Coastal Waters Forecast
Issued by NWS

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000
FZHW51 PHFO 230726
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
926 PM HST Sun Oct 22 2017

.Synopsis for Hawaiian coastal waters...
A front northwest of the area is moving southeastward toward the
main Hawaiian Islands. The front is expected to start affecting
Kauai waters Monday night and will sweep across the island chain,
reaching the Big Island waters on Tuesday. Thunderstorms will be
possible ahead of and along the front. A large northwest swell
will move into the area starting Tuesday. A new high will build
far northwest of the area by the middle of the week.

$$

Hawaiian waters within 40 nautical miles including the channels-

.REST OF TONIGHT...Variable less than 10 knots. Wind waves 3 to 5
feet. Northwest swell 7 feet. Haze. Scattered showers.
.MONDAY...South winds 10 to 20 knots. Wind waves 3 to 6 feet.
Northwest swell 7 feet. South swell 3 feet. Haze. Heavy showers
likely and isolated thunderstorms.
.MONDAY NIGHT...West winds 10 to 20 knots. Wind waves 4 to
8 feet. Northwest swell 7 feet, building to 10 feet after
midnight. Swell south 3 feet. Haze. Occasional heavy showers and
isolated thunderstorms.
.TUESDAY...North winds 15 to 20 knots. Wind waves 4 to 7 feet.
Northwest swell 12 feet and south swell 3 feet. Haze. Scattered
heavy showers and isolated thunderstorms.
.TUESDAY NIGHT...North winds 15 knots. Wind waves 3 to 5 feet.
Northwest swell 12 feet and south swell 3 feet. Haze. Scattered
showers.
.WEDNESDAY AND WEDNESDAY NIGHT...North winds 10 to 15 knots. Wind
waves 3 to 5 feet. Northwest swell 11 feet becoming 9 feet
Wednesday night, and south swell 3 feet. Scattered showers.
.THURSDAY...Northeast winds 10 to 20 knots. Wind waves 3 to
5 feet. Northwest swell 8 to 10 feet. Isolated showers.
.FRIDAY...Northeast winds 10 to 15 knots. Wind waves 3 to 4 feet.
Northwest swell 10 to 12 feet. Isolated showers.

$$





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