


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
281 FZHW50 PHFO 041312 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 311 AM HST Sat Oct 4 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-050200- 311 AM HST Sat Oct 4 2025 .Synopsis for Hawaiian coastal waters... A weakening cold front to the northwest, and a weakening trough to the northeast will continue to weaken today. This will allow east-northeast trades to build back into the region with high pressure to the northwest. A trough may develop to the northeast of the state early next week, which will weaken winds again. $$ PHZ110-050200- Kauai Northwest Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 15 to 20 knots. Seas 3 to 4 feet, building to 5 to 6 feet this afternoon. Wave Detail: East 4 feet at 7 seconds and north northwest 4 feet at 13 seconds. Hazy. Scattered showers. .TONIGHT...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Hazy in the evening. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 10 seconds and east 4 feet at 5 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 12 seconds and east 3 feet at 10 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 5 feet at 8 seconds. Scattered showers. .WEDNESDAY...South southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds. Scattered showers. $$ PHZ111-050200- Kauai Windward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 14 seconds. Hazy this morning. Scattered showers, mainly this morning. .TONIGHT...East winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...North northeast winds 10 to 15 knots. Seas 5 to 6 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 in the evening, becoming variable less than 10 knots. Seas to 5 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 5 feet at 8 seconds. Scattered showers. .WEDNESDAY...South southeast winds 7 to 10 knots, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds. Scattered showers. $$ PHZ112-050200- Kauai Leeward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet, building to 4 to 6 feet this afternoon. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 13 seconds. Hazy. Scattered showers. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Hazy in the evening. Scattered showers, mainly in the evening. .SUNDAY...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 11 seconds. Isolated showers in the evening. Scattered showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 10 seconds and east 4 feet at 5 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds 10 to 15 knots, veering to east northeast 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: North 5 feet at 14 seconds and east northeast 3 feet at 4 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. $$ PHZ113-050200- Kauai Channel- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 10 to 15 knots, rising to 15 to 20 knots this afternoon. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 14 seconds. Hazy. Scattered showers this morning. Isolated showers this afternoon. .TONIGHT...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. .SUNDAY...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 5 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds and north northwest 4 feet at 11 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North 5 feet at 10 seconds and east northeast 4 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: North 5 feet at 9 seconds and east northeast 3 feet at 4 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: North 4 feet at 10 seconds. Scattered showers. $$ PHZ114-050200- Oahu Windward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 14 seconds. Isolated showers. .TONIGHT...East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 13 seconds and east 4 feet at 6 seconds. Isolated showers. .SUNDAY...East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...Northeast winds to 15 knots, easing to 10 knots after midnight. Seas 5 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 6 seconds. Scattered showers. .MONDAY...Northeast winds to 10 knots. Seas 5 to 6 feet. Wave Detail: North 5 feet at 10 seconds and east 3 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North 5 feet at 14 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots, becoming southeast 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North 5 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 4 feet at 10 seconds. Scattered showers. $$ PHZ115-050200- Oahu Leeward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 14 seconds. Hazy. Scattered showers this morning. Isolated showers this afternoon. .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 12 seconds. Isolated showers. .SUNDAY...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 12 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. 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 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 10 seconds and east northeast 3 feet at 4 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .MONDAY NIGHT...Northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 9 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Scattered showers. $$ PHZ116-050200- Kaiwi Channel- 312 AM HST Sat Oct 4 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 4 feet at 14 seconds. Isolated showers this morning. .TONIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and north northwest 5 feet at 12 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east northeast 4 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east northeast 4 feet at 5 seconds. Isolated showers. .MONDAY...Northeast winds to 10 knots. Seas 4 to 6 feet. Wave Detail: North 5 feet at 10 seconds and east northeast 3 feet at 4 seconds. Isolated showers. .MONDAY NIGHT...Northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North 4 feet at 11 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 10 seconds. Isolated showers through the night, then scattered showers in the evening. Isolated showers after midnight. $$ PHZ117-050200- Maui County Windward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 3 feet at 14 seconds. Isolated showers. .TONIGHT...