875
FZMY50 PGUM 111800
CWFGUM

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

Marianas Waters out to 40 nautical miles

PMZ150-120900-
400 AM ChST Wed Nov 12 2025

.Synopsis for Marianas Waters...
Gentle to moderate trade winds are expected to prevail through
the weekend. Combined seas of 5 to 7 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>154-120900-
MARIANAS COASTAL WATERS-
400 AM ChST Wed Nov 12 2025

.TODAY...East wind 10 to 15 kt. Seas 5 to 7 ft. Wave Detail:
East 4 ft at 9 seconds, north 4 ft at 12 seconds and east 3 ft at
4 seconds.
.TONIGHT...East wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail:
East 4 ft at 8 seconds, east 3 ft at 4 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 around 5 ft. Wave
Detail: East 4 ft at 8 seconds, east 3 ft at 4 seconds and north
2 ft at 11 seconds.
.FRIDAY AND SATURDAY...East wind 10 to 15 kt. Seas 6 to 7 ft.
Wave Detail: Northeast 6 ft at 8 seconds and east 3 ft at 4
seconds.
.SUNDAY...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.

$$