188
FZMY50 PGUM 010600
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 PM ChST Mon Sep 1 2025

Marianas Waters out to 40 nautical miles

PMZ150-012030-
400 PM ChST Mon Sep 1 2025

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

$$

PMZ151>154-012030-
MARIANAS COASTAL WATERS-
400 PM ChST Mon Sep 1 2025

.TONIGHT...Northeast wind 5 to 15 kt. Seas around 4 ft. Wave
Detail: Southeast 3 ft at 8 seconds and northeast 3 ft at
4 seconds. Scattered showers with isolated thunderstorms.
.TUESDAY...East wind 10 to 15 kt. Seas 3 to 5 ft. Wave Detail:
East 3 ft at 4 seconds and east 3 ft at 8 seconds. Scattered
showers with isolated thunderstorms.
.TUESDAY NIGHT...Southeast wind 5 to 15 kt. Seas 3 to 5 ft. Wave
Detail: East 4 ft at 8 seconds and southeast 3 ft at 4 seconds.
Scattered showers with isolated thunderstorms.
.WEDNESDAY...Southeast wind 5 to 10 kt. Seas around 4 ft. Wave
Detail: East 4 ft at 8 seconds and southeast 2 ft at 4 seconds.
Isolated thunderstorms.
.WEDNESDAY NIGHT...Southeast wind 5 to 10 kt. Seas around 4 ft.
Wave Detail: East 4 ft at 8 seconds and southeast 2 ft at
4 seconds.
.THURSDAY THROUGH SATURDAY...East wind 5 to 10 kt. Seas 3 to
4 ft. Wave Detail: Northeast 4 ft at 8 seconds and east 2 ft at
4 seconds.

$$