FPMY50 PGUM 201755

ZFPGUM



Zone Forecast for Guam and the Northern Marianas

National Weather Service Tiyan GU

355 AM ChST Sat Mar 21 2026



GUZ001-MPZ001>003-210815-

Guam-Rota-Tinian-Saipan-

355 AM ChST Sat Mar 21 2026



...HIGH SURF ADVISORY IN EFFECT UNTIL 4 PM CHST SUNDAY ALONG NORTH 

FACING REEFS... 

...HIGH RIP CURRENT RISK IN EFFECT THROUGH SUNDAY AFTERNOON ALONG 

NORTH AND EAST FACING REEFS...



.TODAY...Partly cloudy with isolated showers. Northeast to east 

winds 15 to 20 mph with occasional gusts to 30 mph in the afternoon.

Highs around 85. Chance of showers 20 percent.

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

to 20 mph with occasional gusts to 30 mph. Lows around 74. Chance of

showers 10 percent.

.SATURDAY THROUGH MONDAY...Partly cloudy with isolated showers. 

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

Chance of showers 20 percent. 

.MONDAY NIGHT AND TUESDAY...Partly sunny with a 20 percent chance of

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

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

Lows in the mid 70s.   

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

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

.THURSDAY THROUGH FRIDAY...Partly cloudy with a 20 percent chance of

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



$$