168 FZHW50 PHFO 151343 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 343 AM HST Wed Apr 15 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-160245- 343 AM HST Wed Apr 15 2026 .Synopsis for Hawaiian coastal waters... A surface trough northwest of the state will remain in place through Thursday and should maintain gentle to locally moderate east southeast flow across the local waters. High pressure will build north of the region Friday into the weekend and bring moderate to locally fresh trades. $$ PHZ110-160245- Kauai Northwest Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: Northwest 3 feet at 9 seconds. A slight chance of showers. .TONIGHT...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 9 seconds. A slight chance of showers. .THURSDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers. .FRIDAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of showers. .SATURDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of showers, mainly in the morning. .SUNDAY...East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers. $$ PHZ111-160245- Kauai Windward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds, northwest 3 feet at 10 seconds and south 3 feet at 12 seconds. A slight chance of showers. .TONIGHT...Northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and northwest 3 feet at 9 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A chance of showers, mainly in the morning. .THURSDAY NIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds. A chance of showers, mainly in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of showers. .SATURDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. .SUNDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. $$ PHZ112-160245- Kauai Leeward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 9 seconds and south 3 feet at 12 seconds. A slight chance of showers. .TONIGHT...North northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 9 seconds and south 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .FRIDAY NIGHT...Winds east northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers. .SATURDAY...East winds to 15 knots, becoming east southeast. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds. A chance of showers, mainly in the morning. .SUNDAY...East winds 7 to 10 knots, backing to northeast after midnight. In the Kaulakahi Channel, winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. $$ PHZ113-160245- Kauai Channel- 343 AM HST Wed Apr 15 2026 .TODAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...Northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .FRIDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .FRIDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers. .SUNDAY...East southeast winds 7 to 10 knots, backing to east northeast 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. $$ PHZ114-160245- Oahu Windward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds and northwest 3 feet at 10 seconds. A slight chance of showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots in the afternoon. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A chance of showers, mainly in the morning. .THURSDAY NIGHT...East northeast winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers, mainly in the morning. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. .SUNDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. $$ PHZ115-160245- Oahu Leeward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. .TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. A slight chance of showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 10 to 15 knots, becoming variable less than 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .SUNDAY...North northeast winds 7 to 10 knots, veering to east to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers. $$ PHZ116-160245- Kaiwi Channel- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. A slight chance of showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers. .FRIDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers, mainly in the morning. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. $$ PHZ117-160245- Maui County Windward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds and northwest 3 feet at 10 seconds. A slight chance of showers this morning. .TONIGHT...East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A chance of showers, mainly in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers, mainly in the morning. .FRIDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A slight chance of showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. .SUNDAY...East southeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. $$ PHZ118-160245- Maui County Leeward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East winds 15 to 20 knots, becoming east southeast 10 to 15 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 12 seconds. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 13 seconds. A slight chance of showers. .THURSDAY NIGHT...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. A slight chance of showers. .FRIDAY...East winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 3 to 4 feet. A slight chance of showers. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers. .SUNDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. A slight chance of showers. $$ PHZ119-160245- Maalaea Bay- 343 AM HST Wed Apr 15 2026 .TODAY...North winds to 20 knots. Seas to 2 feet or less. .TONIGHT...North winds to 20 knots. Seas to 2 feet or less. A slight chance of showers in the evening. .THURSDAY...North winds to 20 knots. Seas to 2 feet or less. A slight chance of showers in the afternoon. .THURSDAY NIGHT...North winds to 20 knots, becoming north northeast after midnight. Seas to 2 feet or less. A slight chance of showers in the evening. .FRIDAY...North northeast winds to 15 knots, rising to 20 knots in the afternoon. Seas to 2 feet or less. A slight chance of showers in the afternoon. .FRIDAY NIGHT...North northeast winds to 20 knots. Seas to 2 feet or less. .SATURDAY...North northeast winds to 20 knots, rising to 25 knots in the afternoon and evening, easing to 20 knots after midnight. Seas to 2 feet or less. A slight chance of showers in the evening. .SUNDAY...North northeast winds to 20 knots. Seas to 2 feet or less. A slight chance of showers through the night. $$ PHZ120-160245- Pailolo Channel- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. A slight chance of showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet. A slight chance of showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas to 3 feet in the morning, then to 2 feet or less. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. A slight chance of showers. .FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 3 feet. A slight chance of showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 15 to 20 knots, becoming east 20 to 25 knots in the afternoon and evening, then becoming north northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. A slight chance of showers in the morning. A chance of showers in the afternoon, then a slight chance of showers through the day. .SUNDAY...East southeast winds 15 to 20 knots, backing to east northeast. Seas to 3 feet. A slight chance of showers. $$ PHZ121-160245- Alenuihaha Channel- 343 AM HST Wed Apr 15 2026 .TODAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds and south 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A slight chance of showers. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers. .FRIDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the evening, then becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of showers. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. $$ PHZ122-160245- Big Island Windward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 12 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds and south 3 feet at 13 seconds. A chance of showers, mainly in the morning. .THURSDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. A chance of showers, mainly in the morning. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. A slight chance of showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. $$ PHZ123-160245- Big Island Leeward Waters- 343 AM HST Wed Apr 15 2026 .TODAY...West of the Big Island, south southwest winds 7 to 10 knots, veering to west this afternoon. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds and south 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...West of the Big Island, northwest winds to 10 knots, backing to west southwest 7 to 10 knots after midnight. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and south 3 feet at 12 seconds. A slight chance of showers. .THURSDAY...West of the Big Island, south southwest winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Near South Point, east winds 15 to 20 knots. Seas 3 to 4 feet. A slight chance of showers in the morning. .THURSDAY NIGHT...West of the Big Island, winds variable less than 10 knots, becoming south southwest 7 to 10 knots after midnight. Near South Point, east northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. A slight chance of showers. .FRIDAY...West of the Big Island, north northwest winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near South Point, east northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. A slight chance of showers in the morning. .FRIDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. .SATURDAY...West of the Big Island, winds variable less than 10 knots, becoming west northwest 7 to 10 knots. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. A slight chance of showers. .SUNDAY...West of the Big Island, winds variable less than 10 knots, becoming southwest 7 to 10 knots in the afternoon, then becoming variable less than 10 knots in the evening, becoming north northwest 7 to 10 knots after midnight. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers. $$ PHZ124-160245- Big Island Southeast Waters- 343 AM HST Wed Apr 15 2026 .TODAY...East northeast winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 12 seconds. A slight chance of showers this morning. .TONIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 12 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 13 seconds. A chance of showers, mainly in the morning. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers, mainly in the morning. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. A chance of showers in the morning, then a slight chance of showers through the night. A chance of showers after midnight. $$