548
FZMY50 PGUM 131852
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
452 AM ChST Fri Nov 14 2025

Marianas Waters out to 40 nautical miles

PMZ150-140815-
452 AM ChST Fri Nov 14 2025

.Synopsis for Marianas Waters...
Gentle to moderate trade winds will prevail through tonight, to
then become moderate to fresh for the weekend as trade winds
strengthen. Combined seas of 4 to 5 feet are expected to persist
through tonight, before slowly increasing thereafter as trade
swell and winds pick up.

$$

PMZ151>154-140815-
MARIANAS COASTAL WATERS-
452 AM ChST Fri Nov 14 2025

.TODAY...East wind 10 kt. Seas around 5 ft. Wave Detail: East
4 ft at 8 seconds, east 2 ft at 4 seconds and north 2 ft at
11 seconds.
.TONIGHT...East wind 10 to 15 kt. Seas around 5 ft. Wave Detail:
East 4 ft at 8 seconds and east 3 ft at 4 seconds.
.SATURDAY...East wind 15 kt. Seas 4 to 6 ft. Wave Detail: East
5 ft at 9 seconds and east 3 ft at 5 seconds.
.SATURDAY NIGHT...East wind 15 to 20 kt. Seas 5 to 6 ft. Wave
Detail: East 5 ft at 7 seconds. Scattered showers.
.SUNDAY THROUGH TUESDAY...East wind 15 to 20 kt. Seas 5 to 7 ft.
Wave Detail: East 6 ft at 7 seconds.

$$