425
FPMY50 PGUM 101800
ZFPGUM

Zone Forecast for Guam and the Northern Marianas
National Weather Service Tiyan GU
400 AM ChST Tue Aug 11 2026

GUZ001-MPZ001>003-110900-
Guam-Rota-Tinian-Saipan-
400 AM ChST Tue Aug 11 2026

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST THURSDAY
ALONG WEST AND NORTH FACING REEFS...
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY
AFTERNOON ALONG WEST AND NORTH FACING REEFS...

.TODAY...Breezy over Tinian and Saipan. Mostly cloudy with scattered
showers and isolated thunderstorms. Locally heavy showers possible.
West winds 20 to 25 mph over Tinian and Saipan, 15 to 20 mph
elsewhere. Highs near 86. Chance of showers 50 percent.
.TONIGHT...Breezy. Mostly cloudy with scattered showers and
isolated thunderstorms. Southwest winds 15 to 25 mph. Lows around
79. Chance of showers 40 percent.
.WEDNESDAY...Breezy. Partly sunny with isolated showers. Southwest
winds 15 to 25 mph. Highs near 88. Chance of showers 20 percent.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with isolated showers.
Southwest winds 15 to 20 mph. Lows around 77. Highs near 88. Chance
of showers 20 percent.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy with a 20 percent chance
of showers. Lows in the upper 70s. Highs in the upper 80s.
.FRIDAY NIGHT THROUGH MONDAY...Mostly cloudy with a 40 percent
chance of showers. Lows in the upper 70s. Highs in the upper 80s.

$$