602
FZMY50 PGUM 021800
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 AM ChST Sun Aug 3 2025

Marianas Waters out to 40 nautical miles

PMZ150-030900-
400 AM ChST Sun Aug 3 2025

.Synopsis for Marianas Waters...Gentle to moderate southeasterlies
are expected to persist the next few days as a nearby tropical
disturbances continues to move west away from the Marianas.
Combined seas of 4 to 6 feet, comprised mainly of a lingering
west-northwest swell, will continue into the week, to then
decrease slowly thereafter as said swell subsides.

$$

PMZ151>154-030900-
MARIANAS COASTAL WATERS-
400 AM ChST Sun Aug 3 2025

.TODAY...Southeast wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail:
West 4 ft at 10 seconds, east 3 ft at 8 seconds and east 3 ft at 4
seconds. Scattered showers and isolated thunderstorms.
.TONIGHT...Southeast wind 10 to 15 kt. Seas around 4 to 6 ft.
Wave Detail: West 4 ft at 10 seconds, southeast 3 ft at 8 seconds,
east 3 ft at 4 seconds. Scattered showers. Isolated thunderstorms
Guam waters.
.MONDAY...East to southeast wind 10 to 15 kt. Seas around 5 ft.
Wave Detail: West 3 ft at 9 seconds, east 3 ft at 8 seconds and
east 3 ft at 4 seconds.
.MONDAY NIGHT...East to southeast wind 10 to 15 kt. Seas around 4
ft. Wave Detail: East 3 ft at 8 seconds, east 3 ft at 4 seconds
and west 2 ft at 9 seconds. Scattered showers with isolated
thunderstorms.
.TUESDAY THROUGH THURSDAY...South wind 5 to 15 kt. Seas 3 to 4 ft.
Wave Detail: East 3 ft at 8 seconds and southeast 3 ft at 4 seconds.
Scattered showers with a slight chance of thunderstorms.

$$