116
FPMY50 PGUM 220527
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
327 PM CHST SAT AUG 22 2026
GUZ001-MPZ001-222045-
GUAM-ROTA-
327 PM CHST SAT AUG 22 2026
...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG
EAST FACING REEFS...
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHWEST WINDS 10 TO 15 MPH. LOCALLY HEAVY RAINFALL
POSSIBLE. LOWS AROUND 78. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH. LOCALLY HEAVY RAINFALL
POSSIBLE. HIGHS AROUND 87. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHWEST WINDS 10 TO 15 MPH. LOCALLY HEAVY RAINFALL
POSSIBLE. LOWS AROUND 78. CHANCE OF SHOWERS 50 PERCENT.
MONDAY THROUGH TUESDAY
BREEZY. MOSTLY CLOUDY WITH SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS. SOUTHWEST WINDS 15 TO 20 MPH.
LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS AROUND 85. LOWS AROUND 78.
CHANCE OF SHOWERS 40 PERCENT.
TUESDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S. CHANCE OF
SHOWERS 50 PERCENT.
WEDNESDAY THROUGH THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE LOWER TO
MID 80S. LOWS IN THE MID TO UPPER 70S. CHANCE OF SHOWERS 60 PERCENT.
FRIDAY THROUGH SATURDAY
BREEZY. MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
LOWS IN THE UPPER 70S. CHANCE OF SHOWERS 40 PERCENT.
MPZ002-003-222045-
TINIAN-SAIPAN-
327 PM CHST SAT AUG 22 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 5 PM CHST SUNDAY ALONG NORTH
FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS. SOUTHWEST WINDS 10
TO 15 MPH. LOCALLY HEAVY RAINFALL POSSIBLE. LOWS AROUND 79. CHANCE OF
SHOWERS 30 PERCENT.
SUNDAY
PARTLY SUNNY WITH SCATTERED SHOWERS AND THUNDERSTORMS.
SOUTHWEST WINDS 10 TO 15 MPH. LOCALLY HEAVY RAINFALL POSSIBLE. HIGHS
AROUND 87. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTHWEST WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOCALLY HEAVY RAINFALL POSSIBLE. LOWS AROUND 80. CHANCE OF
SHOWERS 40 PERCENT.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. SOUTH WINDS 10 TO 15 MPH. LOCALLY HEAVY
RAINFALL POSSIBLE. HIGHS AROUND 87. LOWS AROUND 80. CHANCE OF SHOWERS
50 PERCENT.
TUESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. LOCALLY HEAVY RAINFALL
POSSIBLE. HIGHS AROUND 86. CHANCE OF SHOWERS 50 PERCENT.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE MID TO
UPPER 70S. HIGHS IN THE MID 80S. CHANCE OF SHOWERS 50 PERCENT.
THURSDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S. LOWS IN
THE UPPER 70S. CHANCE OF SHOWERS 50 PERCENT.
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