821
FZMY50 PGUM 081900
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
500 AM ChST Sat Aug 9 2025

Marianas Waters out to 40 nautical miles

PMZ150-090845-
500 AM ChST Sat Aug 9 2025

.Synopsis for Marianas Waters...Light to gentle east winds and
combined seas of 3 to 4 feet are expected through the middle of
next week.

$$

PMZ151>154-090845-
MARIANAS COASTAL WATERS-
500 AM ChST Sat Aug 9 2025

.TODAY...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.
.TONIGHT...East wind 10 kt. Seas 3 to 4 ft. Wave Detail: East
3 ft at 8 seconds and east 2 ft at 4 seconds.
.SUNDAY...East wind 10 kt. Seas 3 to 4 ft. Wave Detail: East 3 ft
at 8 seconds and east 2 ft at 4 seconds. Isolated thunderstorms.
.SUNDAY NIGHT...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.
Isolated thunderstorms.
.MONDAY THROUGH WEDNESDAY...East wind 5 kt. Seas 3 to 4 ft. Wave
Detail: East 4 ft at 8 seconds. A slight chance of thunderstorms.

$$