National Weather Service United States Department of Commerce

SYNOPSIS FOR HAWAIIAN COASTAL WATERS
Jan 16, 2018 9:29 am HST

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Synopsis for Hawaiian coastal waters:
A surface ridge will gradually build northeast of the area today. A strong new high will move east to a position north of the area Wednesday night. The high will move away to the northeast during the second half of the week.


Kauai Northwest Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 15 knots. Wind waves around 3 feet. Northwest swell 9 feet. A slight chance of showers.

TONIGHT:
Northeast winds 20 knots. Wind waves around 6 feet. Northwest swell 8 feet, increasing to 10 feet after midnight. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
East winds to 25 knots. Wind waves around 7 feet. Northwest swell 10 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 9 feet. Scattered showers.

THURSDAY:
East winds to 25 knots. Wind waves around 12 feet. Northwest swell 6 feet. Swell southeast 3 feet. Scattered showers.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 11 feet. Mixed swell north 5 feet and southeast 3 feet. Scattered showers.

FRIDAY:
East winds 15 knots. Wind waves 8 to 10 feet. Mixed swell north 3 to 4 feet and southeast 3 feet. Scattered showers.

SATURDAY:
East winds 20 knots, diminishing to 10 knots. Wind waves around 7 feet. Mixed swell northwest 3 to 4 feet and southeast 3 feet. Scattered showers.


Kauai Windward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 15 knots. Wind waves around 3 feet. Northwest swell 8 feet. A slight chance of showers.

TONIGHT:
Northeast winds 20 knots. Wind waves around 6 feet. Northwest swell 7 feet, increasing to 10 feet after midnight. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
East winds 20 knots. Wind waves around 7 feet. Northwest swell 10 feet. A chance of showers.

WEDNESDAY NIGHT:
East winds to 25 knots. Wind waves around 12 feet. Northwest swell 8 feet. Scattered showers.

THURSDAY:
East winds to 25 knots. Wind waves around 12 feet. Northwest swell 7 feet. Scattered showers.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 12 feet. North swell 5 feet. Scattered showers.

FRIDAY:
East winds 20 knots. Wind waves 9 to 11 feet. North swell 3 to 5 feet. Scattered showers.

SATURDAY:
East winds 20 knots, diminishing to 10 knots. Wind waves 7 to 8 feet. Northwest swell 3 to 4 feet. Scattered showers.


Kauai Leeward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 15 knots. Wind waves around 5 feet. Northwest swell 8 feet.

TONIGHT:
Northeast winds 20 knots. Wind waves around 7 feet. Northwest swell 7 feet, increasing to 9 feet after midnight. A slight chance of showers.

WEDNESDAY:
East winds to 25 knots. Wind waves around 9 feet. Northwest swell 10 feet. A slight chance of showers.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 8 feet and southeast 3 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY:
East winds to 25 knots. Wind waves around 11 feet. Northwest swell 6 feet and southeast 3 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 10 feet. Mixed swell north 5 feet and southeast 4 feet. Scattered showers.

FRIDAY:
East winds to 25 knots, diminishing to 10 knots. Wind waves 6 to 8 feet. Mixed swell north 3 to 4 feet and southeast 3 to 4 feet. Scattered showers.

SATURDAY:
East winds 15 knots, becoming variable less than 10 knots. Wind waves around 5 feet. Mixed swell northwest 3 to 4 feet and southeast 3 feet. Scattered showers.


Kauai Channel-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 15 knots. Wind waves around 5 feet. Northwest swell 8 feet. A slight chance of showers late this morning.

TONIGHT:
Northeast winds 20 knots. Wind waves around 7 feet. Northwest swell 7 feet, increasing to 9 feet after midnight. A slight chance of showers.

WEDNESDAY:
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 10 feet. A slight chance of showers.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 8 feet. Swell southeast 3 feet. Isolated showers.

THURSDAY:
East winds to 25 knots. Wind waves around 12 feet. North swell 7 feet and southeast 3 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 12 feet. Mixed swell north 5 feet and southeast 3 feet. Isolated showers.

FRIDAY:
East winds 20 knots. Wind waves 8 to 10 feet. Mixed swell north 3 to 5 feet and southeast 3 feet. Scattered showers.

