


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
353 FZHW50 PHFO 291324 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 323 AM HST Fri Aug 29 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-300200- 323 AM HST Fri Aug 29 2025 .Synopsis for Hawaiian coastal waters... A developing low far north of the islands has displaced the typical high pressure ridge north of the islands, thus keeping gentle to locally fresh trade winds through early next week. $$ PHZ110-300200- Kauai Northwest Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East winds to 10 knots. Seas to 3 feet. Wave Detail: East 3 feet at 5 seconds. .SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .SUNDAY...East winds 7 to 10 knots. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet at 8 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north 3 feet at 8 seconds. Isolated showers after midnight. .MONDAY...East northeast winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 14 seconds and east 3 feet at 5 seconds. Isolated showers after midnight. .TUESDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 13 seconds and east 3 feet at 5 seconds. $$ PHZ111-300200- Kauai Windward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. .TONIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 9 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 8 seconds. Isolated showers after midnight. .MONDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 5 seconds. Isolated showers in the morning. Isolated showers after midnight. .TUESDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 14 seconds and east 3 feet at 5 seconds. Isolated showers after midnight. $$ PHZ112-300200- Kauai Leeward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .SUNDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 8 seconds. .SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north 3 feet at 8 seconds. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 15 seconds and southeast 3 feet at 5 seconds. Isolated showers after midnight. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 13 seconds and east southeast 3 feet at 5 seconds. $$ PHZ113-300200- Kauai Channel- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 15 seconds. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 5 seconds. .TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 5 seconds. $$ PHZ114-300200- Oahu Windward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. .TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East winds to 10 knots. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet at 9 seconds. Isolated showers. .SUNDAY NIGHT...East winds to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 8 seconds. Isolated showers. .MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 5 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 14 seconds and east southeast 3 feet at 5 seconds. Isolated showers after midnight. $$ PHZ115-300200- Oahu Leeward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 15 seconds. .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 15 seconds. Isolated showers after midnight. .SATURDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 14 seconds. .SATURDAY NIGHT...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers after midnight. .SUNDAY...East northeast winds 7 to 10 knots. Seas to 3 feet. .SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 3 feet. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 11 seconds. Isolated showers in the morning. Isolated showers after midnight. .TUESDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 14 seconds. $$ PHZ116-300200- Kaiwi Channel- 324 AM HST Fri Aug 29 2025 .TODAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south 3 feet at 15 seconds. .TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 15 seconds. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. .SATURDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds and north northwest 3 feet at 8 seconds. Isolated showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and north northwest 3 feet at 8 seconds. Isolated showers after midnight. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 4 seconds. .TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 13 seconds and east southeast 3 feet at 4 seconds. $$ PHZ117-300200- Maui County Windward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .TONIGHT...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 4 seconds. .SATURDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .SUNDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and north northwest 3 feet at 8 seconds. Isolated showers. .SUNDAY NIGHT...East southeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and north northwest 3 feet at 8 seconds. Isolated showers after midnight. .MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 4 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 14 seconds and east southeast 3 feet at 4 seconds. Isolated showers after midnight. $$ PHZ118-300200- Maui County Leeward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 15 seconds. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 15 seconds. .SATURDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. .SATURDAY NIGHT...East northeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers after midnight. .SUNDAY...East northeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet in the afternoon. .SUNDAY NIGHT...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers after midnight. .MONDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers in the morning. Isolated showers after midnight. .TUESDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers after midnight. $$ PHZ119-300200- Maalaea Bay- 324 AM HST Fri Aug 29 2025 .TODAY...North winds to 15 knots. Seas to 2 feet or less. .TONIGHT...North northeast winds 10 to 15 knots. Seas to 2 feet or less. .SATURDAY...North winds 10 to 15 knots. Seas to 2 feet or less. .SATURDAY NIGHT...North northeast winds to 15 knots in the evening, becoming variable less than 10 knots. Seas to 2 feet or less. .SUNDAY...North northeast winds 10 to 15 knots. Seas to 2 feet or less. .SUNDAY NIGHT...North northeast winds to 15 knots. Seas to 2 feet or less. .MONDAY...North northeast winds to 15 knots. Seas to 2 feet or less. .TUESDAY...North northeast winds 10 to 15 knots. Seas to 2 feet or less. $$ PHZ120-300200- Pailolo Channel- 324 AM HST Fri Aug 29 2025 .TODAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .TONIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. .SATURDAY...East winds 10 to 15 knots. Seas to 2 feet or less. .SATURDAY NIGHT...East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas to 2 feet or less. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or less. Isolated showers. .SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 2 feet or less. .MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. .TUESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. $$ PHZ121-300200- Alenuihaha Channel- 324 AM HST Fri Aug 29 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet at 15 seconds. .TONIGHT...East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south 3 feet at 15 seconds. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers after midnight. .MONDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning. Isolated showers after midnight. .TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon and evening, then becoming east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. $$ PHZ122-300200- Big Island Windward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and south 3 feet at 15 seconds. .TONIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds and south 3 feet at 15 seconds. Isolated showers. .SATURDAY...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds and south 3 feet at 14 seconds. Isolated showers in the morning. .SATURDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Isolated showers after midnight. .MONDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds and east southeast 3 feet at 11 seconds. Isolated showers after midnight. .TUESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 4 feet at 13 seconds and east southeast 3 feet at 11 seconds. Isolated showers after midnight. $$ PHZ123-300200- Big Island Leeward Waters- 324 AM HST Fri Aug 29 2025 .TODAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 15 to 20 knots, becoming to 15 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 4 seconds and south southwest 3 feet at 15 seconds. Hazy. .TONIGHT...West of the Big Island, west winds 7 to 10 knots, veering to north northwest after midnight. Near South Point, east winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south 3 feet at 15 seconds. Hazy. .SATURDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds to 15 knots, becoming 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and south 3 feet at 14 seconds. Hazy. .SATURDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .SUNDAY...Winds variable less than 10 knots west of the Big Island...East 10 to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .SUNDAY NIGHT...Winds variable less than 10 knots west of the Big Island...Northeast 10 to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .MONDAY...West of the Big Island, winds variable less than 10 knots, becoming southwest 7 to 10 knots in the evening, then becoming variable less than 10 knots after midnight. Near South Point, east winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers through the night. Scattered showers through the day. .TUESDAY...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ124-300200- Big Island Southeast Waters- 324 AM HST Fri Aug 29 2025 .TODAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds and south southwest 3 feet at 15 seconds. .TONIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and south 3 feet at 15 seconds. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds and south 3 feet at 14 seconds. .SATURDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds. Scattered showers. .SUNDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .MONDAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .TUESDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. $$