Coastal Waters Forecast
Issued by NWS Tiyan, Guam

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572
FZMY50 PGUM 190658
CWFGUM

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

Marianas Waters out to 40 nautical miles

PMZ150-192200-
458 PM ChST Fri Jul 19 2024

.Synopsis for Marianas Waters...The monsoon trough is pulling
northward, but most of the showers and thunderstorms are currently
developing west and south the coastal waters of the Marianas. Next
main potential for scattered showers and isolated thundestorms is
expected Sunday when a trade-wind trough, currently well east of the
Marianas, is expected to move into the Marianas. Combined seas of 4
to 7 feet are expected, with a weak secondary southwest swell through
at least Monday.


$$

PMZ151>154-192200-
MARIANAS COASTAL WATERS-
458 PM ChST Fri Jul 19 2024

.TONIGHT...Southeast wind 10 to 15 kt. Wind waves 2 to 3 ft. East
swell 4 to 5 ft and southwest swell 2 ft. Scattered showers and
isolated thunderstorms mainly for southern Guam waters.
.SATURDAY AND SATURDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to
3 ft. East swell 4 to 5 ft and southwest swell 2 ft.
.SUNDAY AND SUNDAY NIGHT...East wind 10 to 15 kt. Wind waves 2 to 3
ft. East swell 4 ft and southwest swell 2 to 3 ft. Scattered showers
and isolated thunderstorms.
.MONDAY...East wind 5 to 10 kt. Wind waves 2 ft or less. East swell
3 to 5 ft and southwest swell 2 ft. Chance of showers and slight
chance of thunderstorms.
.TUESDAY AND WEDNESDAY...East wind 10 kt. Wind waves 2 ft or less.
East swell 3 to 4 ft. Chance of showers and slight chance of
thunderstorms.

$$