451
FZMY50 PGUM 120600
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 PM ChST Wed Nov 12 2025

Marianas Waters out to 40 nautical miles

PMZ150-122130-
400 PM ChST Wed Nov 12 2025

.Synopsis for Marianas Waters...
Gentle to moderate trade winds are expected to prevail through
Thursday night, and will become fresh for the weekend and
beginning of next week. Combined seas of 5 to 6 feet will
gradually subside over the next couple of days, before building
again near the end of the week. Seas should increase to between 6
and 7 feet Friday into the weekend.

$$

PMZ151>154-122130-
MARIANAS COASTAL WATERS-
400 PM ChST Wed Nov 12 2025

.TONIGHT...East wind 10 to 15 kt. Seas 5 to 6 ft. Wave Detail:
East 5 ft at 10 seconds, east 3 ft at 5 seconds and north 3 ft at
12 seconds.
.THURSDAY...East wind 10 to 15 kt. Seas around 5 ft. Wave Detail:
East 4 ft at 8 seconds, east 3 ft at 4 seconds and north 2 ft at
11 seconds.
.THURSDAY NIGHT...East wind 10 to 15 kt. Seas 5 ft. Wave Detail:
East 4 ft at 8 seconds, east 3 ft at 4 seconds and north 2 ft at
11 seconds.
.FRIDAY...East wind 10 kt. Seas around 5 to 6 ft. Wave Detail:
East 6 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft at
11 seconds.
.FRIDAY NIGHT...East wind 10 to 15 kt. Seas around 6 to 7 ft.
Wave Detail: Northeast 6 ft at 8 seconds and east 3 ft at 4
seconds.
.SATURDAY THROUGH MONDAY...East wind 15 to 20 kt. Seas 6 to 7 ft.
Wave Detail: East 6 ft at 8 seconds and east 4 ft at 4 seconds.

$$