295
FZMY50 PGUM 231624
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
224 AM ChST Mon Nov 24 2025

Marianas Waters out to 40 nautical miles

PMZ150-240800-
224 AM ChST Mon Nov 24 2025

.Synopsis for Marianas Waters...
Moderate to fresh trade winds will prevail across the region today,
gradually diminishing thereafter, becoming gentle to moderate
through the latter half of the week. Combined seas of 7 to 9 feet
will gradually decrease by 1 to 2 feet toward the end of the week,
as the elevated trade swell and wind waves continue to become
more relaxed. Although sea conditions remain below levels
hazardous to small craft, seas will remain choppy for the next few
days, especially over eastern coastal waters.

$$

PMZ151>154-240800-
MARIANAS COASTAL WATERS-
224 AM ChST Mon Nov 24 2025

.TODAY...East wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail:
East 8 ft at 9 seconds and east 4 ft at 6 seconds.
.TONIGHT...East wind 15 to 20 kt. Seas 7 to 9 ft. Wave Detail:
East 8 ft at 9 seconds and east 4 ft at 6 seconds.
.TUESDAY...East wind 15 kt. Seas 6 to 8 ft. Wave Detail: East
7 ft at 9 seconds and east 3 ft at 5 seconds.
.TUESDAY NIGHT...East wind 15 kt. Seas 6 to 8 ft. Wave Detail:
East 7 ft at 9 seconds and east 3 ft at 5 seconds.
.WEDNESDAY...East wind 10 to 15 kt. Seas 6 to 8 ft. Wave Detail:
East 7 ft at 9 seconds and east 3 ft at 5 seconds.
.THURSDAY THROUGH FRIDAY...East wind 10 to 15 kt. Seas 5 to 7 ft.
Wave Detail: East 6 ft at 9 seconds and east 3 ft at 4 seconds. A
slight chance of thunderstorms.

$$