National Weather Service United States Department of Commerce

SYNOPSIS FOR HAWAIIAN COASTAL WATERS
Sep 23, 2018 9:30 am HST

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Synopsis for Hawaiian coastal waters:
An area of low pressure far northwest of Kauai will gradually move northeast and east through the middle of the week. Surface winds will then weaken and shift to the southeast today and become more southerly beginning Monday night.


Kauai Northwest Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 15 knots. Wind waves 4 feet. Isolated showers through the day.

TONIGHT:
Southeast winds 15 knots. Wind waves 4 feet. Scattered showers.

MONDAY:
Southeast winds 15 knots. Wind waves 4 feet. Scattered showers.

MONDAY NIGHT:
South winds 15 knots. Wind waves 4 feet. Occasional showers.

TUESDAY:
South winds 15 knots. Wind waves 4 feet. Showers likely.

TUESDAY NIGHT:
South winds 15 knots. Wind waves 4 feet. Showers likely.

WEDNESDAY:
Southwest winds 10 knots becoming variable less than 10 knots. Wind waves 3 feet. Showers likely.

THURSDAY:
Winds variable less than 10 knots becoming northeast 10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet. Showers likely.


Kauai Windward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 15 knots. Wind waves 4 feet. Isolated showers through the day.

TONIGHT:
Southeast winds 15 knots. Wind waves 4 feet. Isolated showers in the evening, then scattered showers after midnight.

MONDAY:
Southeast winds 15 knots. Wind waves 4 feet. Scattered showers in the morning, then isolated showers in the afternoon.

MONDAY NIGHT:
South winds 15 knots. Wind waves 4 feet. Scattered showers.

TUESDAY:
South winds 15 knots. Wind waves 4 feet. Showers likely.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 4 feet. Showers likely.

WEDNESDAY:
Southwest winds 10 knots becoming variable less than 10 knots. Wind waves 3 feet. Showers likely.

THURSDAY:
Winds variable less than 10 knots becoming northeast 10 knots. Wind waves 2 feet or less. Northwest swell 3 to 4 feet. Scattered showers.


Kauai Leeward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 15 knots. Wind waves 3 feet. Isolated showers in the morning, then scattered showers in the afternoon.

TONIGHT:
Southeast winds 10 knots. Wind waves 3 feet. Scattered showers.

MONDAY:
Southeast winds 10 knots. Wind waves 3 feet. Scattered showers.

MONDAY NIGHT:
South winds 15 knots. Wind waves 4 feet. Showers likely.

TUESDAY:
South winds 15 knots. Wind waves 4 feet. Showers likely.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 3 feet. Showers likely.

WEDNESDAY:
South winds 10 knots in the morning becoming variable less than 10 knots. Wind waves 3 feet. Showers likely.

THURSDAY:
Northeast winds 10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet. Showers likely.


Kauai Channel-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 10 knots. Wind waves 4 feet. Isolated showers.

TONIGHT:
Southeast winds 10 knots. Wind waves 3 feet. Isolated showers.

MONDAY:
Southeast winds 10 knots. Wind waves 3 feet. Isolated showers through the day.

MONDAY NIGHT:
South winds 10 knots. Wind waves 3 feet. Scattered showers.

TUESDAY:
South winds 10 knots. Wind waves 3 feet. Showers likely.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 3 feet. Showers likely.

WEDNESDAY:
South winds 10 knots becoming variable less than 10 knots. Wind waves 3 feet. Showers likely.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet. Isolated showers.


Oahu Windward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers through the day.

TONIGHT:
East winds 15 knots. Wind waves 4 feet. Isolated showers in the evening.

MONDAY:
Southeast winds 15 knots. Wind waves 4 feet.

MONDAY NIGHT:
Southeast winds 10 knots. Wind waves 4 feet. Isolated showers.

TUESDAY:
Southeast winds 10 knots. Wind waves 4 feet. Scattered showers.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 4 feet. Showers likely.

WEDNESDAY:
South winds 10 knots becoming variable less than 10 knots, then becoming southeast 10 knots after midnight. Wind waves 3 feet. Scattered showers.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 to 4 feet. Scattered showers.


Oahu Leeward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 10 knots. Wind waves 3 feet. Isolated showers through the day.

TONIGHT:
Winds variable less than 10 knots becoming southeast 10 knots after midnight. Wind waves 3 feet in the evening then 2 feet or less. Isolated showers through the night.

