FPMY50 PGUM 240556
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
356 PM ChST Mon Aug 24 2026

GUZ001-MPZ001>003-242100-
Guam-Rota-Tinian-Saipan-
356 PM ChST Mon Aug 24 2026

...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 5 AM CHST TUESDAY ALONG 
WEST FACING REEFS... 
...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH LATE TONIGHT ALONG 
WEST FACING REEFS...

.TONIGHT...Mostly cloudy with isolated showers, becoming scattered 
showers and isolated thunderstorms after midnight. Southwest winds 5 
to 10 mph. Lows around 78. Chance of showers 30 percent. 
.TUESDAY...Partly sunny with isolated showers and thunderstorms for
Tinian and Saipan. Partly cloudy with scattered showers and isolated
thunderstorms for Guam and Rota. Southwest winds 5 to 15 mph. Highs 
around 86. Chance of showers 50 percent. 
.TUESDAY NIGHT...Mostly cloudy with scattered showers and isolated
thunderstorms. West winds around 5 mph. Lows around 78. Chance of 
showers 40 percent. 
.WEDNESDAY THROUGH THURSDAY...Mostly cloudy with scattered showers
and isolated thunderstorms. Southwest winds around 5 mph. Highs 
around 86. Lows around 78. Chance of showers 40 percent. 
.THURSDAY NIGHT...Mostly cloudy with a chance of showers and a 
slight chance of thunderstorms. Lows in the upper 70s. Chance of 
showers 40 percent.
.FRIDAY THROUGH FRIDAY NIGHT...Mostly cloudy with a chance of showers and a 
slight chance of thunderstorms. Locally heavy showers possible. Lows
in the upper 70s. Highs in the upper 80s. Chance of showers 50 
percent.
.SATURDAY THROUGH MONDAY...Mostly cloudy with a chance of showers 
and a slight chance of thunderstorms. Lows in the upper 70s. Highs 
in the upper 80s. Chance of showers 40 percent.

$$