280
FZMY50 PGUM 040635 CCA
CWFGUM

Coastal Waters Forecast for the Mariana Islands...CORRECTED
National Weather Service Tiyan GU
435 PM ChST Thu Sep 4 2025

Marianas Waters out to 40 nautical miles

PMZ150-042200-
435 PM ChST Thu Sep 4 2025

.Synopsis for Marianas Waters...Light to moderate winds will
persist tonight, then becoming light to gentle. Seas of 3 to 4
feet could diminish slightly to between 2 and 3 feet over the
weekend. Passing trade-wind troughs will bring periods of
scattered showers and isolated thunderstorms through the
weekend.

$$

PMZ151>154-042200-
MARIANAS COASTAL WATERS-
435 PM ChST Thu Sep 4 2025

.TONIGHT...East wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 4 seconds, east 2 ft at 8 seconds and north 2 ft at
11 seconds. Scattered showers with isolated thunderstorms.
.FRIDAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: East
3 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft at 10
seconds. Scattered showers with isolated thunderstorms.
.FRIDAY NIGHT...East wind 10 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft at
10 seconds. Scattered showers and isolated thunderstorms.
.SATURDAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft at
10 seconds. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...Northeast to east wind 5 to 10 kt. Seas around
3 ft. Wave Detail: East 2 ft at 8 seconds, northeast 2 ft at 4
seconds and north 2 ft at 10 seconds. Scattered showers and
isolated thunderstorms.
.SUNDAY THROUGH MONDAY...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.
.TUESDAY...East wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 4 seconds, east 2 ft at 8 seconds and north 2 ft at
13 seconds.

$$