


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
109 FZHW50 PHFO 051318 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 317 AM HST Sun Oct 5 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-060200- 317 AM HST Sun Oct 5 2025 .Synopsis for Hawaiian coastal waters... High pressure to the northeast will allow for moderate east- northeast trades to build across the region today. A trough developing to the northeast over the next couple of days will weaken the winds again. $$ PHZ110-060200- Kauai Northwest Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers this morning. .TONIGHT...Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...Northeast winds to 15 knots. Seas 5 to 7 feet. Wave Detail: North 6 feet at 10 seconds and east 4 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds to 10 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 14 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas to 5 feet. Wave Detail: North 5 feet at 8 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds. Scattered showers. .THURSDAY...South southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North northeast 4 feet at 10 seconds. Scattered showers. $$ PHZ111-060200- Kauai Windward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Scattered showers this morning. Isolated showers this afternoon. .TONIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 3 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North 6 feet at 10 seconds and east 3 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds to 10 knots in the evening, becoming variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 14 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas to 5 feet. Wave Detail: North 5 feet at 8 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. .WEDNESDAY...South southeast winds 7 to 10 knots, becoming variable less than 10 knots, then becoming south 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: North northwest 4 feet at 11 seconds. Scattered showers. .THURSDAY...South southeast winds 7 to 10 knots, becoming variable less than 10 knots, then becoming east southeast to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. $$ PHZ112-060200- Kauai Leeward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 12 seconds. Isolated showers. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and north northwest 4 feet at 11 seconds. Isolated showers. .MONDAY...Northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 10 seconds and east 3 feet at 5 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 14 seconds. Scattered showers. .TUESDAY...East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 12 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 9 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming south 7 to 10 knots in the afternoon, then becoming variable less than 10 knots in the evening, becoming south southeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: North 4 feet at 9 seconds. Scattered showers. .THURSDAY...South southeast winds 7 to 10 knots, becoming variable less than 10 knots, then becoming east southeast to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. $$ PHZ113-060200- Kauai Channel- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 12 seconds. Isolated showers. .TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds and north northwest 4 feet at 11 seconds. Isolated showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 5 feet at 10 seconds and east 3 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. .TUESDAY...East northeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 9 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots, becoming south southeast 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: North 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming south 7 to 10 knots in the afternoon, then becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Scattered showers. .THURSDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. $$ PHZ114-060200- Oahu Windward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Scattered showers, mainly this morning. .TONIGHT...Northeast winds 10 to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 3 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 10 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 14 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 13 seconds. Scattered showers. .TUESDAY NIGHT...South southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 11 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas to 4 feet. Wave Detail: Northwest 3 feet at 11 seconds. Scattered showers. .THURSDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east southeast 3 feet at 8 seconds. Scattered showers. $$ PHZ115-060200- Oahu Leeward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 4 feet at 12 seconds. Isolated showers this morning. .TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 11 seconds and east 3 feet at 4 seconds. Isolated showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .MONDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 4 feet at 10 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 9 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Scattered showers. .THURSDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: North 3 feet at 10 seconds. Isolated showers. $$ PHZ116-060200- Kaiwi Channel- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 5 seconds. Isolated showers this morning. .TONIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east northeast 3 feet at 4 seconds. Isolated showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 10 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .MONDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 12 seconds. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 9 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Scattered showers . .THURSDAY...Winds variable less than 10 knots, becoming east 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east southeast 3 feet at 5 seconds. Isolated showers. $$ PHZ117-060200- Maui County Windward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Scattered showers, mainly this morning. .TONIGHT...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 3 feet at 7 seconds. Scattered showers. .MONDAY...East northeast winds to 10 knots. Seas to 5 feet. Wave Detail: North northwest 5 feet at 10 seconds. Scattered showers. .MONDAY NIGHT...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots after midnight. Seas to 5 feet. Wave Detail: North northwest 4 feet at 15 seconds. Scattered showers. .TUESDAY...East southeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: North northwest 4 feet at 13 seconds. Scattered showers. .TUESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 4 feet. Wave Detail: North northwest 4 feet at 12 seconds. Scattered showers. .WEDNESDAY...Southeast winds 7 to 10 knots. Seas to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers. .THURSDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east 3 feet at 8 seconds. Isolated showers in the morning, then scattered showers. $$ PHZ118-060200- Maui County Leeward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots this afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 12 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. .MONDAY...Northeast winds 10 to 15 knots, veering to east 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Isolated showers. .MONDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY...Winds variable less than 10 knots, becoming east 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. $$ PHZ119-060200- Maalaea Bay- 318 AM HST Sun Oct 5 2025 .TODAY...North northeast winds 15 to 20 knots. Seas to 2 feet or less. .TONIGHT...North northeast winds 10 to 15 knots. Seas to 2 feet or less. .MONDAY...Northeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers in the afternoon. .MONDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers, mainly in the evening. .WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers through the night. $$ PHZ120-060200- Pailolo Channel- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .TONIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .MONDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers in the morning, then scattered showers in the afternoon. .MONDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers . .THURSDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning, then scattered showers in the afternoon. Isolated showers through the day. $$ PHZ121-060200- Alenuihaha Channel- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the afternoon. .MONDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .TUESDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .WEDNESDAY...East southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY...East northeast winds 7 to 10 knots, veering to east 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. $$ PHZ122-060200- Big Island Windward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 3 feet at 6 seconds. Scattered showers. .TONIGHT...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 3 feet at 7 seconds. Isolated showers. .MONDAY...East northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 11 seconds. Isolated showers in the morning. .MONDAY NIGHT...East winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Isolated showers. .WEDNESDAY...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Isolated showers in the morning. Scattered showers in the afternoon, then isolated showers through the day. .THURSDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 10 seconds and east 3 feet at 8 seconds. Isolated showers. $$ PHZ123-060200- Big Island Leeward Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East southeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers. .MONDAY...East southeast winds 10 to 15 knots, veering to south 7 to 10 knots in the afternoon. Seas 3 to 4 feet. Isolated showers in the morning. .MONDAY NIGHT...South southeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .TUESDAY...Southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .TUESDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .WEDNESDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY...Northeast winds 10 to 15 knots, veering to east southeast in the evening, then becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. $$ PHZ124-060200- Big Island Southeast Waters- 318 AM HST Sun Oct 5 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers, mainly this morning. .TONIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. .MONDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the afternoon. .MONDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .TUESDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .TUESDAY NIGHT...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .WEDNESDAY...East winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers through the night. Scattered showers through the day. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. $$