412
FPMY50 PGUM 140549
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
349 PM ChST Tue Oct 14 2025

GUZ001-MPZ001-142000-
Guam-Rota-
349 PM ChST Tue Oct 14 2025

...FLASH FLOOD WATCH IN EFFECT THROUGH LATE WEDNESDAY NIGHT...

.TONIGHT...Breezy. Mostly cloudy with scattered showers, becoming
widespread heavy showers after midnight. Isolated thunderstorms.
Southeast winds 15 to 25 mph. Lows around 78. Chance of showers 80
percent.
.WEDNESDAY...Cloudy and breezy. Widespread heavy showers and
isolated thunderstorms. Southeast winds 20 to 25 mph with occasional
gusts to 35 mph possible near heavier showers. Highs near 82. Chance
of showers 90 percent.
.WEDNESDAY NIGHT...Cloudy. Numerous showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 76. Chance of
showers 60 percent.
.THURSDAY...Partly sunny with scattered showers. East winds 10 to 15
mph. Highs near 87. Chance of showers 30 percent.
.THURSDAY NIGHT...Mostly cloudy with isolated showers. East winds
10 to 15 mph. Lows around 78. Chance of showers 20 percent.
.FRIDAY...Partly cloudy with isolated showers. East winds 15 to
20 mph. Highs around 87. Chance of showers 20 percent.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers.
Lows in the upper 70s.
.SATURDAY THROUGH TUESDAY...Mostly cloudy with a 30 percent chance
of showers. Highs in the upper 80s. Lows in the upper 70s.

$$

MPZ002-003-142000-
Tinian-Saipan-
349 PM ChST Tue Oct 14 2025

.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Lows around 77. Chance
of showers 50 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Cloudy with numerous showers and
isolated thunderstorms. East winds 15 to 20 mph. Highs near 85. Lows
around 76. Chance of showers 60 percent.
.THURSDAY...Partly sunny with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Highs around 87. Chance of
showers 40 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy with isolated showers.
East winds 10 to 15 mph. Lows around 78. Highs near 88. Chance of
showers 20 percent.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of showers.
Lows around 80.
.SATURDAY THROUGH TUESDAY...Mostly cloudy with a 30 percent chance
of showers. Highs in the upper 80s. Lows in the upper 70s.

$$