613
FZMY50 PGUM 010548 CCA
CWFGUM

Coastal Waters Forecast for the Mariana Islands...CORRECTED
National Weather Service Tiyan GU
348 PM ChST Fri Aug 1 2025

Marianas Waters out to 40 nautical miles

PMZ150-020000-
348 PM ChST Fri Aug 1 2025

.Synopsis for Marianas Waters...Light to gentle northeasterlies
will turn more southeasterly through the weekend as a tropical
disturbance passes across the southern Marianas. Winds could
become moderate north of the disturbance across the CNMI. As the
disturbance passes through, elevated showers and thunderstorm
chances will persist. Combined seas of 4 to 6 feet, comprised
mainly of a lingering west-northwest swell, will continue through
the weekend, then decrease next week as said swell slowly
subsides.

$$

PMZ151>154-020000-
MARIANAS COASTAL WATERS-
348 PM ChST Fri Aug 1 2025

.TONIGHT...North to northeast wind 5 to 10 kt. Seas 4 to 5 ft.
Wave Detail: West 4 ft at 10 seconds, north 2 ft at 4 seconds and
east 2 ft at 8 seconds. Scattered showers with isolated
thunderstorms.
.SATURDAY...Northeast to east wind 5 to 10 kt. Seas 4 to 5 ft.
Wave Detail: West 4 ft at 10 seconds, northeast 2 ft at 4 seconds
and east 2 ft at 8 seconds. Scattered showers with isolated
thunderstorms.
.SATURDAY NIGHT...East to southeast wind 5 to 10 kt. Seas 4 to 6
ft. Wave Detail: West 5 ft at 10 seconds, east 3 ft at 8 seconds
and east 2 ft at 4 seconds. Scattered showers with isolated
thunderstorms.
.SUNDAY...East to southeast wind 5 to 15 kt. Seas 4 to 6 ft. Wave
Detail: West 5 ft at 10 seconds, east 3 ft at 8 seconds and east
3 ft at 4 seconds. Scattered showers with isolated thunderstorms.
.SUNDAY NIGHT...Southeast wind 5 to 15 kt. Seas 4 to 6 ft. Wave
Detail: West 5 ft at 10 seconds, east 3 ft at 8 seconds and
southeast 3 ft at 4 seconds. Scattered showers with isolated
thunderstorms.
.MONDAY...Southeast wind 5 to 15 kt. Seas 4 to 5 ft. Wave Detail:
East 3 ft at 8 seconds, west 3 ft at 9 seconds and southeast 3 ft
at 4 seconds. Scattered showers with a slight chance of
thunderstorms.
.TUESDAY...Southeast wind 5 to 10 kt. Seas 3 to 4 ft. Wave
Detail: West 3 ft at 9 seconds, east 2 ft at 8 seconds and
southeast 2 ft at 4 seconds. Scattered showers with a slight
chance of thunderstorms.
.WEDNESDAY...South wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 8 seconds, west 2 ft at 9 seconds and south 2 ft at
4 seconds. Scattered showers with a slight chance of
thunderstorms.

$$