Zone Forecast Product
Issued by NWS Tiyan, Guam

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607
FPMY50 PGUM 131757
ZFPGUM

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

GUZ001-MPZ001-140815-
Guam-Rota-
357 AM ChST Tue Oct 14 2025

.TODAY...Breezy. Cloudy with numerous showers and isolated
thunderstorms. East winds 15 to 25 mph. Highs near 86. Chance of
showers 60 percent.
.TONIGHT...Cloudy with widespread locally heavy showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 77. Chance of
showers 80 percent.
.WEDNESDAY...Breezy. Cloudy with widespread locally heavy showers
and isolated thunderstorms. Southeast winds 15 to 25 mph with gusts
to 35 mph. Highs near 86. Chance of showers near 100 percent.
.WEDNESDAY NIGHT AND THURSDAY...Breezy. Mostly cloudy. Scattered
showers and isolated thunderstorms. East winds 15 to 20 mph. Lows
around 77. Highs near 86. Chance of showers 50 percent.
.THURSDAY NIGHT...Mostly cloudy with a 20 percent chance of showers
and thunderstorms. Lows in the upper 70s.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of
showers. Highs in the upper 80s. Lows around 78.
.SATURDAY...Partly cloudy with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. A 30 percent chance of
showers and a slight chance of thunderstorms. Lows around 78. Highs
in the upper 80s.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy. A 20 percent chance of
showers and thunderstorms. Lows in the upper 70s. Highs in the upper
80s.

$$

MPZ002-003-140815-
Tinian-Saipan-
357 AM ChST Tue Oct 14 2025

.TODAY...Breezy. Partly sunny with scattered showers and isolated
thunderstorms. East winds 15 to 20 mph. Highs near 87. Chance of
showers 30 percent.
.TONIGHT...Breezy. Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 20 to 25 mph decreasing to 10 to
15 mph after midnight. Lows around 79. Chance of showers 50 percent.
.WEDNESDAY...Breezy. Cloudy with numerous showers and isolated
thunderstorms. East winds 15 to 20 mph. Highs near 87. Chance of
showers 70 percent.
.WEDNESDAY NIGHT AND THURSDAY...Breezy. Mostly cloudy. Scattered
showers and isolated thunderstorms. East winds 15 to 20 mph. Lows
around 79. Highs near 87. Chance of showers 40 percent.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers
and a slight chance of thunderstorms. Lows in the upper 70s.
.FRIDAY...Partly sunny with a 20 percent chance of showers. Highs in
the upper 80s.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.
Lows in the upper 70s.
.SATURDAY THROUGH SUNDAY NIGHT...Mostly cloudy with a 20 percent
chance of showers and thunderstorms. Highs in the upper 80s. Lows in
the upper 70s.
.MONDAY...Partly sunny with a chance of showers and a slight chance
of thunderstorms. Highs in the upper 80s. Chance of showers
30 percent.

$$