FPMY50 PGUM 160453 ZFPGUM Zone Forecast for Guam and the Northern Marianas National Weather Service Tiyan GU 253 PM ChST Fri Oct 16 2026 GUZ001-161300- Guam- 253 PM ChST Fri Oct 16 2026 ...TYPHOON WARNING NOW IN EFFECT... ...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... ...HIGH SURF WARNING IN EFFECT FROM 5 PM SATURDAY TO 4 AM CHST MONDAY ALONG EAST FACING REEFS... ...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT ALONG ALL REEFS... .TONIGHT...Partly cloudy with isolated showers. North winds 10 to 15 mph. Lows around 75. Chance of showers 20 percent. .SATURDAY...Breezy. Partly cloudy with isolated showers. North winds 15 to 20 mph. Highs around 85. Chance of showers 20 percent. .SATURDAY NIGHT...Tropical storm force winds. Northeast to east winds 25 to 35 mph increasing to 60 to 70 mph with gusts to 80 mph during the evening. Mostly cloudy with isolated showers becoming cloudy with scattered locally heavy showers and thunderstorms by midnight. Lows around 76. Chance of showers 50 percent. .SUNDAY...Typhoon force winds. Northeast winds, turning to southwest, 90 to 105 mph with gusts to 150 mph. Cloudy. Widespread heavy showers and scattered thunderstorms. Highs around 84. Chance of showers near 100 percent. .SUNDAY NIGHT...Tropical storm force winds. South winds 50 to 70 mph with gusts to 80 mph. Mostly cloudy. Scattered locally heavy showers and thunderstorms. Lows around 75. Chance of showers 50 percent. .MONDAY...Windy. Partly sunny with a 20 percent chance of showers and thunderstorms. Southeast winds 25 to 30 mph. Gusts up to 40 mph in the morning. Highs around 84. .MONDAY NIGHT...Breezy. Mostly cloudy with a 30 percent chance of showers. Lows in the upper 70s. .TUESDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Highs in the mid 80s. Lows in the upper 70s. $$ MPZ001-161300- Rota- 253 PM ChST Fri Oct 16 2026 ...TYPHOON WARNING NOW IN EFFECT... ...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... ...HIGH SURF WARNING IN EFFECT FROM 5 PM SATURDAY TO 4 AM CHST MONDAY ALONG EAST FACING REEFS... ...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT ALONG ALL REEFS... .TONIGHT...Breezy. Partly cloudy with isolated showers. Northeast winds 15 to 20 mph. Lows around 75. Chance of showers 20 percent. .SATURDAY...Breezy. Partly cloudy with isolated showers. North winds 20 to 25 mph. Highs around 85. Chance of showers 20 percent. .SATURDAY NIGHT...Tropical storm force winds. Southeast winds 30 to 40 mph increasing to 50 to 60 mph with gusts to 80 mph during the evening. Mostly cloudy with isolated showers becoming scattered locally heavy showers and thunderstorms by midnight. Lows around 76. Chance of showers 50 percent. .SUNDAY...Southeast to south winds 60 to 80 mph with gusts to 115 mph. Cloudy. Widespread heavy showers and scattered thunderstorms. Highs around 84. Chance of showers 80 percent. .SUNDAY NIGHT...Tropical storm force winds. Southeast winds 40 to 60 mph. Gusts up to 80 mph. Mostly cloudy with scattered showers and thunderstorms. Lows around 76. Chance of showers 50 percent. .MONDAY...Windy. Mostly cloudy with a 20 percent chance of showers and thunderstorms. Southeast winds 25 to 30 mph. Gusts up to 40 mph in the morning. Highs around 83. .MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy. A 30 percent chance of showers. Lows in the upper 70s. Highs in the lower 80s. .TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the mid 80s. $$ MPZ002-003-161300- Tinian-Saipan- 253 PM ChST Fri Oct 16 2026 ...TROPICAL STORM WARNING NOW IN EFFECT... ...TYPHOON WATCH REMAINS IN EFFECT... ...FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY AFTERNOON... ...HIGH SURF WARNING IN EFFECT FROM 5 PM SATURDAY TO 4 AM CHST MONDAY ALONG EAST FACING REEFS... ...COASTAL FLOOD WATCH IN EFFECT FROM SATURDAY AFTERNOON THROUGH LATE SUNDAY NIGHT ALONG ALL REEFS... .TONIGHT...Breezy. Partly cloudy with isolated showers. Northeast winds 15 to 20 mph. Lows around 76. Chance of showers 20 percent. .SATURDAY...Windy. Partly cloudy with isolated showers. Northeast winds 25 to 30 mph. Highs around 85. Chance of showers 20 percent. .SATURDAY NIGHT...Tropical storm force winds. East to southeast winds 40 to 50 mph with gusts to 70 mph. Mostly cloudy. Isolated showers and thunderstorms becoming cloudy with scattered locally heavy showers and isolated thunderstorms near midnight. Lows around 76. Chance of showers 50 percent. .SUNDAY...Tropical storm force winds. Typhoon force winds possible. Southeast winds 40 to 60 mph with gusts to 80 mph. Mostly cloudy with scattered locally heavy showers and thunderstorms. Highs around 84. Lows around 76. Chance of showers 50 percent. .SUNDAY NIGHT...Southeast winds 30 to 50 mph with gusts to 70 mph. Mostly cloudy with scattered locally heavy showers and thunderstorms. Highs around 84. Lows around 76. Chance of showers 50 percent. .MONDAY...Breezy. Mostly cloudy with a 20 percent chance of showers and thunderstorms. Southeast winds 20 to 25 mph. Gusts up to 35 mph in the morning. Highs around 84. .MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy. A 30 percent chance of showers. Lows in the upper 70s. Highs in the mid 80s. .TUESDAY NIGHT...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. .WEDNESDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance of showers. Lows in the upper 70s. Highs in the mid 80s. $$