736
FZMY50 PGUM 310600
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 PM ChST Sun Aug 31 2025

Marianas Waters out to 40 nautical miles

PMZ150-312145-
400 PM ChST Sun Aug 31 2025

.Synopsis for Marianas Waters...Light to gentle winds are expected
over the next few days. Then near the middle of the week winds
are anticipated to become light to moderate and falling back to
light to gentle for the weekend. Combined seas of 3 to 5 feet are
expected to gradually fall over the week to near 3 feet by the
weekend.

$$

PMZ151>154-312145-
MARIANAS COASTAL WATERS-
400 PM ChST Sun Aug 31 2025

.TONIGHT...Southeast wind 5 to 10 kt. Seas around 3 ft. Wave
Detail: Southeast 3 ft at 8 seconds and southeast 2 ft at
4 seconds.
.MONDAY...East wind 5 to 10 kt. Seas around 3 ft. Wave Detail:
South 3 ft at 8 seconds and east 2 ft at 4 seconds.
.MONDAY NIGHT...Northeast wind 5 to 15 kt. Seas 3 to 4 ft. Wave
Detail: Northeast 3 ft at 4 seconds and south 2 ft at 8 seconds.
Scattered showers with isolated thunderstorms.
.TUESDAY...East wind 10 to 15 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 4 seconds and southeast 2 ft at 8 seconds. Scattered
showers with isolated thunderstorms.
.TUESDAY NIGHT...Southeast wind 5 to 15 kt. Seas 3 to 4 ft. Wave
Detail: Southeast 2 ft at 4 seconds and south 3 ft at 8 seconds.
Numerous showers with isolated thunderstorms.
.WEDNESDAY THROUGH THURSDAY...East wind 5 to 15 kt. Seas around
3 ft. Wave Detail: East 3 ft at 8 seconds and southeast 2 ft at
4 seconds. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY...East wind 5 to 10 kt. Seas around 3 ft. Wave Detail:
East 2 ft at 8 seconds and east 2 ft at 4 seconds. A slight
chance of thunderstorms.

$$