Coastal Waters Forecast
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FZHW51 PHFO 231334
CWFHI1

Generalized Statewide Coastal Waters Forecast for Hawaii
National Weather Service Honolulu HI
334 AM HST Mon Oct 23 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 tonight 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-

.TODAY...South winds 10 to 20 knots. Wind waves 3 to 5 feet.
Northwest swell 7 feet. Haze. Heavy showers likely and isolated
thunderstorms.
.TONIGHT...South winds near the Big Island, west winds over the
central waters, and north wind near Kauai, 10 to 20 knots. Wind
waves 4 to 6 feet. Northwest swell 6 feet, building to 9 feet
after midnight. Haze. Occasional heavy showers and isolated
thunderstorms.
.TUESDAY AND TUESDAY NIGHT...North winds 15 to 20 knots. Wind
waves 4 to 7 feet. Northwest swell 10 to 12 feet. South swell 3
feet. Haze. Scattered heavy showers and isolated thunderstorms
during the day, scattered showers at night.
.WEDNESDAY AND WEDNESDAY NIGHT...North to northeast winds 10 to
15 knots. Wind waves 3 to 5 feet. Northwest swell 10 feet. 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 11 to 13 feet. Isolated showers.

$$



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