043
FZMY50 PGUM 060418
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
218 PM ChST Sat Dec 6 2025

Marianas Waters out to 40 nautical miles

PMZ150-070000-
218 PM ChST Sat Dec 6 2025

.Synopsis for Marianas Waters...
Gentle to moderate trades will prevail the next several days.
Combined seas of 6 to 8 feet are expected to taper down a foot by
Sunday night, as the seasonal trade swell and secondary northeasterly
swell weaken slightly.

$$

PMZ151>154-070000-
MARIANAS COASTAL WATERS-
218 PM ChST Sat Dec 6 2025

.TONIGHT...East wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail:
East 5 ft at 10 seconds, north 4 ft at 10 seconds, northeast 3 ft
at 12 seconds and east 3 ft at 4 seconds.
.SUNDAY...East wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail:
East 5 ft at 10 seconds, north 4 ft at 10 seconds, northeast 3 ft
at 12 seconds and east 3 ft at 4 seconds.
.SUNDAY NIGHT...Northeast wind 10 kt. Seas 5 to 7 ft. Wave
Detail: East 4 ft at 9 seconds, north 3 ft at 10 seconds,
northeast 3 ft at 12 seconds and northeast 2 ft at 4 seconds.
.MONDAY...East wind 10 kt. Seas 5 to 7 ft. Wave Detail: East 4 ft
at 9 seconds, north 3 ft at 10 seconds, northeast 2 ft at 4
seconds and northeast 2 ft at 12 seconds.
.MONDAY NIGHT...East wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail:
East 4 ft at 9 seconds, north 4 ft at 10 seconds, east 3 ft at 4
seconds and northeast 2 ft at 12 seconds.
.TUESDAY THROUGH THURSDAY...East wind 10 to 15 kt. Seas 6 to 8 ft.
Wave Detail: East 5 ft at 9 seconds, north 4 ft at 10 seconds and
east 3 ft at 4 seconds.

$$