Coastal Waters Forecast
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116
FZMY50 PGUM 202005
CWFMY

Coastal Waters Forecast for the Mariana Islands
National Weather Service Tiyan GU
605 AM ChST Thu Feb 21 2019

Marianas Waters out to 40 nautical miles

PMZ150-210900-
605 AM ChST Thu Feb 21 2019

.Synopsis for Marianas Waters...Fresh to strong northeast winds will
persist through Friday, then increase further over the weekend.
Combined seas of 9 to 11 feet will build to between 10 and 12 feet
Friday. Winds and seas will increase further over the weekend as
Tropical Storm Wutip passes south of Guam.

$$

PMZ151-152-210900-
Guam Coastal Waters-Rota Coastal Waters-
605 AM ChST Thu Feb 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TODAY...Northeast wind 15 to 25 kt. Wind waves 5 to 6 ft. East
swell 6 to 8 ft.
.TONIGHT...Northeast wind 15 to 25 kt. Wind waves 5 to 7 ft. East
swell 6 to 8 ft.
.FRIDAY...Northeast wind 20 to 25 kt. Wind waves 7 to 8 ft.
Southeast swell 5 to 7 ft and northeast 5 ft.
.FRIDAY NIGHT...Northeast wind 30 kt with gusts to 40 kt. Wind
waves 7 to 9 ft. Southeast swell 5 to 7 ft and northeast 5 ft.
Isolated thunderstorms.
.SATURDAY...East tropical storm force wind possible with winds to
40 kt with gusts to 50 kt. Combined seas 13 to 15 ft. Scattered
showers and isolated thunderstorms.
.SUNDAY...Southeast tropical storm force wind to 40 kt. Combined
seas 14 to 15 ft. Numerous showers and isolated thunderstorms.
.MONDAY...South wind 30 kt with gusts to 40 kt. Wind waves 9 to
11 ft. Southwest swell 10 to 12 ft and east 3 to 4 ft. Scattered
showers and isolated thunderstorms.

$$

PMZ153-154-210900-
Tinian Coastal Waters-Saipan Coastal Waters-
605 AM ChST Thu Feb 21 2019

...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON...

.TODAY...Northeast wind 15 to 25 kt. Wind waves 5 to 6 ft. East
swell 5 to 7 ft.
.TONIGHT...Northeast wind 15 to 25 kt. Wind waves 5 to 6 ft. East
swell 6 to 8 ft.
.FRIDAY...Northeast wind 20 to 25 kt. Wind waves 6 to 7 ft.
Southeast swell 3 to 5 ft and northeast 5 ft.
.FRIDAY NIGHT...East wind 20 to 25 kt. Wind waves 6 to 7 ft.
Southeast swell 3 to 4 ft and northeast 5 ft. Isolated
thunderstorms.
.SATURDAY...East wind 20 to 25 kt with gusts to 35 kt. Wind waves
6 to 8 ft. Mixed swell south 7 to 9 ft and northeast 5 ft.
Scattered showers and isolated thunderstorms.
.SUNDAY...East wind 30 kt. Wind waves 7 to 8 ft. South swell 8 to
10 ft and east 4 to 5 ft. Numerous showers and isolated
thunderstorms.
.MONDAY...Southeast wind 30 kt with gusts to 40 kt. Wind waves
8 to 9 ft. Southwest swell 9 to 11 ft and east 3 to 4 ft.
Scattered showers and isolated thunderstorms.

$$



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