235
FZMY50 PGUM 011900
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
500 AM ChST Thu Oct 2 2025

Marianas Waters out to 40 nautical miles

PMZ150-020900-
500 AM ChST Thu Oct 2 2025

.Synopsis for Marianas Waters...Mainly light winds and combined
seas of 3 to 4 feet are expected through the weekend. An
approaching TUTT cell is expected to increase the risk of
thunderstorms across the waters over the next couple of days.

$$

PMZ151>154-020900-
MARIANAS COASTAL WATERS-
500 AM ChST Thu Oct 2 2025

.TODAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
Northeast 3 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft
at 9 seconds.
.TONIGHT...East wind 5 kt. Seas 3 to 4 ft. Wave Detail: Northeast
3 ft at 8 seconds and north 2 ft at 9 seconds. Isolated
thunderstorms.
.FRIDAY...Southeast wind 5 kt. Seas 3 to 4 ft. Wave Detail: East
2 ft at 8 seconds and north 2 ft at 9 seconds. Isolated
thunderstorms.
.FRIDAY NIGHT...South wind 5 kt. Seas 3 to 4 ft. Wave Detail:
Northeast 3 ft at 8 seconds and north 2 ft at 9 seconds.
.SATURDAY THROUGH SUNDAY...North wind 5 kt. Seas 3 to 4 ft. Wave
Detail: Northeast 3 ft at 8 seconds and north 2 ft at 9 seconds.
A slight chance of thunderstorms.
.MONDAY...South wind 5 kt. Seas around 3 ft. Wave Detail: East
3 ft at 8 seconds. A chance of showers with a slight chance of
thunderstorms.

$$