FPMY50 PGUM 220538

ZFPGUM



Zone Forecast for Guam and the Northern Marianas

National Weather Service Tiyan GU

338 PM ChST Sun Mar 22 2026



GUZ001-MPZ001-222100-

Guam-Rota-

338 PM ChST Sun Mar 22 2026



...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY AFTERNOON 

ALONG EAST FACING REEFS...

...HIGH SURF ADVISORY WILL EXPIRE AT 4 PM CHST THIS AFTERNOON... 



.TONIGHT...Breezy at times. Mostly cloudy with scattered showers. A

slight chance of thunderstorms after midnight. Northeast winds 15 to

20 mph with occasional gusts to 30 mph with showers. Lows around 74.

Chance of showers 40 percent.

.MONDAY...Breezy. Partly sunny with scattered showers and isolated 

thunderstorms. For Guam, showers increase to numerous in the 

afternoon. Locally heavy showers possible. East winds 15 to 25 mph. 

Highs around 84. Chance of showers 60 percent for Guam, 50 percent 

for Rota. 

.MONDAY NIGHT...Breezy at times. Mostly cloudy with scattered 

showers and isolated thunderstorms. East winds 10 to 20 mph with 

occasional gusts to 30 mph with showers. Lows around 75. Chance of 

showers 50 percent. 

.TUESDAY...Partly sunny with scattered showers and isolated 

thunderstorms. East winds 10 to 15 mph. Highs around 85. Chance of 

showers 40 percent. 

.TUESDAY NIGHT AND WEDNESDAY... Mostly cloudy. Scattered showers. 

Northeast winds 10 to 20 mph. Lows around 75. Highs around 85. 

Chance of showers 40 percent. 

.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. A 20 percent chance

of showers. Lows in the mid 70s. Highs in the upper 80s.   

.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.

Lows in the mid 70s.   

.FRIDAY...Partly sunny with a 20 percent chance of showers. Highs in

the mid 80s.   

.FRIDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent 

chance of showers. Lows in the upper 70s. Highs in the upper 80s. 



$$



MPZ002-003-222100-

Tinian-Saipan-

338 PM ChST Sun Mar 22 2026



...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH TUESDAY AFTERNOON 

ALONG EAST FACING REEFS...

...HIGH SURF ADVISORY WILL EXPIRE AT 4 PM CHST THIS AFTERNOON...



.TONIGHT...Breezy at times. Partly cloudy with isolated showers in 

the evening, becoming mostly cloudy with scattered showers around 

midnight. Northeast winds 15 to 20 mph with occasional gusts to 30 

mph with showers. Lows around 74. Chance of showers 30 percent. 

.MONDAY...Breezy. Partly sunny. Scattered showers in the morning, 

then isolated showers in the afternoon. Northeast winds 20 to 25 

mph. Highs around 85. Chance of showers 30 percent. 

.MONDAY NIGHT...Breezy at times. Mostly cloudy with isolated 

showers. Northeast winds 15 to 25 mph. Lows around 76. Chance of 

showers 20 percent. 

.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Scattered showers. 

Northeast winds 15 to 20 mph. Highs around 85. Lows around 76. Chance

of showers 30 percent. 

.WEDNESDAY...Partly cloudy with isolated showers. Northeast winds 15

to 20 mph. Highs around 85. Chance of showers 20 percent. 

.WEDNESDAY NIGHT THROUGH SUNDAY...Partly cloudy with a 20 percent 

chance of showers. Lows in the upper 70s. Highs in the mid 80s. 



$$