598
FPMY50 PGUM 231759
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
359 AM CHST MON AUG 24 2026
GUZ001-MPZ001>003-240900-
GUAM-ROTA-TINIAN-SAIPAN-
359 AM CHST MON AUG 24 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST THIS AFTERNOON ALONG
WEST FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS AFTERNOON ALONG WEST
FACING REEFS...
TODAY
MOSTLY CLOUDY. SCATTERED SHOWERS IN THE MORNING, THEN
NUMEROUS SHOWERS IN THE AFTERNOON. ISOLATED THUNDERSTORMS. SOUTHWEST
WINDS 10 TO 15 MPH WITH GUSTS TO 25 MPH NEAR HEAVIER SHOWERS. HIGHS
AROUND 86. CHANCE OF SHOWERS 60 PERCENT.
TONIGHT
MOSTLY CLOUDY. NUMEROUS SHOWERS IN THE EVENING, THEN
SCATTERED SHOWERS AFTER MIDNIGHT. ISOLATED THUNDERSTORMS. LOCALLY
HEAVY SHOWERS POSSIBLE. SOUTHWEST WINDS 10 TO 15 MPH WITH GUSTS TO 25
MPH NEAR HEAVIER SHOWERS. LOWS AROUND 77. CHANCE OF SHOWERS 60
PERCENT.
TUESDAY THROUGH WEDNESDAY
MOSTLY CLOUDY WITH SCATTERED LOCALLY
HEAVY SHOWERS AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 5 TO 10
MPH. HIGHS AROUND 87. LOWS AROUND 78. CHANCE OF SHOWERS 40 PERCENT.
WEDNESDAY NIGHT AND THURSDAY
MOSTLY CLOUDY. A 40 PERCENT CHANCE
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER
70S. HIGHS IN THE MID 80S.
THURSDAY NIGHT AND FRIDAY
CLOUDY WITH SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID
80S. CHANCE OF SHOWERS 60 PERCENT.
FRIDAY NIGHT THROUGH SUNDAY
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 50 PERCENT.
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