National Weather Service Marine Forecast FZHW50 PHFO

FZHW50 PHFO 180120
CWFHFO

Coastal Waters Forecast
National Weather Service Honolulu HI
320 PM HST Thu Sep 17 2026

Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary.

PHZ100-181415
320 PM HST Thu Sep 17 2026

Synopsis for Hawaiian coastal waters

Moderate to locally strong trades will strengthen slightly through the weekend. Isolated thunderstorms are possible into Friday as a trough moves through the area.

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PHZ110-181415
Kauai Northwest Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East northeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers after midnight.

FRIDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous heavy showers in the morning, then scattered showers in the afternoon.

FRIDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

SATURDAY
East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 16 seconds. Scattered showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers, mainly in the morning.

SUNDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 14 seconds. Isolated showers.

MONDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 13 seconds. Isolated showers. Scattered showers after midnight.

TUESDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 9 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ111-181415
Kauai Windward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 17 seconds. Occasional showers with a slight chance of thunderstorms.

FRIDAY
East winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 17 seconds. Numerous heavy showers.

FRIDAY NIGHT
East winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers.

SATURDAY
East winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south 4 feet at 16 seconds. Scattered showers.

SATURDAY NIGHT
East winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south 4 feet at 16 seconds. Scattered showers.

SUNDAY
East winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. Scattered showers, mainly in the morning.

SUNDAY NIGHT
East winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. Scattered showers.

MONDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south 4 feet at 13 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day.

TUESDAY
East northeast winds to 15 knots, becoming 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 9 seconds and south 3 feet at 12 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ112-181415
Kauai Leeward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 7 seconds and south southwest 3 feet at 18 seconds. Scattered showers with a slight chance of thunderstorms.

FRIDAY
East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 3 feet at 17 seconds. Numerous heavy showers in the morning, then scattered showers in the afternoon.

FRIDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers.

SATURDAY
East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 16 seconds. Scattered showers.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 16 seconds. Scattered showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 15 seconds. Scattered showers in the morning. Isolated showers in the afternoon.

SUNDAY NIGHT
East northeast winds to 20 knots. In the Kaulakahi Channel, east winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. Isolated showers in the evening. Scattered showers after midnight.

MONDAY
East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Isolated showers, then scattered showers after midnight.

TUESDAY
East northeast winds 15 to 20 knots, becoming northeast 10 to 15 knots in the afternoon, then becoming east northeast 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 3 feet at 12 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ113-181415
Kauai Channel
320 PM HST Thu Sep 17 2026

TONIGHT
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 18 seconds. Numerous showers with a slight chance of thunderstorms.

FRIDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Numerous heavy showers in the morning, then scattered showers in the afternoon.

FRIDAY NIGHT
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 4 feet at 16 seconds. Scattered showers.

SATURDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 16 seconds. Scattered showers.

SATURDAY NIGHT
East northeast winds to 20 knots, easing to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 16 seconds. Scattered showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers.

MONDAY
East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Isolated showers. Scattered showers after midnight.

TUESDAY
East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 12 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ114-181415
Oahu Windward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East winds 15 to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms.

FRIDAY
East winds 15 to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous heavy showers in the morning, then scattered showers in the afternoon.

FRIDAY NIGHT
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

SATURDAY
East winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers, mainly in the morning.

SUNDAY NIGHT
East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

MONDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day.

TUESDAY
East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ115-181415
Oahu Leeward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 3 feet at 18 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers after midnight.

FRIDAY
East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers.

FRIDAY NIGHT
East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 4 feet at 16 seconds. Scattered showers.

SATURDAY
East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers.

MONDAY
East northeast winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers in the morning. Isolated showers through the day.

TUESDAY
Northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day.

Winds and seas higher in and near tstms.

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PHZ116-181415
Kaiwi Channel
320 PM HST Thu Sep 17 2026

TONIGHT
East winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers after midnight.

FRIDAY
East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers.

FRIDAY NIGHT
East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet at 16 seconds. Isolated showers after midnight.

SATURDAY
East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 7 seconds and south southwest 4 feet at 15 seconds. Isolated showers.

MONDAY
East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East northeast 7 feet at 6 seconds and south southwest 4 feet at 14 seconds. Isolated showers through the night. Scattered showers in the evening, then isolated showers after midnight.

TUESDAY
East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at 7 seconds and south southwest 3 feet at 12 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day.

Winds and seas higher in and near tstms.

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PHZ117-181415
Maui County Windward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers after midnight.

FRIDAY
East winds 20 to 25 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

FRIDAY NIGHT
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

SATURDAY
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers, mainly in the morning.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight.

SUNDAY
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers, mainly in the morning.

SUNDAY NIGHT
East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers.

MONDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers.

TUESDAY
East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers through the night, then numerous showers through the day.

Winds and seas higher in and near tstms.

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PHZ118-181415
Maui County Leeward Waters
320 PM HST Thu Sep 17 2026

TONIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers with a slight chance of thunderstorms.

FRIDAY
East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers in the morning. Isolated showers in the afternoon.

FRIDAY NIGHT
East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 3 feet at 16 seconds. Isolated showers.

SATURDAY
East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 6 seconds and south 4 feet at 15 seconds.

SUNDAY NIGHT
East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 15 seconds.

MONDAY
Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers after midnight.

TUESDAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and south 3 feet at 12 seconds. Isolated showers.

Winds and seas higher in and near tstms.

