Zone Forecast Product
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
965 FPMY50 PGUM 180509 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 309 PM ChST Tue Nov 18 2025 GUZ001-MPZ001-182100- Guam-Rota- 309 PM ChST Tue Nov 18 2025 .TONIGHT...Partly cloudy with isolated showers. East winds 10 to 15 mph. Lows around 77. Chance of showers 10 percent. .WEDNESDAY...Mostly sunny with isolated showers. East winds 15 to 20 mph. Highs around 87. Chance of showers 10 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 77. Chance of showers 20 percent. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Isolated showers. East winds 15 to 20 mph. Highs around 87. Lows around 77. Chance of showers 20 percent. .FRIDAY...Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. East winds 20 to 25 mph. Highs around 86. Chance of showers 30 percent. .FRIDAY NIGHT AND SATURDAY...Breezy. Mostly cloudy. A 40 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. Highs in the mid 80s. .SATURDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. .SUNDAY THROUGH TUESDAY...Partly cloudy with a 20 percent chance of showers. Highs in the upper 80s. Lows in the upper 70s. $$ MPZ002-003-182100- Tinian-Saipan- 309 PM ChST Tue Nov 18 2025 .TONIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 79. Chance of showers 10 percent. .WEDNESDAY...Mostly sunny with isolated showers. East winds 15 to 20 mph. Highs around 87. Chance of showers 10 percent. .WEDNESDAY NIGHT...Partly cloudy with isolated showers. East winds 15 to 20 mph. Lows around 79. Chance of showers 20 percent. .THURSDAY AND THURSDAY NIGHT...Breezy. Partly cloudy with isolated showers. East winds 20 to 25 mph. Highs around 87. Lows around 79. Chance of showers 20 percent. .FRIDAY...Breezy. Mostly cloudy with scattered showers and isolated thunderstorms. East winds 20 to 25 mph. Highs around 86. Chance of showers 30 percent. .FRIDAY NIGHT...Breezy. Partly cloudy with a 30 percent chance of showers and a slight chance of thunderstorms. Lows in the upper 70s. .SATURDAY...Breezy. Partly sunny with a 30 percent chance of showers. Highs in the upper 80s. .SATURDAY NIGHT THROUGH TUESDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the upper 80s. $$