Zone Forecast Product
Issued by NWS Tiyan, Guam

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384
FPMY50 PGUM 061804
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
404 AM ChST Tue Oct 7 2025

GUZ001-MPZ001-070815-
Guam-Rota-
404 AM ChST Tue Oct 7 2025

.TODAY...Cloudy with numerous showers and isolated thunderstorms.
Light and variable winds becoming southwest 10 to 15 mph in the
afternoon. Highs near 85. Chance of showers 70 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Southwest winds 10 to 15 mph. Lows around 77. Chance
of showers 40 percent.
.WEDNESDAY...Partly sunny with isolated showers and thunderstorms.
South winds around 10 mph in the morning becoming light. Highs
around 87. Chance of showers 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. Light and
variable winds. Lows around 77. Chance of showers 20 percent.
.THURSDAY...Partly cloudy with isolated showers and thunderstorms.
Light and variable winds becoming northeast around 10 mph in the
afternoon. Highs around 87. Chance of showers 20 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A 20 percent chance of
showers and thunderstorms. Lows in the upper 70s. Highs in the mid
80s.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s.
.SATURDAY...Partly cloudy with a 20 percent chance of showers. Highs
in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the upper 70s. Highs in the upper 80s.
.SUNDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.
Lows in the upper 70s.
.COLUMBUS DAY...Partly cloudy with a 20 percent chance of showers.
Highs in the upper 80s.

$$

MPZ002-003-070815-
Tinian-Saipan-
404 AM ChST Tue Oct 7 2025

.TODAY...Breezy. Partly sunny with scattered showers and isolated
thunderstorms. Southeast winds 15 to 25 mph. Highs near 86. Chance
of showers 40 percent.
.TONIGHT...Breezy. Mostly cloudy with scattered showers and isolated
thunderstorms. South winds 15 to 25 mph. Lows around 79. Chance of
showers 30 percent.
.WEDNESDAY...Partly sunny with isolated showers. South winds 10 to
15 mph. Highs near 87. Chance of showers 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with isolated showers.
Light and variable winds. Lows around 79. Highs near 88. Chance of
showers 20 percent.
.THURSDAY NIGHT THROUGH COLUMBUS DAY...Partly cloudy with a
20 percent chance of showers. Lows in the upper 70s. Highs in the
upper 80s.

$$