763
FZMY50 PGUM 061800
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
400 AM ChST Mon Jul 7 2025

Marianas Waters out to 40 nautical miles

PMZ150-070945-
400 AM ChST Mon Jul 7 2025

.Synopsis for Marianas Waters...Gentle to moderate southwesterlies
will prevail the next few days. Winds will slowly pick up in the
first half of the week as the high pressure ridge shifts east and
the southerly flow increases, with winds becoming gentle to
moderate on Tuesday, then decreasing slightly beginning Wednesday.
Combined seas of around 3 feet are expected for most of the week,
possibly increasing late week or the weekend as a west-northwest
swell emanating from a distant tropical disturbance to our
northwest arrives.

$$

PMZ151>154-070945-
MARIANAS COASTAL WATERS-
400 AM ChST Mon Jul 7 2025

.TODAY...Southwest wind 5 to 10 kt. Seas around 3 ft. Wave
Detail: East 3 ft at 8 seconds and southwest 2 ft at 4 seconds.
Scattered showers and thunderstorms.
.TONIGHT...Southwest wind 5 to 15 kt with gusts to 25 kt near
heavier showers. Seas 3 to 4 ft. Wave Detail: East 3 ft at 8
seconds and southwest 3 ft at 5 seconds. Scattered showers with
isolated thunderstorms.
.TUESDAY...South wind 5 to 15 kt. Seas around 3 ft. Wave Detail:
South 3 ft at 5 seconds and east 2 ft at 8 seconds. Scattered
showers with isolated thunderstorms.
.TUESDAY NIGHT...South wind 10 to 15 kt. Seas around 3 ft. Wave
Detail: South 3 ft at 5 seconds and east 2 ft at 8 seconds.
Scattered showers with isolated thunderstorms.
.WEDNESDAY THROUGH FRIDAY...Southeast wind 5 to 10 kt. Seas
around 3 ft. Wave Detail: East 3 ft at 8 seconds and southeast 2
ft at 4 seconds. Scattered showers with a slight chance of
thunderstorms.

$$