FPMY50 PGUM 090903 CCA ZFPGUM Zone Forecast for Guam and the Northern Marianas...CORRECTED National Weather Service Tiyan GU 703 PM ChST Thu Jul 9 2026 GUZ001-MPZ001>003-092045- Guam-Rota-Tinian-Saipan- 703 PM ChST Thu Jul 9 2026 Corrected headline. ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 4 PM CHST FRIDAY ALONG NORTH, SOUTH, AND WEST FACING REEFS... ...HIGH RISK OF RIP CURRENTS THROUGH FRIDAY AFTERNOON ALONG NORTH, SOUTH, AND WEST FACING REEFS... ... ...SHOWERS, THUNDERSTORMS, AND GUSTY WINDS INCREASE LATE THIS WEEKEND THROUGH EARLY NEXT WEEK... .TONIGHT...Partly cloudy with isolated showers. Northeast winds around 10 mph in the evening becoming light. Lows around 78. Chance of showers 20 percent. .FRIDAY...Partly cloudy with isolated showers. Northeast winds 10 to 15 mph. Highs around 87. Chance of showers 20 percent. .FRIDAY NIGHT...Partly cloudy with isolated showers. Northeast winds 10 to 15 mph. Lows around 78. Chance of showers 20 percent. .SATURDAY AND SATURDAY NIGHT...Mostly cloudy. Scattered showers and isolated thunderstorms. East winds 10 to 15 mph. Highs around 87. Lows around 77. Chance of showers 40 percent. .SUNDAY AND SUNDAY NIGHT...Mostly cloudy with scattered showers and isolated thunderstorms. Locally heavy showers possible. Southeast winds 10 to 15 mph with gusts to 25 mph near heavier showers. Highs around 87. Lows around 77. Chance of showers 50 percent. .MONDAY THROUGH WEDNESDAY NIGHT...Breezy. Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. Locally heavy showers possible. Highs in the mid to upper 80s. Lows in the upper 70s. .THURSDAY...Partly sunny with a 30 percent chance of showers. Highs in the upper 80s. $$