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 13 seconds and east 4 feet at 6 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 5 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 4 feet at 5 seconds. Scattered showers. .MONDAY...East northeast winds 7 to 10 knots. Seas 4 to 5 feet. Wave Detail: North northwest 5 feet at 10 seconds. Scattered showers. .MONDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North northwest 5 feet at 15 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots, becoming southeast 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 12 seconds. Scattered showers. .WEDNESDAY...East southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers. $$ PHZ118-050200- Maui County Leeward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Hazy this morning. Isolated showers. .TONIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and north northwest 3 feet at 12 seconds. .SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 12 seconds. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers after midnight. .MONDAY...North northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 10 seconds. Isolated showers. .MONDAY NIGHT...East northeast winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 10 seconds. Scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas to 3 feet. Wave Detail: North 3 feet at 8 seconds. Scattered showers. .WEDNESDAY...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. $$ PHZ119-050200- Maalaea Bay- 312 AM HST Sat Oct 4 2025 .TODAY...North winds 10 to 15 knots. Seas to 2 feet or less. .TONIGHT...North northeast winds to 20 knots. Seas to 2 feet or less. .SUNDAY...North northeast winds 15 to 20 knots. Seas to 2 feet or less. .SUNDAY NIGHT...North winds to 10 knots in the evening, becoming variable less than 10 knots. Seas to 2 feet or less. .MONDAY...Winds variable less than 10 knots. Seas to 2 feet or less. .MONDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers after midnight. .TUESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers in the afternoon. Isolated showers through the day. .WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. $$ PHZ120-050200- Pailolo Channel- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 4 seconds. Isolated showers this morning. Scattered showers this afternoon. .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the evening. Scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .SUNDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .MONDAY...Northeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .MONDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening, then scattered showers after midnight. .TUESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers . .WEDNESDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots in the evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers through the night. Isolated showers after midnight. $$ PHZ121-050200- Alenuihaha Channel- 312 AM HST Sat Oct 4 2025 .TODAY...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 5 feet at 6 seconds. Hazy this morning. Isolated showers. .TONIGHT...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers in the evening. Isolated showers after midnight. .MONDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .MONDAY NIGHT...East winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas to 3 feet in the evening, then to 2 feet or less. Isolated showers. .TUESDAY...Winds variable less than 10 knots, becoming southeast 7 to 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers in the afternoon. Isolated showers through the day. .WEDNESDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers. $$ PHZ122-050200- Big Island Windward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 3 feet at 14 seconds. Scattered showers. .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 4 feet at 7 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 12 seconds and east 3 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: North northwest 5 feet at 11 seconds and east 3 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North northwest 4 feet at 11 seconds. Isolated showers. .MONDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 4 feet at 12 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 4 feet at 12 seconds. Isolated showers. .WEDNESDAY...East southeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: North northwest 3 feet at 11 seconds. Isolated showers. $$ PHZ123-050200- Big Island Leeward Waters- 312 AM HST Sat Oct 4 2025 .TODAY...Southeast winds 15 to 20 knots, backing to north this afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Hazy. Isolated showers. .TONIGHT...East southeast winds 15 to 20 knots, backing to northeast after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Hazy. Isolated showers. .SUNDAY...East winds 15 to 20 knots, veering to south southeast in the afternoon. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Hazy. Isolated showers in the afternoon. .SUNDAY NIGHT...East southeast winds 10 to 15 knots, backing to north northeast after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Hazy. Isolated showers. .MONDAY...North winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Isolated showers. .MONDAY NIGHT...Winds variable less than 10 knots, becoming south southeast 7 to 10 knots after midnight. Seas to 3 feet. Isolated showers in the evening, then scattered showers after midnight. .TUESDAY...Southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...Northeast winds 7 to 10 knots, veering to east southeast 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. $$ PHZ124-050200- Big Island Southeast Waters- 312 AM HST Sat Oct 4 2025 .TODAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers, mainly this morning. .TONIGHT...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .MONDAY NIGHT...East winds 7 to 10 knots in the evening, becoming variable less than 10 knots. Seas to 3 feet. Scattered showers. .TUESDAY...East winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers through the night. Scattered showers through the day. $$