118
FZMY50 PGUM 241800
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 AM ChST Sun May 25 2025

Marianas Waters out to 40 nautical miles

PMZ150-250930-
400 AM ChST Sun May 25 2025

.Synopsis for Marianas Waters...Light to gentle trades and combined
seas of 3 to 4 feet will prevail through the week.

$$

PMZ151-152-250930-
Guam Coastal Waters-Rota Coastal Waters-
400 AM ChST Sun May 25 2025

.TODAY...East wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail: East
4 ft at 8 seconds and east 2 ft at 4 seconds.
.TONIGHT...Southeast wind 5 to 10 kt. Seas 3 to 4 ft. Wave Detail:
East 4 ft at 8 seconds and east 2 ft at 4 seconds.
.MONDAY...East wind 5 kt. Seas 3 to 4 ft. Wave Detail: East 4 ft
at 8 seconds. Scattered showers and isolated thunderstorms for
Guam.
.MONDAY NIGHT...East wind 10 kt. Seas 3 to 4 ft. Wave Detail:
East 3 ft at 8 seconds and east 2 ft at 4 seconds. Scattered
showers.
.TUESDAY...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. Scattered
showers and isolated thunderstorms.
.WEDNESDAY AND THURSDAY...East wind 5 to 10 kt. Seas 3 to 4 ft.
Wave Detail: East 4 ft at 8 seconds and east 2 ft at 4 seconds.

$$

PMZ153-154-250930-
Tinian Coastal Waters-Saipan Coastal Waters-
400 AM ChST Sun May 25 2025

.TODAY...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. Scattered showers
and isolated thunderstorms late morning.
.TONIGHT...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 and isolated thunderstorms.
.MONDAY...Southeast wind 5 kt. Seas around 3 to 4 ft. Wave
Detail: East 4 ft at 8 seconds. Scattered showers.
.MONDAY NIGHT...East wind 5 kt. Seas 3 to 4 ft. Wave Detail: East
4 ft at 8 seconds. Scattered showers.
.TUESDAY...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. Scattered
showers.
.WEDNESDAY AND THURSDAY...East wind 5 to 10 kt. Seas 3 to 4 ft.
Wave Detail: East 4 ft at 8 seconds and east 2 ft at 4 seconds.

$$