Coastal Waters Forecast
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000
FZMY50 PGUM 170708
CWFMY

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
500 PM ChST Tue Oct 17 2017

Marianas Waters out to 40 nautical miles

PMZ150-172100-
500 PM ChST Tue Oct 17 2017

.Synopsis for Marianas Waters...Combined seas of 5 to 7 feet will
persist through Wednesday night. Starting Thursday, swell from
distant Tropical Storm Lan will affect the area, bringing in
higher combined seas. The monsoon trough will bring scattered
showers and isolated thunderstorms through at least Thursday
night.

$$

PMZ151-152-172100-
Guam Coastal Waters-Rota Coastal Waters-
500 PM ChST Tue Oct 17 2017

.TONIGHT...Southwest wind 10 to 20 kt. Wind waves 2 to 4 ft.
Northeast swell 3 to 5 ft. Scattered showers and isolated
thunderstorms.
.WEDNESDAY...Southwest wind 10 to 20 kt. Wind waves 2 to 4 ft.
Northeast swell 4 to 6 ft. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...Southwest wind 10 kt. Wind waves 2 ft or less.
Northeast swell 5 to 7 ft and west 3 ft. Scattered showers and
isolated thunderstorms.
.THURSDAY...West wind 10 kt. Wind waves 2 ft or less. Southwest
swell 7 to 9 ft and east 3 ft. Scattered showers and isolated
thunderstorms.
.THURSDAY NIGHT...Southwest wind 10 kt. Wind waves 2 ft or less.
West swell 9 to 11 ft and east 3 ft. Scattered showers and
isolated thunderstorms.
.FRIDAY...Southeast wind 10 kt. Wind waves 2 ft or less. West
swell 8 to 10 ft and northeast 3 to 4 ft. Isolated thunderstorms.
.SATURDAY...South wind 5 kt. Wind waves 2 ft or less. West swell
7 to 9 ft and northeast 4 ft. Isolated thunderstorms.
.SUNDAY...South wind 5 kt. Wind waves 2 ft or less. West swell
8 to 10 ft and northeast 4 ft. Isolated thunderstorms.

$$

PMZ153-154-172100-
Tinian Coastal Waters-Saipan Coastal Waters-
500 PM ChST Tue Oct 17 2017

.TONIGHT...Southeast wind 10 to 15 kt. Wind waves 2 to 3 ft. East
swell 4 to 6 ft. Scattered showers and isolated thunderstorms.
.WEDNESDAY...West wind 10 to 20 kt. Wind waves 2 to 4 ft.
Northeast swell 3 to 5 ft. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...West wind 10 to 20 kt. Wind waves 2 to 4 ft.
Mixed swell northeast 5 ft and west 3 ft. Scattered showers and
isolated thunderstorms.
.THURSDAY...West wind 10 to 15 kt. Wind waves 2 to 3 ft.
Southwest swell 6 to 8 ft and east 3 to 4 ft. Scattered showers
and isolated thunderstorms.
.THURSDAY NIGHT...Northwest wind 10 kt. Wind waves 2 ft or less.
West swell 8 to 10 ft and east 3 to 4 ft. Scattered showers and
isolated thunderstorms.
.FRIDAY...Southeast wind 5 kt. Wind waves 2 ft or less. West
swell 8 to 10 ft and northeast 3 to 4 ft. Isolated thunderstorms.
.SATURDAY...South wind 10 kt. Wind waves 2 ft or less. West swell
8 to 10 ft and northeast 3 to 4 ft. Isolated thunderstorms.
.SUNDAY...Southeast wind 5 kt. Wind waves 2 ft or less. West
swell 9 to 11 ft and northeast 3 to 4 ft. Isolated thunderstorms.

$$



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