FPMY50 PGUM 190552
ZFPGUM

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

GUZ001-MPZ001>003-192115-
Guam-Rota-Tinian-Saipan-
352 PM ChST Tue May 19 2026

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

.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 with occasional gusts up to 30 mph. Highs around 87. Chance 
of showers 20 percent.
.WEDNESDAY NIGHT...Partly cloudy with isolated showers. East winds 
15 to 20 mph. Lows around 78. Chance of showers 20 percent. 
.THURSDAY...Partly cloudy with isolated showers. East winds 15 to 20
mph. Highs around 87. Chance of showers 20 percent. 
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Scattered showers. East 
winds 15 to 20 mph. Lows around 78. Highs around 87. Chance of 
showers 30 percent. 
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A 30 percent chance of
showers. Lows in the upper 70s. Highs in the mid 80s. 
.SATURDAY NIGHT THROUGH TUESDAY...Breezy. Mostly cloudy with a
chance of showers and a slight chance of thunderstorms. Lows in the 
upper 70s. Highs in the mid 80s. Chance of showers 50 percent.

$$