152
FPMY50 PGUM 230603
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
403 PM CHST FRI JAN 23 2026
GUZ001-MPZ001-232045-
GUAM-ROTA-
403 PM CHST FRI JAN 23 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 PM SATURDAY TO 6 PM CHST
MONDAY FOR WEST AND NORTH FACING REEFS...
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTH WINDS 15 TO 20
MPH. LOWS AROUND 78. CHANCE OF SHOWERS 20 PERCENT.
SATURDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. SOUTH WINDS 10 TO
15 MPH. HIGHS AROUND 88. CHANCE OF SHOWERS 20 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTH WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOWS AROUND 77. CHANCE OF SHOWERS 30 PERCENT.
SUNDAY
PARTLY SUNNY. ISOLATED SHOWERS IN THE MORNING, THEN
SCATTERED ISLAND SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON
FOR GUAM. LOCALLY HEAVY ISLAND SHOWERS POSSIBLE. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS FOR ROTA. LIGHT AND VARIABLE WINDS. HIGHS
AROUND 87. CHANCE OF SHOWERS 40 PERCENT.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING NORTHEAST AROUND
10 MPH AFTER MIDNIGHT. LOWS AROUND 76. CHANCE OF SHOWERS 50 PERCENT.
MONDAY
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 15 TO 25 MPH. HIGHS AROUND 86. CHANCE
OF SHOWERS 50 PERCENT.
MONDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
TUESDAY
MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID TO UPPER 80S.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A 30 PERCENT CHANCE OF SHOWERS
AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 70S.
WEDNESDAY THROUGH FRIDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SHOWERS. HIGHS IN THE UPPER 80S. LOWS IN THE UPPER 70S.
MPZ002-003-232045-
TINIAN-SAIPAN-
403 PM CHST FRI JAN 23 2026
...HIGH SURF ADVISORY IN EFFECT FROM 6 PM SATURDAY TO 6 PM CHST
MONDAY FOR WEST AND NORTH FACING REEFS...
TONIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTH WINDS 15 TO 20 MPH. LOWS AROUND 77. CHANCE OF
SHOWERS 30 PERCENT.
SATURDAY
PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTH WINDS 15 TO 20 MPH. HIGHS AROUND 87. CHANCE OF
SHOWERS 40 PERCENT.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. SOUTH WINDS AROUND 10 MPH IN THE EVENING BECOMING
LIGHT. LOWS AROUND 76. CHANCE OF SHOWERS 50 PERCENT.
SUNDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS BECOMING NORTH AT 10 TO 15
MPH IN THE AFTERNOON. HIGHS AROUND 86. CHANCE OF SHOWERS 50 PERCENT.
SUNDAY NIGHT
BREEZY. MOSTLY CLOUDY WITH SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS. NORTHEAST WINDS 15 TO 25 MPH. LOWS AROUND
78. CHANCE OF SHOWERS 50 PERCENT.
MONDAY
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTHEAST WINDS 20 TO 25 MPH. HIGHS AROUND 86. CHANCE
OF SHOWERS 50 PERCENT.
MONDAY NIGHT
BREEZY. PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE UPPER 70S.
TUESDAY THROUGH WEDNESDAY
BREEZY. MOSTLY CLOUDY WITH A 30 PERCENT
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 80S. LOWS IN THE UPPER 70S.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY WITH A 20 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE UPPER 80S.
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