292
FZMY50 PGUM 231854
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
454 AM ChST Sun Aug 24 2025

Marianas Waters out to 40 nautical miles

PMZ150-240830-
454 AM ChST Sun Aug 24 2025

.Synopsis for Marianas Waters...Trade winds converging into the
Marianas will bring scattered showers and isolated thunderstorms
through at least Thursday with lulls this morning and Monday
night. Combined seas of 3 to 4 feet and light to gentle winds are
expected through Monday. Seas should increase to 3 to 5 feet and
winds should increase to gentle to moderate from Monday night on.

$$

PMZ151>154-240830-
MARIANAS COASTAL WATERS-
454 AM ChST Sun Aug 24 2025

.TODAY...East wind 10 kt. Seas around 3 ft. Wave Detail: East
2 ft at 4 seconds and east 2 ft at 8 seconds. Scattered showers
with isolated thunderstorms this afternoon.
.TONIGHT...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. Scattered
showers with isolated thunderstorms.
.MONDAY...East wind 10 kt. Seas 3 to 4 ft. Wave Detail: East 3 ft
at 8 seconds and east 2 ft at 4 seconds. Scattered showers with
isolated thunderstorms.
.MONDAY NIGHT...East wind 10 to 15 kt. Seas 3 to 4 ft. Wave
Detail: East 3 ft at 8 seconds and east 2 ft at 4 seconds. A
slight chance of thunderstorms.
.TUESDAY THROUGH THURSDAY...East wind 5 to 15 kt. Seas 3 to 5 ft.
Wave Detail: East 4 ft at 8 seconds and southeast 3 ft at
4 seconds. A chance of showers with a slight chance of
thunderstorms.

$$