Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
756 FZHW50 PHFO 211412 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 412 AM HST Fri Aug 21 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-220315- 412 AM HST Fri Aug 21 2026 .Synopsis for Hawaiian coastal waters... A trough passing north of Kauai this morning will continue to track northwestward and away from the state. As the trough moves away, moderate to locally fresh trades will return this afternoon. Trade winds will continue to strengthen over the weekend with gale force winds possible across the windier waters around the Big Island as Tropical Depression Two-C passes south of the state. $$ PHZ110-220315- Kauai Northwest Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East 3 feet at 7 seconds. Isolated showers this morning. .TONIGHT...East winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SATURDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and west northwest 4 feet at 12 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 6 to 7 feet. Wave Detail: East 6 feet at 8 seconds and west northwest 4 feet at 12 seconds. Scattered showers. .SUNDAY...East northeast winds 25 to 30 knots. Seas 6 to 7 feet, building to 7 to 9 feet in the afternoon. Wave Detail: East 7 feet at 8 seconds and northwest 3 feet at 11 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 7 feet at 8 seconds and northwest 3 feet at 11 seconds. Isolated showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 6 to 9 feet. Wave Detail: East 7 feet at 8 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 8 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ111-220315- Kauai Windward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers this morning. .TONIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet, building to 4 to 6 feet after midnight. Wave Detail: East 5 feet at 7 seconds. .SATURDAY...East winds to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 8 seconds and west northwest 3 feet at 11 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East winds 15 to 20 knots. Seas 7 to 8 feet. Wave Detail: East 7 feet at 8 seconds and west northwest 3 feet at 12 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East southeast 8 feet at 8 seconds and northwest 3 feet at 11 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds to 20 knots. Seas 8 to 9 feet. Wave Detail: East southeast 8 feet at 8 seconds and northwest 3 feet at 11 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: East southeast 8 feet at 8 seconds and south 3 feet at 13 seconds. Scattered showers. .TUESDAY...East winds to 15 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 8 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ112-220315- Kauai Leeward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers this morning. .TONIGHT...East southeast winds 7 to 10 knots, backing to east 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SATURDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas 4 to 5 feet, building to 5 to 7 feet in the afternoon. Wave Detail: East 5 feet at 8 seconds and west northwest 4 feet at 12 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 8 seconds, northwest 4 feet at 12 seconds and southeast 3 feet at 10 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East northeast winds 25 to 30 knots. Seas 6 to 8 feet, building to 8 to 10 feet in the afternoon. Wave Detail: East 9 feet at 8 seconds, southeast 3 feet at 10 seconds and northwest 3 feet at 11 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots. Seas 8 to 10 feet. Wave Detail: East 9 feet at 8 seconds, southeast 3 feet at 9 seconds and northwest 3 feet at 11 seconds. Isolated showers. .MONDAY...East northeast winds 25 to 30 knots, easing to 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 8 seconds, southeast 3 feet at 9 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ113-220315- Kauai Channel- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 7 to 10 knots this morning, becoming variable less than 10 knots. Seas 3 to 4 feet. .TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 7 seconds. Scattered showers. .SUNDAY...East northeast winds 20 to 25 knots, becoming northeast 25 to 30 knots in the afternoon. Seas 6 to 8 feet, building to 8 to 9 feet in the afternoon. Wave Detail: East 8 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 8 to 9 feet. Wave Detail: East 8 feet at 8 seconds. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East 8 feet at 7 seconds and south southwest 3 feet at 13 seconds. Scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ114-220315- Oahu Windward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers this afternoon. .TONIGHT...East winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 4 feet, building to 4 to 6 feet after midnight. Wave Detail: East 6 feet at 7 seconds. .SATURDAY...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East southeast 7 feet at 8 seconds and west northwest 3 feet at 12 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East 8 feet at 8 seconds and west northwest 3 feet at 12 seconds. Scattered showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 8 to 10 feet. Wave Detail: East southeast 9 feet at 9 seconds and west northwest 3 feet at 11 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 8 to 9 feet. Wave Detail: East southeast 9 feet at 8 seconds. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots, becoming east 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: East southeast 9 feet at 8 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 8 feet at 8 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ115-220315- Oahu Leeward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 7 to 10 knots, backing to east 10 to 15 knots this afternoon. Seas 3 to 4 feet. .TONIGHT...Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. .SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 4 to 5 feet, building to 5 to 7 feet in the afternoon. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 5 to 8 feet. Wave Detail: East 7 feet at 8 seconds. Scattered showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 8 feet at 8 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 8 feet at 8 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 6 to 8 feet. Wave Detail: East 6 feet at 8 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ116-220315- Kaiwi Channel- 412 AM HST Fri Aug 21 2026 .TODAY...East northeast winds 7 to 10 knots, becoming 10 to 15 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 6 seconds. .SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 5 to 6 feet, building to 5 to 8 feet in the afternoon. Wave Detail: East 7 feet at 7 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 6 to 9 feet. Wave Detail: East 8 feet at 7 seconds. Scattered showers. .SUNDAY...East northeast winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East northeast 9 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 7 to 10 feet. Wave Detail: East 9 feet at 7 seconds. Isolated showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East 9 feet at 7 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 7 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ117-220315- Maui County Windward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers this morning. Isolated showers this afternoon. .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, building to 5 to 7 feet after midnight. Wave Detail: East southeast 6 feet at 7 seconds. .SATURDAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East southeast 7 feet at 7 seconds. Scattered showers in the afternoon. .SATURDAY NIGHT...East winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 8 to 9 feet. Wave Detail: East southeast 8 feet at 8 seconds and west northwest 3 feet at 12 seconds. Scattered showers. .SUNDAY...East northeast winds 25 to 30 knots. Seas 8 to 9 feet, building to 9 to 11 feet in the afternoon. Wave Detail: East southeast 10 feet at 9 seconds. Scattered showers. .SUNDAY NIGHT...East winds 25 to 30 knots. Seas 9 to 10 feet. Wave Detail: East southeast 9 feet at 9 seconds. Scattered showers. .MONDAY...East winds 25 to 30 knots, easing to 15 to 20 knots. Seas 8 to 9 feet. Wave Detail: East southeast 9 feet at 8 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 7 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ118-220315- Maui County Leeward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...North northeast winds 7 to 10 knots, backing to north 10 to 15 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. .TONIGHT...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds. .SATURDAY...Northeast winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 5 feet at 8 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...Northeast winds 25 to 30 knots. Seas 5 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: East 9 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots, easing to 15 to 20 knots after midnight. Seas 6 to 9 feet. Wave Detail: East 9 feet at 8 seconds and south southwest 3 feet at 14 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 5 to 8 feet. Wave Detail: East southeast 6 feet at 8 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 3 feet at 15 seconds. Scattered showers through the night, then isolated showers in the evening. Scattered showers after midnight. $$ PHZ119-220315- Maalaea Bay- 412 AM HST Fri Aug 21 2026 .TODAY...North winds 15 to 20 knots. Seas to 2 feet or less. .TONIGHT...North northeast winds 20 to 25 knots. Seas to 2 feet or less. .SATURDAY...North northeast winds 25 to 30 knots. Seas to 2 feet or less. Wave Detail: Southeast 2 feet at 5 seconds. .SATURDAY NIGHT...North northeast winds 25 to 30 knots. Seas to 2 feet or less. Wave Detail: Southeast 2 feet at 6 seconds. Isolated showers after midnight. .SUNDAY...North winds to 30 knots. Seas to 2 feet or less, then 3 to 4 feet in the afternoon. Wave Detail: East 4 feet at 4 seconds. Scattered showers in the morning, then heavy showers likely in the afternoon. .SUNDAY NIGHT...North northeast winds 25 to 30 knots. Seas to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Isolated showers. .MONDAY...North winds 25 to 30 knots, easing to 20 to 25 knots. Seas to 2 feet or less. Wave Detail: South southeast 2 feet at 8 seconds. Isolated showers in the morning, then scattered showers. .TUESDAY...North winds to 25 knots. Seas to 2 feet or less. Scattered showers through the night, then isolated showers through the day. $$ PHZ120-220315- Pailolo Channel- 412 AM HST Fri Aug 21 2026 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .TONIGHT...East northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. .SATURDAY...East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 6 feet at 5 seconds. Scattered showers in the afternoon. .SATURDAY NIGHT...East northeast winds 25 to 30 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 5 seconds. Scattered showers. .SUNDAY...East northeast winds 25 to 30 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 6 seconds. Scattered showers. .MONDAY...East northeast winds 25 to 30 knots, easing to 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .TUESDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ121-220315- Alenuihaha Channel- 412 AM HST Fri Aug 21 2026 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet, building to 4 to 6 feet this afternoon. Wave Detail: East 5 feet at 6 seconds. Scattered showers this morning. .TONIGHT...East