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FPMY50 PGUM 302303 AAA
ZFPGUM

Zone Forecast for Guam and the Northern Marianas...UPDATED
National Weather Service Tiyan GU
903 AM ChST Mon Dec 1 2025

GUZ001-MPZ001-010800-
Guam-Rota-
903 AM ChST Mon Dec 1 2025

Updated to decrease showers this morning and include isolated
thunderstorms for today.

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG
NORTH FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...

.REST OF TODAY...Mostly cloudy. Scattered showers becoming numerous
in the afternoon. Isolated thunderstorms. East winds 15 to 20 mph.
Highs around 86. Chance of showers 60 percent.
.TONIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. East winds 10 to 15 mph. Lows around 79. Chance of
showers 50 percent.
.TUESDAY...Partly cloudy with isolated showers. East winds 15 to 20
mph. Highs near 85. Chance of showers 20 percent.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy with isolated showers.
East winds 15 to 20 mph. Lows around 79. Highs near 86. Chance of
showers 10 percent.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of
showers. Lows in the upper 70s.
.THURSDAY AND THURSDAY NIGHT...Mostly cloudy. A 30 percent chance of
showers and a slight chance of thunderstorms. Highs in the mid 80s.
Lows in the upper 70s.
.FRIDAY...Partly sunny with a 30 percent chance of showers. Highs in
the mid 80s.
.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.

$$

MPZ002-003-010800-
Tinian-Saipan-
903 AM ChST Mon Dec 1 2025

Updated to include isolated thunderstorms today.

...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG
NORTH FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH WEDNESDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...

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

$$