321
FPMY50 PGUM 180606
ZFPGUM
ZONE FORECAST FOR GUAM AND THE NORTHERN MARIANAS
NATIONAL WEATHER SERVICE TIYAN GU
406 PM CHST WED MAR 18 2026
GUZ001-MPZ001>003-182100-
GUAM-ROTA-TINIAN-SAIPAN-
406 PM CHST WED MAR 18 2026
...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST FRIDAY ALONG NORTH
FACING REEFS...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH FRIDAY AFTERNOON ALONG
NORTH AND EAST FACING REEFS...
..COASTAL FLOOD WATCH NO LONGER IN EFFECT
...MINOR COASTAL INUNDATION ALONG NORTHERN SHORELINES REMAINS
POSSIBLE THROUGH FRIDAY AFTERNOON...
TONIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST WINDS 15
TO 20 MPH. LOWS AROUND 74. CHANCE OF SHOWERS 20 PERCENT.
THURSDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST WINDS 15
TO 20 MPH. HIGHS AROUND 84. CHANCE OF SHOWERS 20 PERCENT.
THURSDAY NIGHT
PARTLY CLOUDY WITH ISOLATED SHOWERS. NORTHEAST
WINDS 10 TO 15 MPH. LOWS AROUND 74. CHANCE OF SHOWERS 20 PERCENT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY WITH ISOLATED SHOWERS.
NORTHEAST WINDS 15 TO 20 MPH. HIGHS AROUND 85. LOWS AROUND 75. CHANCE
OF SHOWERS 20 PERCENT.
SATURDAY NIGHT AND SUNDAY
PARTLY CLOUDY WITH A 20 PERCENT CHANCE
OF SHOWERS. LOWS IN THE MID 70S.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A 20 PERCENT CHANCE OF SHOWERS
AND THUNDERSTORMS. LOWS IN THE MID 70S.
MONDAY
PARTLY SUNNY WITH A 30 PERCENT CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. HIGHS IN THE MID 80S.
MONDAY NIGHT THROUGH WEDNESDAY
MOSTLY CLOUDY WITH A 40 PERCENT
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. LOWS IN THE
MID 70S. HIGHS IN THE MID 80S.
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