northeast winds 15 to 20 knots, rising to 20 to 25 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds. .SATURDAY...East northeast winds 20 to 25 knots, rising to 25 to 30 knots in the afternoon. Seas 5 to 8 feet, building to 7 to 10 feet in the afternoon. Wave Detail: East 9 feet at 7 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...East northeast winds 25 to 30 knots. Seas 8 to 11 feet. Wave Detail: East 11 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East northeast winds 25 to 30 knots. Seas 8 to 10 feet, building to 9 to 12 feet in the afternoon. Wave Detail: East 12 feet at 8 seconds. Scattered showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots. Seas 9 to 13 feet, subsiding to 8 to 11 feet after midnight. Wave Detail: East northeast 12 feet at 8 seconds. Scattered showers. .MONDAY...East northeast winds 25 to 30 knots, easing to 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East 8 feet at 8 seconds and south southwest 3 feet at 13 seconds. Scattered showers. .TUESDAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 7 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ122-220315- Big Island Windward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. Scattered showers, mainly this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds. Scattered showers. .SATURDAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East southeast 7 feet at 7 seconds. Scattered showers. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East southeast 8 feet at 9 seconds. Showers likely in the evening, then heavy showers after midnight. .SUNDAY...East northeast winds 25 to 30 knots. Seas 9 to 11 feet. Wave Detail: East southeast 10 feet at 9 seconds. Heavy showers likely. .SUNDAY NIGHT...East winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East southeast 9 feet at 8 seconds and south southwest 3 feet at 15 seconds. Heavy showers. .MONDAY...East southeast winds 25 to 30 knots, becoming east 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East southeast 8 feet at 8 seconds and south southwest 3 feet at 14 seconds. Heavy showers in the morning, then scattered showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ123-220315- Big Island Leeward Waters- 412 AM HST Fri Aug 21 2026 .TODAY...West of the Big Island, winds variable less than 10 knots, becoming west southwest 7 to 10 knots this afternoon. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers this morning. .TONIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 15 to 20 knots near South Point. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 6 seconds. .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 northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: Northeast 6 feet at 7 seconds and west northwest 3 feet at 11 seconds. Isolated showers in the afternoon. .SATURDAY NIGHT...West of the Big Island, winds variable less than 10 knots, becoming east southeast 7 to 10 knots after midnight. Near South Point, east northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: Northeast 7 feet at 8 seconds, southeast 3 feet at 10 seconds and west northwest 3 feet at 11 seconds. Scattered showers. .SUNDAY...West of the Big Island, northeast winds 7 to 10 knots, backing to west in the afternoon. Near South Point, east northeast winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East northeast 9 feet at 7 seconds and southeast 4 feet at 10 seconds. Heavy showers likely in the morning, then scattered showers in the afternoon. .SUNDAY NIGHT...Northwest winds 7 to 10 knots west of the Big Island...East 25 to 30 knots near South Point. Seas 7 to 10 feet. Wave Detail: East 10 feet at 7 seconds, southeast 3 feet at 9 seconds and south southwest 3 feet at 15 seconds. Scattered showers. .MONDAY...West of the Big Island, northwest winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Near South Point, east winds 25 to 30 knots, easing to 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East southeast 8 feet at 7 seconds, south southeast 3 feet at 9 seconds and south southwest 3 feet at 14 seconds. Scattered showers, then showers likely after midnight. .TUESDAY...West of the Big Island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon and evening, then becoming variable less than 10 knots after midnight. Near South Point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$ PHZ124-220315- Big Island Southeast Waters- 412 AM HST Fri Aug 21 2026 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet, building to 6 to 8 feet after midnight. Wave Detail: East southeast 7 feet at 6 seconds. Scattered showers. .SATURDAY...East northeast winds 20 to 25 knots. Seas 7 to 9 feet, building to 8 to 11 feet in the afternoon. Wave Detail: East 10 feet at 7 seconds and west northwest 3 feet at 11 seconds. Scattered showers. .SATURDAY NIGHT...Northeast winds 25 to 30 knots. Seas 9 to 12 feet. Wave Detail: East southeast 11 feet at 10 seconds and west northwest 3 feet at 11 seconds. Showers likely in the evening, then heavy showers after midnight. .SUNDAY...East northeast winds 25 to 30 knots. Seas 11 to 13 feet, subsiding to 9 to 13 feet in the afternoon. Wave Detail: East southeast 11 feet at 10 seconds. Heavy showers. .SUNDAY NIGHT...East northeast winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 8 to 11 feet. Wave Detail: East southeast 10 feet at 8 seconds and south southwest 3 feet at 15 seconds. Heavy showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 7 seconds, southeast 3 feet at 9 seconds and south southwest 3 feet at 14 seconds. Heavy showers in the morning, then scattered showers in the afternoon. Showers likely through the day. .TUESDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 3 feet at 15 seconds. Scattered showers. $$