Hawaiian Coastal Waters Forecast

SYNOPSIS FOR HAWAIIAN COASTAL WATERS
Nov 20, 2017 9:00 pm HST

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Synopsis for Hawaiian coastal waters:
A surface low northeast of the state will maintain northerly winds over the Hawaiian coastal waters overnight, while a lingering north swell keeps seas elevated. Winds will veer slightly to the northeast on Tuesday as the low weakens and moves farther away. Strong high pressure will build northwest of the area during the second half of the week, resulting in strong and gusty northeast trade winds over the coastal waters. Another large north swell is expected to move through the area beginning late Wednesday and continuing through Thursday night.


Kauai Northwest Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 10 feet. Scattered showers.

TUESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 10 feet. Scattered showers in the morning, then isolated showers in the afternoon.

TUESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 8 feet. Isolated showers through the night.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 5 feet. North swell 9 feet increasing to 11 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 12 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 13 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 12 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 8 to 10 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 7 feet. North swell 6 to 8 feet. Scattered showers.


Kauai Windward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
North winds 15 knots. Wind waves 4 feet. North swell 10 feet. Scattered showers.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 9 feet. Scattered showers in the morning, then isolated showers in the afternoon.

TUESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 8 feet. Isolated showers.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 9 feet increasing to 11 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 12 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 12 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 11 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY:
Northeast winds 20 knots. Wind waves 7 to 8 feet. North swell 8 to 10 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 7 feet. North swell 7 feet. Scattered showers.


Kauai Leeward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 20 knots. Wind waves 4 feet. North swell 10 feet. Isolated showers.

TUESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 9 feet. Isolated showers through the day.

TUESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 8 feet. Scattered showers through the night.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 5 feet. North swell 8 feet increasing to 10 feet in the afternoon. Isolated showers through the day.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 12 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 12 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 11 feet. Isolated showers through the night.

FRIDAY:
Northeast winds 20 knots. Wind waves 9 feet. North swell 8 to 10 feet. Isolated showers.

SATURDAY:
East winds 20 knots. Wind waves 8 to 9 feet. North swell 6 to 7 feet. Scattered showers.


Kauai Channel-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 20 knots. Wind waves 4 feet. North swell 10 feet. Isolated showers early in the evening, then scattered showers after midnight.

TUESDAY:
Northeast winds 15 knots. Wind waves 4 feet. North swell 9 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 8 feet. Scattered showers in the evening, then isolated showers after midnight.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 5 feet. North swell 8 feet increasing to 10 feet in the afternoon. Isolated showers through the day.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 11 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 12 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 11 feet. Isolated showers.

FRIDAY:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 8 to 10 feet. Isolated showers.

SATURDAY:
East winds to 25 knots. Wind waves 8 feet. North swell 6 to 7 feet. Scattered showers.


Oahu Windward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
North winds 15 knots. Wind waves 4 feet. North swell 10 feet. Scattered showers.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 9 feet. Scattered showers in the morning, then isolated showers in the afternoon.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 5 feet. North swell 8 feet. Scattered showers in the evening, then isolated showers after midnight.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 8 feet increasing to 10 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 6 feet. North swell 12 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 12 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 11 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY:
Northeast winds 20 knots. Wind waves 8 feet. North swell 8 to 10 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 7 to 8 feet. North swell 6 to 7 feet. Scattered showers.


Oahu Leeward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 9 feet. Isolated showers.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 8 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet increasing to 9 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 10 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 11 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 9 feet. North swell 10 feet. Isolated showers.

FRIDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 8 to 10 feet. Isolated showers.

SATURDAY:
East winds 20 knots. Wind waves 7 to 8 feet. North swell 6 to 7 feet. Isolated showers.


Kaiwi Channel-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 3 feet. North swell 10 feet. Isolated showers early in the evening, then scattered showers after midnight.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 9 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 4 feet. North swell 8 feet increasing to 10 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 11 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 12 feet. Scattered showers in the morning.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 11 feet. Isolated showers through the night.

FRIDAY:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 8 to 10 feet. Isolated showers.

SATURDAY:
East winds to 25 knots. Wind waves 7 feet. North swell 6 to 7 feet. Scattered showers.


Maui County Windward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
North winds 15 knots. Wind waves 3 feet. North swell 10 feet. Scattered showers.

