852
FZMY50 PGUM 111046 AAA
CWFGUM

Coastal Waters Forecast for the Mariana Islands...UPDATED
National Weather Service Tiyan GU
846 PM ChST Mon Aug 11 2025

Marianas Waters out to 40 nautical miles

PMZ150-112030-
846 PM ChST Mon Aug 11 2025

.Synopsis for Marianas Waters...Light to gentle winds are expected
through the week. Combined seas of 3 to 4 feet will slowly
subside, dropping to between 2 and 3 feet Tuesday night. An
upper-level low will produce isolated thunderstorms through
Wednesday.

$$

PMZ151>154-112030-
MARIANAS COASTAL WATERS-
846 PM ChST Mon Aug 11 2025

Updated to add scattered showers to Guam waters this evening.

.REST OF TONIGHT...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: East 3 ft at 8 seconds and east 2 ft at 4 seconds.
Scattered showers for Guam waters. Isolated thunderstorms.
.TUESDAY...Southeast wind 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: East 4 ft at 8 seconds and east 2 ft at 4 seconds.
Isolated thunderstorms.
.TUESDAY NIGHT...East wind 5 kt. Seas around 3 ft. Wave Detail:
East 3 ft at 8 seconds. Isolated thunderstorms.
.WEDNESDAY...East wind 5 kt. Seas around 3 ft. Wave Detail: East
3 ft at 9 seconds. Isolated thunderstorms.
.WEDNESDAY NIGHT...East wind 5 kt. Seas around 3 ft. Wave Detail:
East 3 ft at 9 seconds.
.THURSDAY THROUGH SATURDAY...East wind 5 to 10 kt. Seas around
3 ft. Wave Detail: East 3 ft at 9 seconds and east 2 ft at
4 seconds.

$$