Zone Forecast Product
Issued by NWS Tiyan, Guam

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FPMY50 PGUM 250500
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
300 PM ChST Tue Nov 25 2025

GUZ001-MPZ001>003-252000-
Guam-Rota-Tinian-Saipan-
300 PM ChST Tue Nov 25 2025

...HIGH RIP CURRENT RISK IN EFFECT THROUGH LATE WEDNESDAY NIGHT
ALONG EAST FACING REEFS...

.TONIGHT...Partly cloudy with isolated showers. East winds 10 to
15 mph. Lows around 78. Chance of showers 20 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with scattered
showers. East winds 10 to 20 mph. Highs around 87. Lows around 78.
Chance of showers 30 percent.
.THANKSGIVING DAY...Partly sunny with scattered showers. East winds
15 to 20 mph. Highs around 87. Chance of showers 30 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy with isolated showers.
East winds 10 to 15 mph. Lows around 78. Highs around 87. Chance of
showers 20 percent.
.FRIDAY NIGHT...Partly cloudy with a 20 percent chance of showers.
Lows in the upper 70s.
.SATURDAY...Partly cloudy with a 20 percent chance of showers and
thunderstorms. Highs in the upper 80s.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy with a 40 percent
chance of showers and a slight chance of thunderstorms. Lows around
80. Highs in the mid 80s.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 20 percent chance of
showers. Lows in the upper 70s. Highs in the upper 80s.

$$