SATURDAY:
East winds 20 knots, becoming variable less than 10 knots. Wind waves 7 to 8 feet. Mixed swell northwest 3 to 4 feet and southeast 3 feet. Isolated showers.


Oahu Windward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 15 knots. Wind waves around 4 feet. Northwest swell 8 feet. A slight chance of showers.

TONIGHT:
Northeast winds 20 knots. Wind waves around 6 feet. Northwest swell 8 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
East winds to 25 knots. Wind waves around 8 feet. Northwest swell 10 feet. A chance of showers.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 13 feet. Northwest swell 9 feet. Scattered showers.

THURSDAY:
East winds to 30 knots. Wind waves around 13 feet. Northwest swell 7 feet. Scattered showers.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 13 feet. North swell 6 feet. Swell southeast 3 feet. Scattered showers.

FRIDAY:
East winds 20 knots. Wind waves 9 to 11 feet. Mixed swell north 4 to 5 feet and southeast 3 feet. Scattered showers.

SATURDAY:
East winds 15 knots. Wind waves 7 to 9 feet. Mixed swell northwest 3 to 4 feet and southeast 3 feet. Scattered showers.


Oahu Leeward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 8 feet.

TONIGHT:
Northeast winds 20 knots. Wind waves around 7 feet. Northwest swell 7 feet. A slight chance of showers in the evening.

WEDNESDAY:
Northeast winds to 25 knots. Wind waves around 9 feet. Northwest swell 9 feet. A slight chance of showers.

WEDNESDAY NIGHT:
East winds to 25 knots. Wind waves around 10 feet. Northwest swell 8 feet. Isolated showers.

THURSDAY:
East winds to 25 knots. Wind waves around 10 feet. Northwest swell 6 feet and southeast 3 feet. Isolated showers.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 9 feet. Mixed swell north 5 feet and southeast 3 feet. Isolated showers.

FRIDAY:
East winds to 25 knots, diminishing to 10 knots. Wind waves 5 to 7 feet. Mixed swell north 3 to 5 feet and southeast 3 feet. Scattered showers.

SATURDAY:
Southeast winds 10 knots, becoming variable less than 10 knots. Wind waves 4 to 5 feet. Mixed swell northwest 3 feet and southeast 3 feet. Isolated showers.


Kaiwi Channel-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 8 feet. A slight chance of showers.

TONIGHT:
Northeast winds 20 knots. Wind waves around 7 feet. Northwest swell 8 feet. A slight chance of showers in the evening. A chance of showers after midnight.

WEDNESDAY:
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 10 feet. A slight chance of showers.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 13 feet. Northwest swell 9 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY:
East winds to 30 knots. Wind waves around 13 feet. North swell 7 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 12 feet. North swell 6 feet. Isolated showers.

FRIDAY:
East winds 20 knots. Wind waves 9 to 11 feet. North swell 4 to 5 feet. Scattered showers.

SATURDAY:
East winds 20 knots, diminishing to 10 knots. Wind waves 7 to 9 feet. North swell 3 to 4 feet. Isolated showers.


Maui County Windward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
East winds 15 knots. Wind waves around 4 feet. Northwest swell 9 feet. A slight chance of showers.

TONIGHT:
East winds 20 knots. Wind waves around 6 feet. Northwest swell 8 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
East winds to 25 knots. Wind waves around 8 feet. Northwest swell 10 feet. A chance of showers.

WEDNESDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 9 feet. Scattered showers.

THURSDAY:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 8 feet and southeast 3 feet. Scattered showers.

THURSDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. North swell 7 feet and southeast 3 feet. Scattered showers.

FRIDAY:
East winds 20 knots. Wind waves 9 to 11 feet. Mixed swell north 4 to 6 feet and southeast 3 feet. Scattered showers.

SATURDAY:
East winds 15 knots. Wind waves 7 to 9 feet. Mixed swell northwest 4 feet and southeast 3 feet. Scattered showers.


Maui County Leeward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 6 feet.

TONIGHT:
Northeast winds 20 knots. Wind waves around 7 feet. Northwest swell 6 feet. A slight chance of showers in the evening.

WEDNESDAY:
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 7 feet. A slight chance of showers in the afternoon.