MONDAY:
Southeast winds 10 knots. Wind waves 2 feet or less then 3 feet in the afternoon. Isolated showers in the morning.

MONDAY NIGHT:
Southeast winds 10 knots. Wind waves 3 feet. Isolated showers.

TUESDAY:
Southeast winds 10 knots. Wind waves 3 feet. Scattered showers.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 3 feet. Showers likely.

WEDNESDAY:
Southeast winds 10 knots becoming variable less than 10 knots. Wind waves 3 feet. Scattered showers.

THURSDAY:
Winds variable less than 10 knots becoming east 10 knots. Wind waves 2 feet or less. Northwest swell 3 feet. Scattered showers.


Kaiwi Channel-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers in the morning.

TONIGHT:
East winds 15 knots. Wind waves 4 feet. Isolated showers in the evening.

MONDAY:
Southeast winds 10 knots. Wind waves 4 feet.

MONDAY NIGHT:
East winds 10 knots. Wind waves 4 feet. Isolated showers.

TUESDAY:
Southeast winds 10 knots. Wind waves 4 feet. Scattered showers.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 4 feet. Scattered showers.

WEDNESDAY:
South winds 10 knots in the morning becoming variable less than 10 knots. Wind waves 3 feet. Scattered showers.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet. Scattered showers.


Maui County Windward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers through the day.

TONIGHT:
East winds 15 knots. Wind waves 4 feet. Isolated showers.

MONDAY:
Southeast winds 20 knots. Wind waves 5 feet. Isolated showers.

MONDAY NIGHT:
Southeast winds 15 knots. Wind waves 5 feet. Isolated showers.

TUESDAY:
Southeast winds 20 knots. Wind waves 5 feet. Isolated showers.

TUESDAY NIGHT:
Southeast winds 20 knots. Wind waves 5 feet. Scattered showers in the evening, then showers likely after midnight.

WEDNESDAY:
Southeast winds 15 knots. Wind waves 3 to 5 feet. Scattered showers.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Northwest swell 3 feet. Scattered showers.


Maui County Leeward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
Southeast winds 15 knots. Wind waves 4 feet. Isolated showers in the morning.

TONIGHT:
Southeast winds 10 knots. Wind waves 3 feet. Isolated showers.

MONDAY:
Southeast winds 10 knots. Wind waves 3 feet in the morning then 2 feet or less. Isolated showers in the morning.

MONDAY NIGHT:
Winds variable less than 10 knots becoming east 10 knots after midnight. Wind waves 2 feet or less. Isolated showers.

TUESDAY:
Southeast winds 10 knots. Wind waves 2 feet or less then 3 feet in the afternoon. Isolated showers.

TUESDAY NIGHT:
South winds 10 knots. Wind waves 3 feet. Scattered showers.

WEDNESDAY:
Southeast winds 10 knots in the morning becoming variable less than 10 knots, then becoming southeast 10 knots after midnight. Wind waves 3 feet. Scattered showers.

THURSDAY:
Northeast winds 10 knots. Wind waves 2 feet or less. Scattered showers.


Maalaea Bay-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
North winds 10 knots. Wind waves 2 feet or less.

TONIGHT:
North winds 10 knots. Wind waves 2 feet or less.

MONDAY:
Northeast winds 10 knots veering southwest in the afternoon. Wind waves 2 feet or less.

MONDAY NIGHT:
Winds variable less than 10 knots. Wind waves 2 feet or less.

TUESDAY:
Winds variable less than 10 knots. Wind waves 2 feet or less. Isolated showers.

TUESDAY NIGHT:
Winds variable less than 10 knots. Wind waves 2 feet or less. Scattered showers.

WEDNESDAY:
Winds variable less than 10 knots. Wind waves 2 feet or less. Scattered showers.

THURSDAY:
North winds 15 knots in the morning becoming variable less than 10 knots, then becoming north 15 knots. Wind waves 2 feet or less. Scattered showers.


Pailolo Channel-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 20 knots. Wind waves 4 feet. Isolated showers in the morning.

TONIGHT:
East winds 15 knots. Wind waves 4 feet.

MONDAY:
East winds 10 knots. Wind waves 4 feet.

MONDAY NIGHT:
Winds variable less than 10 knots. Wind waves 4 feet.

