Coastal Waters Forecast
Issued by NWS

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FZHW51 PHFO 211927
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
927 AM HST Mon Aug 21 2017

.Synopsis for Hawaiian coastal waters...
A weak cold front far to the north has weakened the subtropical
ridge of high pressure. As the front moves east, high pressure
will rebuild north of the area on Tuesday and strengthen the trade
winds. An upper level low will produce unstable conditions over
the western waters through Tuesday.

$$

Hawaiian waters within 40 nautical miles including the channels-

.TODAY THROUGH TONIGHT...East winds 15 to 20 knots. Wind waves 4
to 6 feet. East swell 3 feet. Scattered heavy showers and slight
chance of thunderstorms.
.TUESDAY THROUGH TUESDAY NIGHT...East winds 15 to 25 knots. Wind
waves 4 to 6 feet. East swell 3 feet. Scattered heavy showers.
.WEDNESDAY THROUGH WEDNESDAY NIGHT...East winds 15 to 25 knots.
Wind waves 5 to 9 feet. Southeast swell 3 feet and east 5 feet.
Scattered showers.
.THURSDAY THROUGH FRIDAY...East winds 15 to 25 knots. Wind waves
6 to 9 feet. Southeast swell 3 feet and east 4 feet. Isolated
showers.

$$




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