WEDNESDAY NIGHT:
Northeast winds to 25 knots. Wind waves around 9 feet. Northwest swell 6 feet. Isolated showers.

THURSDAY:
East winds to 25 knots. Wind waves around 10 feet. Northwest swell 5 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 10 feet. North swell 5 feet. Isolated showers.

FRIDAY:
East winds to 25 knots, diminishing to 15 knots. Wind waves 6 to 8 feet. North swell 3 to 4 feet. Isolated showers.

SATURDAY:
East winds 10 knots. Wind waves 5 to 6 feet. North swell 3 feet. Isolated showers.


Maalaea Bay-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT

REST OF TODAY:
North winds to 25 knots. Wind waves around 3 feet.

TONIGHT:
North winds to 25 knots. Wind waves around 4 feet.

WEDNESDAY:
North gales to 35 knots. Wind waves around 5 feet.

WEDNESDAY NIGHT:
North gales to 35 knots. Wind waves around 5 feet.

THURSDAY:
North gales to 35 knots. Wind waves around 5 feet.

THURSDAY NIGHT:
Northeast winds to 30 knots. Wind waves around 5 feet.

FRIDAY:
North winds 20 knots. Wind waves 3 to 4 feet.

SATURDAY:
North winds 20 knots, becoming variable less than 10 knots. Wind waves around 2 feet or less.


Pailolo Channel-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT

REST OF TODAY:
East winds to 25 knots. Wind waves around 4 feet. Northwest swell 7 feet.

TONIGHT:
Northeast winds to 25 knots. Wind waves around 5 feet. Northwest swell 6 feet. A slight chance of showers.

WEDNESDAY:
East winds to 30 knots. Wind waves around 8 feet. Northwest swell 7 feet. A slight chance of showers.

WEDNESDAY NIGHT:
East gales to 35 knots. Wind waves around 11 feet. Northwest swell 7 feet. Isolated showers in the evening, then scattered showers after midnight.

THURSDAY:
East gales to 35 knots. Wind waves around 11 feet. Northwest swell 6 feet. Scattered showers, mainly in the morning.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 11 feet. North swell 6 feet. Scattered showers, mainly in the evening.

FRIDAY:
East winds 20 knots. Wind waves 8 to 10 feet. North swell 4 to 5 feet. Isolated showers.

SATURDAY:
East winds 20 knots, diminishing to 10 knots. Wind waves 6 to 8 feet. North swell 3 to 4 feet. Isolated showers.


Alenuihaha Channel-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT

REST OF TODAY:
Northeast winds to 25 knots. Wind waves around 7 feet. Northwest swell 9 feet. A slight chance of showers.

TONIGHT:
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 7 feet. A slight chance of showers in the evening. A chance of showers after midnight.

WEDNESDAY:
East gales to 35 knots. Wind waves around 11 feet. Northwest swell 8 feet, increasing to 10 feet in the afternoon. A chance of showers in the morning. A slight chance of showers in the afternoon.

WEDNESDAY NIGHT:
East gales to 35 knots. Wind waves around 13 feet. Northwest swell 9 feet. Isolated showers.

THURSDAY:
East gales to 35 knots. Wind waves around 13 feet. Northwest swell 8 feet. Swell southeast 3 feet. Scattered showers in the morning. Isolated showers in the afternoon.

THURSDAY NIGHT:
East winds to 30 knots. Wind waves around 12 feet. Northwest swell 6 feet and southeast 3 feet. Scattered showers in the evening. Isolated showers after midnight.

FRIDAY:
East winds 20 knots. Wind waves 9 to 11 feet. Mixed swell north 4 to 6 feet and southeast 3 feet. Isolated showers.

SATURDAY:
East winds 15 knots. Wind waves 7 to 8 feet. Mixed swell northwest 4 feet and southeast 3 feet. Isolated showers.


Big Island Windward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH EARLY
FRIDAY MORNING

REST OF TODAY:
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 9 feet. A slight chance of showers.

TONIGHT:
Northeast winds 20 knots. Wind waves around 5 feet. Northwest swell 7 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
Northeast winds to 25 knots. Wind waves around 7 feet. Northwest swell 9 feet. A chance of showers.