TUESDAY:
Winds variable less than 10 knots. Wind waves 4 feet. Isolated showers.

TUESDAY NIGHT:
Winds variable less than 10 knots. Wind waves 3 feet. Scattered showers.

WEDNESDAY:
Winds variable less than 10 knots. Wind waves 3 feet. Scattered showers.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Scattered showers.


Alenuihaha Channel-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 5 feet. Isolated showers in the morning.

TONIGHT:
East winds 15 knots. Wind waves 4 feet. Isolated showers.

MONDAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers in the morning.

MONDAY NIGHT:
East winds 15 knots. Wind waves 5 feet. Isolated showers.

TUESDAY:
East winds 15 knots. Wind waves 5 feet. Isolated showers.

TUESDAY NIGHT:
Southeast winds 15 knots. Wind waves 5 feet. Scattered showers.

WEDNESDAY:
East winds 10 knots. Wind waves 3 to 4 feet. Scattered showers.

THURSDAY:
East winds 15 knots. Wind waves 3 feet. Scattered showers.


Big Island Windward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers through the day.

TONIGHT:
Southeast winds 15 knots. Wind waves 4 feet. Isolated showers through the night.

MONDAY:
Southeast winds 15 knots. Wind waves 4 feet. Scattered showers in the morning, then isolated showers in the afternoon.

MONDAY NIGHT:
Southeast winds 20 knots. Wind waves 5 feet. Scattered showers.

TUESDAY:
Southeast winds 20 knots. Wind waves 5 feet. Scattered showers.

TUESDAY NIGHT:
Southeast winds 20 knots. Wind waves 5 feet. Scattered showers in the evening, then showers likely after midnight.

WEDNESDAY:
Southeast winds 15 knots. Wind waves 3 to 5 feet. Showers likely.

THURSDAY:
East winds 10 knots. Wind waves 3 feet. Scattered showers.


Big Island Leeward Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
West of the Big Island, winds variable less than 10 knots becoming northwest 10 knots in the afternoon. Near South Point, east winds 20 knots. Wind waves 5 feet. Isolated showers in the morning.

TONIGHT:
West of the Big Island, north winds 10 knots in the evening becoming variable less than 10 knots. Near South Point, east winds 15 knots. Wind waves 4 feet. Isolated showers.

MONDAY:
West of the Big Island, winds variable less than 10 knots becoming northwest 10 knots in the afternoon. Near South Point, east winds 15 knots. Wind waves 4 feet. Isolated showers.

MONDAY NIGHT:
Winds variable less than 10 knots west of the Big Island, east 15 knots near South Point. Wind waves 4 feet. Isolated showers.

TUESDAY:
Winds variable less than 10 knots west of the Big Island, east 20 knots near South Point. Wind waves 5 feet. Scattered showers.

TUESDAY NIGHT:
Winds variable less than 10 knots west of the Big Island, east 20 knots near South Point. Wind waves 5 feet. Scattered showers.

WEDNESDAY:
West of the Big Island, winds variable less than 10 knots becoming south 10 knots in the afternoon, then becoming variable less than 10 knots. Near South Point, east winds 15 knots. Wind waves 3 to 4 feet. Scattered showers.

THURSDAY:
West of the Big Island, winds variable less than 10 knots becoming north 10 knots after midnight. Near South Point, east winds 15 knots. Wind waves 3 to 4 feet. Isolated showers.


Big Island Southeast Waters-
Sep 23, 2018 9:30 am HST

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REST OF TODAY:
East winds 15 knots. Wind waves 4 feet. Isolated showers in the morning.

TONIGHT:
East winds 15 knots. Wind waves 3 feet. Isolated showers after midnight.

MONDAY:
East winds 15 knots. Wind waves 4 feet. Scattered showers in the morning, then isolated showers in the afternoon.

MONDAY NIGHT:
East winds 15 knots. Wind waves 4 feet. Scattered showers.

TUESDAY:
East winds 15 knots. Wind waves 4 feet. Scattered showers.

TUESDAY NIGHT:
East winds 15 knots. Wind waves 4 feet. Scattered showers in the evening, then showers likely after midnight.

WEDNESDAY:
East winds 10 knots. Wind waves 3 feet. Showers likely.

THURSDAY:
Northeast winds 15 knots. Wind waves 3 to 4 feet. Showers likely.