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PHZ119-181415
Maalaea Bay
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
North winds to 25 knots. Seas to 2 feet or less. Wave Detail: Northeast 2 feet at 3 seconds. Scattered showers with a slight chance of thunderstorms this evening, then isolated showers after midnight.

FRIDAY
North northeast winds to 25 knots. Seas to 2 feet or less. Wave Detail: East northeast 2 feet at 3 seconds.

FRIDAY NIGHT
North winds to 25 knots. Seas to 2 feet or less. Wave Detail: East northeast 2 feet at 3 seconds.

SATURDAY
North winds to 25 knots. Seas to 2 feet or less. Wave Detail: Northeast 2 feet at 3 seconds.

SATURDAY NIGHT
North winds to 25 knots. Seas to 2 feet or less. Wave Detail: Northeast 2 feet at 3 seconds.

SUNDAY
North winds to 25 knots. Seas to 3 feet. Wave Detail: Northeast 3 feet at 3 seconds.

SUNDAY NIGHT
North winds to 25 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds.

MONDAY
North winds to 25 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds.

TUESDAY
North winds to 25 knots, easing to 20 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds.

Winds and seas higher in and near tstms.

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PHZ120-181415
Pailolo Channel
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers with a slight chance of thunderstorms.

FRIDAY
East northeast winds to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers.

FRIDAY NIGHT
East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers after midnight.

SATURDAY
East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon.

SATURDAY NIGHT
East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers.

SUNDAY
East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers.

MONDAY
East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers.

TUESDAY
East northeast winds 20 to 25 knots, easing to 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers.

Winds and seas higher in and near tstms.

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PHZ121-181415
Alenuihaha Channel
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 5 to 8 feet, building to 7 to 8 feet after midnight. Wave Detail: East 7 feet at 8 seconds. A slight chance of thunderstorms this evening. Scattered showers.

FRIDAY
East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: East 8 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers.

FRIDAY NIGHT
East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 8 feet at 7 seconds and south southwest 3 feet at 16 seconds. Isolated showers.

SATURDAY
East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 15 seconds. Scattered showers.

MONDAY
East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 9 seconds and south southwest 4 feet at 14 seconds. Scattered showers. Isolated showers after midnight.

TUESDAY
East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 7 feet at 9 seconds and south southwest 3 feet at 12 seconds. Isolated showers. Scattered showers after midnight.

Winds and seas higher in and near tstms.

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PHZ122-181415
Big Island Windward Waters
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
East winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms this evening, then scattered showers after midnight.

FRIDAY
East winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 8 seconds and south southwest 3 feet at 17 seconds. Scattered showers.

FRIDAY NIGHT
East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 3 feet at 16 seconds. Isolated showers.

SATURDAY
East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 9 seconds and south 4 feet at 15 seconds. Scattered showers.

MONDAY
Northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 10 seconds and south 4 feet at 14 seconds. Scattered showers.

TUESDAY
East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers in the morning, then numerous showers.

Winds and seas higher in and near tstms.

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PHZ123-181415
Big Island Leeward Waters
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
West of the Big Island, south winds 10 to 15 knots, veering to northwest 7 to 10 knots after midnight. Near South Point, east winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds. A slight chance of thunderstorms this evening. Scattered showers.

FRIDAY
West of the Big Island, west southwest winds 7 to 10 knots, veering to northwest in the afternoon. Near South Point, east winds to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 3 feet at 17 seconds. Scattered showers. A slight chance of thunderstorms in the afternoon.

FRIDAY NIGHT
West of the Big Island, winds variable less than 10 knots, becoming north northeast 7 to 10 knots after midnight. Near South Point, east winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 3 feet at 16 seconds. Isolated showers.

SATURDAY
West of the Big Island, south southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near South Point, east winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
West of the Big Island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon. Near South Point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 4 feet at 15 seconds. Isolated showers in the morning.

SUNDAY NIGHT
West of the Big Island, winds variable less than 10 knots. Near South Point, east northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers after midnight.

MONDAY
West of the Big Island, winds variable less than 10 knots. Near South Point, northeast winds 10 to 15 knots, becoming 7 to 10 knots. Seas 5 to 7 feet. Wave Detail: Northeast 5 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers after midnight.

TUESDAY
West of the Big Island, winds variable less than 10 knots. Near South Point, east northeast winds 7 to 10 knots, becoming 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 3 feet at 12 seconds. Isolated showers.

Winds and seas higher in and near tstms.

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PHZ124-181415
Big Island Southeast Waters
320 PM HST Thu Sep 17 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING

TONIGHT
East northeast winds 20 to 25 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Numerous showers with a slight chance of thunderstorms this evening, then scattered showers after midnight.

FRIDAY
East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers, mainly in the morning.

FRIDAY NIGHT
East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 16 seconds. Scattered showers.

SATURDAY
East northeast winds to 20 knots. Seas to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SATURDAY NIGHT
East northeast winds to 20 knots. Seas to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 4 feet at 16 seconds. Isolated showers.

SUNDAY
East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers.

SUNDAY NIGHT
East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 7 feet at 7 seconds and south southwest 4 feet at 15 seconds. Scattered showers, mainly in the evening.

MONDAY
Northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 8 feet at 10 seconds and south 4 feet at 14 seconds. Isolated showers through the night, then scattered showers through the day.

TUESDAY
East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers.

Winds and seas higher in and near tstms.