WEDNESDAY NIGHT:
East winds to 25 knots. Wind waves around 9 feet. Northwest swell 9 feet and southeast 3 feet. Scattered showers.

THURSDAY:
East winds to 25 knots. Wind waves around 10 feet. Northwest swell 8 feet and southeast 3 feet. Scattered showers.

THURSDAY NIGHT:
East winds to 25 knots. Wind waves around 10 feet. North swell 7 feet and southeast 3 to 4 feet. Scattered showers.

FRIDAY:
East winds 20 knots. Wind waves 8 to 10 feet. Mixed swell north 5 to 7 feet and southeast 3 to 4 feet. Scattered showers.

SATURDAY:
East winds 15 knots. Wind waves 7 to 8 feet. Mixed swell north 4 to 5 feet and southeast 3 feet. Scattered showers.


Big Island Leeward Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY FRIDAY MORNING

REST OF TODAY:
Winds variable less than 10 knots west of the Big Island, east 20 knots near South Point. Wind waves around 7 feet. Northwest swell 6 feet. Hazy.

TONIGHT:
West of the Big Island, winds variable less than 10 knots, becoming southeast 10 knots after midnight. Near South Point, east winds to 25 knots. Wind waves around 8 feet. Northwest swell 5 feet. Hazy.

WEDNESDAY:
Winds variable less than 10 knots west of the Big Island, northeast to 25 knots near South Point. Wind waves around 10 feet. Mixed swell northwest 5 feet and southeast 3 feet. A slight chance of showers in the morning. Hazy.

WEDNESDAY NIGHT:
Winds variable less than 10 knots west of the Big Island, east to 30 knots near South Point. Wind waves around 11 feet. Northwest swell 6 feet and southeast 3 feet. Hazy. Isolated showers in the evening. Scattered showers after midnight.

THURSDAY:
Winds variable less than 10 knots west of the Big Island, east to 30 knots near South Point. Wind waves around 11 feet. Mixed swell northwest 5 feet and southeast 3 feet. Scattered showers in the morning. Hazy.

THURSDAY NIGHT:
South winds 10 knots west of the Big Island, east to 25 knots near South Point. Wind waves around 11 feet. Mixed swell northwest 4 feet and southeast 3 feet. Hazy. Isolated showers.

FRIDAY:
West of the Big Island, southwest winds 10 knots, becoming variable less than 10 knots. Near South Point, east winds 20 knots. Wind waves 9 to 10 feet. Mixed swell north 3 to 4 feet and southeast 3 feet. Hazy. Isolated showers.

SATURDAY:
West of the Big Island, southeast winds 10 knots, becoming variable less than 10 knots. Near South Point, east winds 15 knots. Wind waves 7 to 8 feet. Mixed swell north 3 feet and southeast 3 feet. Hazy. Scattered showers.


Big Island Southeast Waters-
Jan 16, 2018 9:29 am HST

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Headlines:
SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...
...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE
THURSDAY NIGHT

REST OF TODAY:
Northeast winds to 25 knots. Wind waves around 7 feet. Northwest swell 7 feet. A slight chance of showers.

TONIGHT:
Northeast winds to 25 knots. Wind waves around 8 feet. Northwest swell 6 feet. A slight chance of showers in the evening, then a chance of showers after midnight.

WEDNESDAY:
Northeast winds to 30 knots. Wind waves around 10 feet. Northwest swell 6 feet and southeast 3 feet. A chance of showers.

WEDNESDAY NIGHT:
Northeast winds to 30 knots. Wind waves around 11 feet. Northwest swell 7 feet and southeast 3 feet. Scattered showers.

THURSDAY:
Northeast winds to 30 knots. Wind waves around 11 feet. Northwest swell 6 feet and southeast 3 feet. Scattered showers.

THURSDAY NIGHT:
Northeast winds to 25 knots. Wind waves around 11 feet. Northwest swell 6 feet and southeast 3 feet. Scattered showers.

FRIDAY:
East winds 20 knots. Wind waves 9 to 10 feet. Mixed swell north 4 to 6 feet and southeast 3 feet. Scattered showers.

SATURDAY:
East winds 20 knots. Wind waves 7 to 8 feet. Mixed swell north 4 feet and southeast 3 feet. Scattered showers.