Zone Forecast Product
Issued by NWS Tiyan, Guam

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917
FPMY50 PGUM 281758
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
358 AM ChST Sat Nov 29 2025

GUZ001-MPZ001-290815-
Guam-Rota-
358 AM ChST Sat Nov 29 2025

.TODAY...Partly sunny with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Highs near 87. Chance of
showers 30 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 78. Chance of
showers 50 percent.
.SUNDAY...Breezy. Cloudy with numerous showers and isolated
thunderstorms. East winds 15 to 25 mph. Highs near 86. Chance of
showers 60 percent.
.SUNDAY NIGHT...Breezy. Mostly cloudy with numerous showers and
isolated thunderstorms. East winds 15 to 25 mph. Lows around 79.
Chance of showers 60 percent.
.MONDAY...Breezy. Cloudy with numerous showers and isolated
thunderstorms. Southeast winds 15 to 25 mph. Highs around 86. Chance
of showers 60 percent.
.MONDAY NIGHT AND TUESDAY...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.
.TUESDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.
Lows in the upper 70s.
.WEDNESDAY...Partly cloudy with a 20 percent chance of showers.
Highs in the mid 80s.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
showers. Lows in the upper 70s.
.THURSDAY...Partly sunny with a 20 percent chance of showers and
thunderstorms. Highs in the mid 80s.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. A chance of showers and
a slight chance of thunderstorms. Lows around 80. Highs in the mid
80s. Chance of showers 30 percent.

$$

MPZ002-003-290815-
Tinian-Saipan-
358 AM ChST Sat Nov 29 2025

.TODAY...Breezy. Partly sunny. Scattered showers in the morning,
then isolated showers in the afternoon. East winds 15 to 25 mph.
Highs around 87. Chance of showers 30 percent.
.TONIGHT...Breezy. Mostly cloudy with scattered showers. East winds
15 to 25 mph. Lows around 79. Chance of showers 40 percent.
.SUNDAY...Breezy. Cloudy with scattered showers and isolated
thunderstorms. East winds 15 to 25 mph. Highs around 87. Chance of
showers 50 percent.
.SUNDAY NIGHT AND MONDAY...Breezy. Mostly cloudy with scattered
showers and isolated thunderstorms. East winds 15 to 25 mph. Lows
around 80. Highs around 87. Chance of showers 50 percent.
.MONDAY NIGHT AND TUESDAY...Breezy. Mostly cloudy. A 50 percent
chance of showers. Lows around 80. Highs in the mid 80s.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Partly cloudy with a
20 percent chance of showers. Lows around 80. Highs in the upper
80s.
.THURSDAY...Partly sunny with a 20 percent chance of showers. Highs
in the mid 80s.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers
and thunderstorms. Lows around 80.
.FRIDAY...Partly sunny with a chance of showers and a slight chance
of thunderstorms. Highs in the mid 80s. Chance of showers
30 percent.

$$