471
FZMY50 PGUM 150600
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 PM ChST Sat Nov 15 2025

Marianas Waters out to 40 nautical miles

PMZ150-152100-
400 PM ChST Sat Nov 15 2025

.Synopsis for Marianas Waters...
Moderate to fresh trade winds are expected through end of the coming
week. Combined seas of 5 to 7 feet are expected to begin to build by
Tuesday, reaching 7 to 9 feet Thursday. Both seas and winds could
increase further Friday into the weekend.

$$

PMZ151>154-152100-
MARIANAS COASTAL WATERS-
400 PM ChST Sat Nov 15 2025

.TONIGHT...East wind 15 to 20 kt. Seas 5 to 7 ft. Wave Detail:
East 6 ft at 8 seconds and east 4 ft at 4 seconds.
.SUNDAY THROUGH MONDAY NIGHT...East wind 15 to 20 kt. Seas 5 to 7
ft. Wave Detail: East 6 ft at 8 seconds and east 4 ft at 5 seconds.
.TUESDAY AND WEDNESDAY...East wind 15 to 20 kt. Seas 6 to 8 ft.
Wave Detail: East 7 ft at 8 seconds and east 4 ft at 5 seconds.
.THURSDAY...East wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail: East
8 ft at 9 seconds and east 4 ft at 5 seconds.

$$