212
FZMY50 PGUM 040608
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
408 PM ChST Wed Jun 4 2025

Marianas Waters out to 40 nautical miles

PMZ150-042245-
408 PM ChST Wed Jun 4 2025

.Synopsis for Marianas Waters...Gentle to moderate trades will
prevail for much of this week, except near showers and
thunderstorms, where fresh to strong gusts will be possible.
Combined seas of 4 to 5 feet will persist the next few days,
dropping a foot during the weekend.

$$

PMZ151-152-042245-
Guam Coastal Waters-Rota Coastal Waters-
408 PM ChST Wed Jun 4 2025

.TONIGHT...Southeast wind 10 kt. Seas 3 to 5 ft. Wave Detail:
East 4 ft at 8 seconds and southeast 2 ft at 4 seconds. Scattered
showers this evening. Isolated thunderstorms.
.THURSDAY...Southeast wind 10 kt. Seas around 4 ft. Wave Detail:
East 4 ft at 8 seconds and southeast 2 ft at 4 seconds. Scattered
showers with isolated thunderstorms.
.THURSDAY NIGHT...Southeast wind 10 to 15 kt. Seas around 4 ft.
Wave Detail: East 4 ft at 8 seconds and southeast 3 ft at 4
seconds. Scattered showers with isolated thunderstorms.
.FRIDAY...Southeast wind 10 to 15 kt. Seas around 4 ft. Wave
Detail: East 3 ft at 8 seconds and southeast 3 ft at 4 seconds.
Scattered showers with isolated thunderstorms.
.FRIDAY NIGHT...Southeast wind 10 to 15 kt. Gusts to 25 kt
possible near heavier showers. Seas around 4 ft. Wave Detail:
East 3 ft at 8 seconds and southeast 3 ft at 4 seconds. Numerous
showers with isolated thunderstorms.
.SATURDAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
East 4 ft at 8 seconds and southeast 2 ft at 4 seconds. Scattered
showers with a slight chance of thunderstorms.
.SUNDAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: East
3 ft at 8 seconds and east 2 ft at 4 seconds. A slight chance of
thunderstorms.
.MONDAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: East
3 ft at 8 seconds and east 2 ft at 4 seconds.

$$

PMZ153-154-042245-
Tinian Coastal Waters-Saipan Coastal Waters-
408 PM ChST Wed Jun 4 2025

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

$$