275
FPMY50 PGUM 081809
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
409 AM CHST MON MAR 9 2026
GUZ001-MPZ001-090830-
GUAM-ROTA-
409 AM CHST MON MAR 9 2026
..FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST TUESDAY ALONG NORTH
FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...
TODAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS IN THE MORNING, THEN
CLOUDY WITH NUMEROUS LOCALLY HEAVY SHOWERS IN THE AFTERNOON.
ISOLATED THUNDERSTORMS. NORTHWEST TO NORTH WINDS 5 TO 15 MPH. HIGHS
AROUND 83. CHANCE OF SHOWERS 70 PERCENT.
TONIGHT
CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS.
LOCALLY HEAVY SHOWERS POSSIBLE. NORTHWEST TO NORTH WINDS 5 TO 10
MPH, BECOMING LIGHT AND VARIABLE AT TIMES. LOWS AROUND 75. CHANCE OF
SHOWERS 70 PERCENT.
TUESDAY AND TUESDAY NIGHT
CLOUDY WITH NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS. SOUTHEAST WINDS 10 TO 15 MPH. LOCALLY HEAVY
RAINFALL POSSIBLE. HIGHS AROUND 83. LOWS AROUND 77. CHANCE OF SHOWERS
70 PERCENT.
WEDNESDAY
MOSTLY CLOUDY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. LIGHT AND VARIABLE WINDS. HIGHS AROUND 84. CHANCE OF
SHOWERS 50 PERCENT.
WEDNESDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.
THURSDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S.
THURSDAY NIGHT AND FRIDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 70S. HIGHS IN THE MID
80S.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE UPPER 70S.
SATURDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS. HIGHS
IN THE MID 80S.
SATURDAY NIGHT AND SUNDAY
BREEZY. PARTLY CLOUDY. A 10 PERCENT
CHANCE OF SHOWERS. LOWS IN THE UPPER 70S. HIGHS IN THE LOWER 80S.
MPZ002-003-090830-
TINIAN-SAIPAN-
409 AM CHST MON MAR 9 2026
..FLOOD WATCH IN EFFECT THROUGH THIS AFTERNOON
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST TUESDAY ALONG NORTH
FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH TUESDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...
TODAY
BREEZY. PARTLY SUNNY WITH SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS. NORTH TO NORTHEAST WINDS 15 TO 25 MPH. HIGHS AROUND
86. CHANCE OF SHOWERS 30 PERCENT.
TONIGHT
BREEZY. CLOUDY WITH NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS. LOCALLY HEAVY SHOWERS POSSIBLE. NORTHEAST WINDS 15 TO
25 MPH. LOWS AROUND 76. CHANCE OF SHOWERS 60 PERCENT.
TUESDAY THROUGH WEDNESDAY
CLOUDY WITH WIDESPREAD SHOWERS AND
ISOLATED THUNDERSTORMS. EAST WINDS 10 TO 15 MPH. LOCALLY HEAVY
RAINFALL POSSIBLE. HIGHS AROUND 84. LOWS AROUND 76. CHANCE OF
SHOWERS NEAR 100 PERCENT.
WEDNESDAY NIGHT
CLOUDY WITH HEAVY SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS. LOWS IN THE MID 70S. CHANCE OF SHOWERS 60
PERCENT.
THURSDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 70S.
FRIDAY
PARTLY SUNNY WITH A 20 PERCENT CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE MID 80S.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY. A 20 PERCENT CHANCE OF
SHOWERS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
SATURDAY NIGHT AND SUNDAY
BREEZY. PARTLY CLOUDY. A 10 PERCENT
CHANCE OF SHOWERS. LOWS IN THE MID 70S. HIGHS IN THE MID 80S.
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