Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
135 FPMY50 PGUM 030523 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 323 PM ChST Sat Oct 3 2026 GUZ001-MPZ001-032000- Guam-Rota- 323 PM ChST Sat Oct 3 2026 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST MONDAY ALONG NORTH, WEST AND SOUTH FACING REEFS... ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST SUNDAY... ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... ...HIGH RISK OF RIP CURRENTS THROUGH LATE SUNDAY NIGHT ALONG NORTH, WEST AND SOUTH FACING REEFS... .TONIGHT...Very windy. Southwest winds 25 to 35 mph. Mostly cloudy with scattered showers and isolated thunderstorms. Lows around 78. Chance of showers 40 percent. .SUNDAY...Windy. Partly sunny with scattered showers. Southwest winds 25 to 30 mph. Highs near 87. Chance of showers 30 percent. .SUNDAY NIGHT AND MONDAY...Breezy. Mostly cloudy with scattered showers. Southwest winds 20 to 25 mph. Lows around 78. Highs near 87. Chance of showers 30 percent. .MONDAY NIGHT...Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. Southwest winds 15 to 25 mph. Lows around 78. Chance of showers 40 percent. .TUESDAY...Breezy. Cloudy. Numerous showers and isolated thunderstorms. Southwest winds 15 to 25 mph. Highs near 85. Chance of showers 60 percent. .TUESDAY NIGHT...Breezy. Mostly cloudy with showers likely and a slight chance of thunderstorms. Lows in the upper 70s. Chance of showers 60 percent. .WEDNESDAY...Cloudy with showers likely and a slight chance of thunderstorms. Highs in the mid 80s. Chance of showers 60 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. .THURSDAY NIGHT THROUGH SATURDAY...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$ MPZ002-003-032000- Tinian-Saipan- 323 PM ChST Sat Oct 3 2026 ...TROPICAL STORM WARNING REMAINS IN EFFECT... ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM CHST MONDAY ALONG NORTH, SOUTH AND WEST FACING REEFS... ...COASTAL FLOOD STATEMENT IN EFFECT THROUGH MONDAY EVENING ALONG NORTH, SOUTH AND WEST FACING REEFS... ...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... ...HIGH RISK OF RIP CURRENTS THROUGH LATE SUNDAY NIGHT ALONG NORTH, SOUTH AND WEST FACING REEFS... .TONIGHT...Tropical storm conditions expected in the early evening. Southwest winds 35 to 45 mph, tapering down to 25 to 35 mph before midnight. Cloudy with scattered showers and isolated thunderstorms. Locally heavy showers possible. Lows around 78. Chance of showers 40 percent. .SUNDAY...Very windy. Southwest winds 25 to 35 mph. Partly sunny with scattered showers. Highs near 87. Chance of showers 30 percent. .SUNDAY NIGHT...Windy. Mostly cloudy with scattered showers. Southwest winds 25 to 30 mph. Lows around 78. Chance of showers 30 percent. .MONDAY...Breezy. Partly sunny with scattered showers. Southwest winds 20 to 25 mph. Highs near 88. Chance of showers 30 percent. .MONDAY NIGHT...Breezy. Mostly cloudy with scattered showers. Southwest winds 15 to 25 mph. Lows around 77. Chance of showers 40 percent. .TUESDAY...Breezy. Cloudy with numerous showers and isolated thunderstorms. Southwest winds 15 to 25 mph. Highs near 86. Chance of showers 60 percent. .TUESDAY NIGHT AND WEDNESDAY...Cloudy with showers likely and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. Chance of showers 60 percent. .WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 50 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. .THURSDAY NIGHT THROUGH SATURDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$