Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
885 FZHW50 PHFO 180758 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 958 PM HST Thu Sep 17 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-182015- 958 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. $$ PHZ110-182015- Kauai Northwest Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers. .FRIDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .SATURDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 14 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 13 seconds. Isolated showers. Scattered showers after midnight. .TUESDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 9 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ111-182015- Kauai Windward Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 18 seconds. Occasional showers with a slight chance of thunderstorms. .FRIDAY...East northeast winds to 15 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 17 seconds. Numerous 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 15 to 20 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 15 to 20 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 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, then showers likely after midnight. Winds and seas higher in and near tstms. $$ PHZ112-182015- Kauai Leeward Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 7 seconds and south southwest 3 feet at 18 seconds. Scattered showers with a slight chance of thunderstorms. .FRIDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 3 feet at 17 seconds. Numerous showers, mainly in the morning. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 16 seconds. Scattered showers. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 16 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 15 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. Isolated showers in the evening. Scattered showers after midnight. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Isolated showers, then scattered showers after midnight. .TUESDAY...East northeast winds 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds and south 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ113-182015- Kauai Channel- 958 PM HST Thu Sep 17 2026 .REST OF 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 showers, mainly in the morning. .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 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. .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 15 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 to 15 knots, rising 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. $$ PHZ114-182015- Oahu Windward Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds 15 to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms. .FRIDAY...East winds 15 to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .FRIDAY NIGHT...East winds to 20 knots. Seas to 7 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .SATURDAY...East winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .TUESDAY...East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 9 seconds. Scattered showers, then showers likely after midnight. Winds and seas higher in and near tstms. $$ PHZ115-182015- Oahu Leeward Waters- 958 PM HST Thu Sep 17 2026 .REST OF 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. .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 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. .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 15 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. $$ PHZ116-182015- Kaiwi Channel- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds. Numerous showers this evening. A slight chance of thunderstorms. Scattered showers. .FRIDAY...East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .FRIDAY NIGHT...East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet at 16 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 7 seconds and south southwest 4 feet at 15 seconds. Isolated showers. .MONDAY...East northeast winds to 20 knots. Seas 5 to 8 feet. Wave Detail: East northeast 7 feet at 6 seconds and south southwest 4 feet at 14 seconds. Isolated showers through the night. Scattered showers in the evening, then isolated showers after midnight. .TUESDAY...East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at 8 seconds and south southwest 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ117-182015- Maui County Windward Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East winds 15 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. .FRIDAY...East winds to 20 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 15 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 showers likely through the day. Winds and seas higher in and near tstms. $$ PHZ118-182015- Maui County Leeward Waters- 958 PM HST Thu Sep 17 2026 .REST OF TONIGHT...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds. Scattered showers with a slight chance of thunderstorms. .FRIDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south southwest 3 feet at 16 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 4 feet at 6 seconds and south 4 feet at 15 seconds. .SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 15 seconds. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers after midnight. .TUESDAY...Northeast winds 10 to 15 knots, rising to 15 to 20 knots in the evening, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and south 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ119-182015- Maalaea Bay- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...North northeast 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. .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. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds. Isolated showers through the night. Scattered showers after midnight. Winds and seas higher in and near tstms. $$ PHZ120-182015- Pailolo Channel- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers with a slight chance of thunderstorms. .FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers. .FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers after midnight. .SATURDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers. .TUESDAY...East northeast winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ121-182015- Alenuihaha Channel- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...East northeast winds 20 to 25 knots. Seas 5 to 8 feet, building to 7 to 8 feet. 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. 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. Seas 5 to 7 feet. Wave Detail: East 7 feet at 9 seconds and south southwest 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ122-182015- Big Island Windward Waters- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms this evening, then scattered showers. .FRIDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 8 seconds and south southwest 3 feet at 17 seconds. Scattered showers. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 3 feet at 16 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 9 seconds and south southwest 4 feet at 15 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 9 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 10 seconds and south 4 feet at 14 seconds. Scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 10 seconds and south 3 feet at 12 seconds. Showers likely. Winds and seas higher in and near tstms. $$ PHZ123-182015- Big Island Leeward Waters- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...Winds variable less than 10 knots west of the Big Island...East to 20 knots near South Point. 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 northwest 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 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...Winds variable less than 10 knots west of the Big Island...East 20 to 25 knots near South Point. 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...Winds variable less than 10 knots west of the Big Island...East 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. .SATURDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 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...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 15 seconds. Isolated showers in the morning. .SUNDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 15 to 20 knots near South Point. 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 7 to 10 knots, becoming 10 to 15 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 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northeast 4 feet at 6 seconds and south 3 feet at 12 seconds. Isolated showers through the night. Scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ124-182015- Big Island Southeast Waters- 958 PM HST Thu Sep 17 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY SATURDAY MORNING... .REST OF TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Numerous showers with a slight chance of thunderstorms this evening, then scattered showers. .FRIDAY...East northeast winds to 20 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 17 seconds. Scattered showers. .FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .SATURDAY...East northeast winds to 20 knots. Seas to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds to 20 knots. Seas to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 7 feet at 7 seconds and south southwest 4 feet at 15 seconds. Scattered showers, mainly in the evening. .MONDAY...Northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 8 feet at 10 seconds and south 4 feet at 14 seconds. Isolated showers through the night, then scattered showers through the day. .TUESDAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 7 feet at 10 seconds and south 3 feet at 12 seconds. Scattered showers through the night, then showers likely through the day. Winds and seas higher in and near tstms. $$