TUESDAY:
North winds 15 knots. Wind waves 3 feet. North swell 9 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 4 feet. North swell 8 feet increasing to 10 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 11 feet. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 7 feet. North swell 12 feet. Scattered showers in the morning, then isolated showers in the afternoon.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 7 feet. North swell 11 feet. Isolated showers in the evening, then scattered showers after midnight.

FRIDAY:
East winds 20 knots. Wind waves 7 feet. North swell 8 to 10 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 7 feet. North swell 6 to 7 feet. Scattered showers.


Maui County Leeward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 3 feet. North swell 10 feet. Isolated showers.

TUESDAY:
Northeast winds 20 knots. Wind waves 3 feet. North swell 10 feet decreasing to 7 feet in the afternoon.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet. Isolated showers.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 10 feet. Scattered showers in the evening. Isolated showers after midnight.

THURSDAY:
Northeast winds to 25 knots. Wind waves 7 feet. North swell 11 feet. Isolated showers through the day.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 8 feet. North swell 10 feet. Isolated showers.

FRIDAY:
Northeast winds 20 knots. Wind waves 8 feet. North swell 7 to 9 feet. Isolated showers.

SATURDAY:
East winds 20 knots. Wind waves 7 feet. North swell 6 to 7 feet. Isolated showers.


Maalaea Bay-
Nov 20, 2017 9:00 pm HST

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REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 2 feet or less.

TUESDAY:
Northeast winds 20 knots. Wind waves 2 feet or less.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 2 feet or less.

WEDNESDAY:
North winds 15 knots. Wind waves 2 feet or less. Isolated showers.

WEDNESDAY NIGHT:
North winds to 25 knots. Wind waves 2 feet or less.

THURSDAY:
North winds to 30 knots. Wind waves 2 feet or less then 3 feet in the afternoon.

THURSDAY NIGHT:
North winds to 30 knots. Wind waves 3 feet.

FRIDAY:
North winds to 25 knots. Wind waves 3 feet.

SATURDAY:
Northeast winds to 25 knots. Wind waves 3 feet.


Pailolo Channel-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
North winds 15 knots. Wind waves 3 feet. North swell 9 feet. Isolated showers through the night.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet in the morning then 2 feet or less. North swell 8 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet. Isolated showers.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet increasing to 9 feet in the afternoon. Scattered showers in the morning, then isolated showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds to 25 knots. Wind waves 4 feet. North swell 11 feet. Isolated showers.

THURSDAY:
Northeast winds to 30 knots. Wind waves 7 feet. North swell 12 feet. Isolated showers through the day.

THURSDAY NIGHT:
Northeast winds to 30 knots. Wind waves 7 feet. North swell 11 feet. Isolated showers.

FRIDAY:
Northeast winds to 25 knots. Wind waves 7 feet. Northeast swell 8 to 10 feet. Isolated showers.

SATURDAY:
Northeast winds to 25 knots. Wind waves 6 feet. Northeast swell 6 to 7 feet. Isolated showers.


Alenuihaha Channel-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
Northeast winds 15 knots. Wind waves 3 feet. North swell 10 feet. Isolated showers early in the evening. Scattered showers after midnight.

TUESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 9 feet. Isolated showers in the morning.

TUESDAY NIGHT:
Northeast winds 15 knots. Wind waves 4 feet. North swell 7 feet. Isolated showers.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 4 feet. North swell 7 feet. Scattered showers through the day.

WEDNESDAY NIGHT:
Northeast winds to 25 knots. Wind waves 6 feet. North swell 10 feet increasing to 12 feet after midnight. Isolated showers.

THURSDAY:
Northeast winds to 30 knots. Wind waves 9 feet. North swell 12 feet. Scattered showers in the morning, then isolated showers in the afternoon.

THURSDAY NIGHT:
Northeast winds to 30 knots. Wind waves 11 feet. North swell 11 feet. Isolated showers in the evening. Scattered showers after midnight.

FRIDAY:
East winds to 25 knots. Wind waves 11 feet. North swell 8 to 10 feet. Isolated showers.

SATURDAY:
East winds to 25 knots. Wind waves 8 to 9 feet. Northeast swell 6 to 7 feet. Isolated showers.


Big Island Windward Waters-
Nov 20, 2017 9:00 pm HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING

REST OF TONIGHT:
North winds 10 knots. Wind waves 3 feet. North swell 10 feet. Isolated showers early in the evening, then scattered showers after midnight.

