Zone Forecast Product
Issued by NWS Tiyan, Guam

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FPMY50 PGUM 121759
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
359 AM ChST Sun Jul 13 2025

GUZ001-MPZ001>003-130815-
Guam-Rota-Tinian-Saipan-
359 AM ChST Sun Jul 13 2025

.TODAY...Partly sunny. Scattered showers and isolated thunderstorms.
Southeast winds 10 to 15 mph. Highs near 86. Chance of showers 30
percent.
.TONIGHT...Mostly cloudy with isolated showers and thunderstorms.
Southeast winds 10 to 15 mph. Lows around 79. Chance of showers
20 percent.
.MONDAY...Partly sunny with isolated showers and thunderstorms.
Southeast winds 10 to 15 mph. Highs near 86. Chance of showers 20
percent.
.MONDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. Southeast winds 10 to 15 mph. Lows around 79. Chance
of showers 30 percent.
.TUESDAY...Partly sunny with scattered showers. Southeast winds
10 to 15 mph. Highs near 86. Chance of showers 30 percent.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. A 20 percent chance of
showers and thunderstorms. Lows in the upper 70s. Highs in the mid
80s.
.WEDNESDAY NIGHT THROUGH SATURDAY...Mostly cloudy with a chance of
showers and a slight chance of thunderstorms. Lows in the upper 70s.
Highs in the mid 80s. Chance of showers 40 percent.

$$