321
FPMY50 PGUM 241808
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
408 AM CHST TUE AUG 25 2026
GUZ001-MPZ001>003-250900-
GUAM-ROTA-TINIAN-SAIPAN-
408 AM CHST TUE AUG 25 2026
...HIGH SURF ADVISORY AND HIGH RIP CURRENT RISK ARE NO LONGER IN
EFFECT...
TODAY
PARTLY CLOUDY WITH ISOLATED SHOWERS, THEN MOSTLY CLOUDY
WITH SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS THIS AFTERNOON FOR
GUAM AND ROTA. SOUTHWEST WINDS 5 TO 15 MPH. HIGHS AROUND 88. CHANCE
OF SHOWERS 20 PERCENT FOR TINIAN AND SAIPAN, 40 PERCENT FOR GUAM AND
ROTA.
TONIGHT
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 40 PERCENT CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
FRIDAY THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A 50 PERCENT
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOCALLY HEAVY
SHOWERS POSSIBLE. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
SATURDAY THROUGH MONDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
HIGHS IN THE UPPER 80S.
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