TUESDAY:
North winds 15 knots. Wind waves 3 feet. North swell 9 feet. Isolated showers in the morning.

TUESDAY NIGHT:
North winds 15 knots. Wind waves 3 feet. North swell 7 feet. Isolated showers.

WEDNESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet. Isolated showers.

WEDNESDAY NIGHT:
Northeast winds 20 knots. Wind waves 4 feet. North swell 10 feet increasing to 12 feet after midnight. Scattered showers.

THURSDAY:
Northeast winds to 25 knots. Wind waves 6 feet. North swell 12 feet. Scattered showers in the morning, then isolated showers in the afternoon.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves 7 feet. North swell 11 feet. Scattered showers.

FRIDAY:
Northeast winds to 25 knots. Wind waves 6 to 7 feet. North swell 8 to 10 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 6 feet. North swell 6 to 8 feet. Scattered showers.


Big Island Leeward Waters-
Nov 20, 2017 9:00 pm HST

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REST OF TONIGHT:
Northeast winds 10 knots. Wind waves 3 feet early in the evening then 2 feet or less. North swell 6 feet. Haze through the night. Isolated showers after midnight.

TUESDAY:
North winds 15 knots west of the Big Island, variable less than 10 knots near South Point. Wind waves 4 feet. North swell 6 feet. Haze.

TUESDAY NIGHT:
East winds 15 knots. Wind waves 4 feet. North swell 6 feet. Haze.

WEDNESDAY:
West of the Big Island, north winds 10 knots backing west in the afternoon. Near Kawaihae, northeast winds 20 knots. Wind waves 4 feet. North swell 5 feet. Haze.

WEDNESDAY NIGHT:
Northeast winds 10 knots west of the Big Island, northeast to 25 knots near South Point. Wind waves 5 feet. North swell 7 feet. Haze through the night. Isolated showers through the night.

THURSDAY:
West of the Big Island, east winds 15 knots veering southwest in the afternoon. Near South Point, northeast winds to 30 knots. Wind waves 8 feet. North swell 8 feet. Haze through the day. Isolated showers through the day.

THURSDAY NIGHT:
Northeast winds 10 knots west of the Big Island, northeast to 30 knots near South Point. Wind waves 11 feet. North swell 8 feet. Haze through the night. Isolated showers through the night.

FRIDAY:
West of the Big Island, east winds 15 knots veering southwest in the afternoon, then backing east. Near South Point, east winds to 25 knots. Wind waves 9 to 10 feet. North swell 6 to 8 feet. Haze. Isolated showers.

SATURDAY:
West of the Big Island, east winds 10 knots veering southwest in the afternoon, then backing east. Near South Point, east winds to 25 knots. Wind waves 8 to 9 feet. North swell 5 to 6 feet. Haze. Isolated showers.


Big Island Southeast Waters-
Nov 20, 2017 9:00 pm HST

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REST OF TONIGHT:
North winds 10 knots. Wind waves 3 feet. North swell 8 feet. Haze. Isolated showers.

TUESDAY:
Northeast winds 15 knots. Wind waves 3 feet. North swell 7 feet. Isolated showers in the morning. Haze through the day.

TUESDAY NIGHT:
Northeast winds 20 knots. Wind waves 5 feet. North swell 7 feet. Isolated showers in the evening. Haze through the night.

WEDNESDAY:
Northeast winds 20 knots. Wind waves 5 feet. North swell 7 feet. Isolated showers in the morning. Haze through the day.

WEDNESDAY NIGHT:
Northeast winds to 25 knots. Wind waves 5 feet. North swell 8 feet increasing to 10 feet after midnight. Scattered showers.

THURSDAY:
Northeast winds to 30 knots. Wind waves 6 feet increasing to 11 feet in the afternoon. North swell 11 feet. Scattered showers in the morning, then isolated showers in the afternoon.

THURSDAY NIGHT:
Northeast winds to 30 knots. Wind waves 13 feet. Northeast swell 11 feet. Scattered showers.

FRIDAY:
Northeast winds to 25 knots. Wind waves 11 to 12 feet. Northeast swell 8 to 10 feet. Scattered showers.

SATURDAY:
Northeast winds to 25 knots. Wind waves 10 feet. Northeast swell 6 to 8 feet. Scattered showers.