864
FZMY50 PGUM 181815
CWFGUM

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
415 AM ChST Fri Jul 19 2024

Marianas Waters out to 40 nautical miles

PMZ150-190800-
415 AM ChST Fri Jul 19 2024

.Synopsis for Marianas Waters...A surface trough has moved just west
overnight but a moist flow persists over the Marianas. Also, the
monsoon trough to our south is expected to lift northward, bringing
additional rounds of showers through at least Friday night. Winds
will become moderate to fresh today with gusts to around 25 kt near
showers. Combined sea of 4 to 7 feet will be choppy at times with a
weak secondary swell arriving from southwest.

$$

PMZ151>154-190800-
MARIANAS COASTAL WATERS-
415 AM ChST Fri Jul 19 2024

.TODAY...East wind 10 to 20 kt with gusts to 25 kt near showers.
Wind waves 3 to 5 ft. Mixed swell east 3 to 5 ft and southwest 2 ft.
Scattered showers and isolated thunderstorms.
.TONIGHT...Southeast wind 10 to 20 kt. Wind waves 3 to 4 ft. East
swell 4 to 5 ft. Scattered showers and isolated thunderstorms.
.SATURDAY AND SATURDAY NIGHT...East wind 10 to 15 kt. Wind waves 2
to 3 ft. East swell 3 to 5 ft.
.SUNDAY...East wind 10 to 15 kt. Wind waves 2 to 3 ft. East swell 3
to 4 ft. Chance of showers and slight chance of thunderstorms.
.MONDAY AND TUESDAY...East wind 5 to 10 kt. Wind waves 2 ft or less.
East swell 3 to 4 ft. Chance of showers and slight chance of
thunderstorms.

$$

Simpson