776
FZMY50 PGUM 051806
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
406 AM ChST Wed Aug 6 2025

Marianas Waters out to 40 nautical miles

PMZ150-061000-
406 AM ChST Wed Aug 6 2025

.Synopsis for Marianas Waters...Mostly gentle east to southeast
winds are expected to persist the next few days. Combined seas of
3 to 4 feet will continue into the weekend, comprised of a primary
easterly trade swell and wind waves.

$$

PMZ151-061000-
Guam Coastal Waters-
406 AM ChST Wed Aug 6 2025

.TODAY...Southeast wind 5 to 10 kt. Seas around 3 ft. Wave
Detail: East 3 ft at 8 seconds and southeast 2 ft at 4 seconds.
Isolated thunderstorms.
.TONIGHT...South wind 5 kt. Seas around 3 ft. Wave Detail: East
3 ft at 8 seconds. Scattered showers with isolated thunderstorms.
.THURSDAY...South wind 5 to 10 kt. Seas around 3 ft. Wave Detail:
East 3 ft at 8 seconds. Isolated thunderstorms.
.THURSDAY NIGHT...Southeast wind 5 kt. Seas around 3 ft. Wave
Detail: East 3 ft at 8 seconds. Scattered showers with isolated
thunderstorms.
.FRIDAY THROUGH SATURDAY...East wind 5 to 10 kt. Seas around
3 ft. Wave Detail: East 3 ft at 8 seconds and east 2 ft at
4 seconds.
.SUNDAY...East 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. A slight chance of
thunderstorms.

$$

PMZ152>154-061000-
Rota Coastal Waters-Tinian Coastal Waters-Saipan Coastal Waters-
406 AM ChST Wed Aug 6 2025

.TODAY...Southeast wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 8 seconds and southeast 2 ft at 4 seconds. Scattered
showers with isolated thunderstorms.
.TONIGHT...East wind 5 kt. Seas around 3 ft. Wave Detail: East
3 ft at 8 seconds. Scattered showers with isolated thunderstorms.
.THURSDAY...South wind 5 kt. Seas around 3 ft. Wave Detail: East
3 ft at 8 seconds. Scattered showers with isolated thunderstorms.
.THURSDAY NIGHT...North wind 5 kt. Seas around 3 ft. Wave Detail:
East 3 ft at 9 seconds. Isolated thunderstorms.
.FRIDAY THROUGH SUNDAY...East wind 10 kt. Seas 3 to 4 ft. Wave
Detail: East 4 ft at 8 seconds and east 2 ft at 4 seconds. A
slight chance of thunderstorms.

$$