance of showers 20 percent. .THURSDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of showers. Lows in the upper 70s. .FRIDAY AND FRIDAY NIGHT...Breezy. Mostly cloudy. A 30 percent chance of showers. Highs in the mid 80s. Lows in the upper 70s. .SATURDAY AND SATURDAY NIGHT...Breezy. Partly cloudy with a 20 percent chance of showers. Highs in the mid 80s. Lows in the upper 70s. .SUNDAY THROUGH MONDAY...Mostly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows around 80. $$