FPMY50 PGUM 181641
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
241 AM ChST Tue May 19 2026

GUZ001-MPZ001>003-190815-
Guam-Rota-Tinian-Saipan-
241 AM ChST Tue May 19 2026

...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS AFTERNOON ALONG  
EAST FACING REEFS...

.TODAY...Partly cloudy with isolated showers. East winds 15 to 20 
mph. Gusts to 30 mph during the afternoon. Highs around 88. Chance 
of showers 20 percent.
.TONIGHT...Partly cloudy with isolated showers. East winds 15 to 20 
mph. Lows around 78. Chance of showers 20 percent. 
.WEDNESDAY...Partly cloudy with isolated showers. East winds 15 to 
20 mph. Highs around 87. Chance of showers 20 percent. 
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with isolated showers.
East winds 15 to 20 mph. Lows around 78. Highs around 87. Chance of 
showers 20 percent. 
.THURSDAY NIGHT...Partly cloudy with a 20 percent chance of showers.
Lows in the upper 70s.   
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy. A 20 percent chance of
showers. Highs in the upper 80s. Lows in the upper 70s.   
.SATURDAY...Partly sunny with a 30 percent chance of showers. Highs
in the mid 80s.   
.SATURDAY NIGHT THROUGH MEMORIAL DAY...Mostly cloudy with a chance
of showers and a slight chance of thunderstorms. Lows around 80.
Highs in the mid 80s. Chance of showers 30 percent. 

$$