812
FZMY50 PGUM 240747 CCA
CWFGUM

Coastal Waters Forecast for the Mariana Islands...CORRECTED
National Weather Service Tiyan GU
Issued by National Weather Service Honolulu HI
547 PM ChST Tue Jun 24 2025

Marianas Waters out to 40 nautical miles

PMZ150-242100-
547 PM ChST Tue Jun 24 2025

.Synopsis for Marianas Waters...Gentle to moderate east to southeast
winds shift south to southwest this weekend. Winds may brush up to
fresh levels late Wednesday. Increasing showers and thunderstorms are
expected Wednesday night through the weekend. Combined seas of 4 to
5 feet may reach 7 feet Wednesday night before easing back to between
4 and 6 feet.

$$

PMZ151>154-242100-
MARIANAS COASTAL WATERS-
547 PM ChST Tue Jun 24 2025

Corrected Friday through Sunday winds

.TONIGHT...East to northeast wind 10 to 15 kt. Seas 4 to 5 ft. Wave
Detail: East 3 ft at 8 seconds. Scattered showers with isolated
thunderstorms.
.WEDNESDAY...East to southeast wind 15 kt. Seas 4 to 6 ft. Wave
Detail: East 3 to 4 ft at 8 seconds and southeast 2 ft at 4 seconds.
Scattered showers with isolated thunderstorms.
.WEDNESDAY NIGHT...Southeast wind 15 to 20 kt. Seas 5 to 7 ft. Wave
Detail: East 4 to 5 ft at 8 seconds and southeast 2 ft at 4 seconds.
Scattered showers with isolated thunderstorms.
.THURSDAY...Southeast wind 10 to 15 kt. Seas 4 to 6 ft. Wave Detail:
East 4 ft at 8 seconds and south 2 ft at 4 seconds. Numerous showers
with isolated thunderstorms.
.THURSDAY NIGHT...East to southeast wind 10 to 15 kt. Seas 4 to 5 ft.
Wave Detail: East 3 to 4 ft at 8 seconds and southeast 2 ft at 4
seconds. Numerous showers with isolated thunderstorms.
.FRIDAY THROUGH SUNDAY...Southeast 10 to 15 kt shifting south to
southwest. Seas 4 to 5 ft. Wave Detail: East 3 ft at 8 seconds and
southwest 3 ft at 5 seconds. Locally heavy showers likely with a
slight chance of thunderstorms.

$$