


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
309 FZHW50 PHFO 032117 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 1116 AM HST Wed Sep 3 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-041000- 1116 AM HST Wed Sep 3 2025 .Synopsis for Hawaiian coastal waters... Weak surface ridge to the north will remain nearly stationary through the forecast period. $$ PHZ110-041000- Kauai Northwest Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots, rising to 15 to 20 knots this afternoon. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds and northwest 3 feet at 12 seconds. .TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet at 11 seconds. Isolated showers after midnight. .THURSDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 12 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ111-041000- Kauai Windward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 11 seconds. Isolated showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers, mainly in the morning. .FRIDAY NIGHT...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .SATURDAY...East winds to 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. .SUNDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ112-041000- Kauai Leeward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. Isolated showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 11 seconds. Isolated showers after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds and north northwest 3 feet at 10 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon, then scattered showers through the day. .SUNDAY...East winds 7 to 10 knots, becoming variable less than 10 knots, then becoming east to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers in the morning. Isolated showers through the night, then scattered showers after midnight. $$ PHZ113-041000- Kauai Channel- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 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. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds to 15 knots, easing to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south southwest 3 feet at 16 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East winds 7 to 10 knots, becoming 10 to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet at 15 seconds. Isolated showers. $$ PHZ114-041000- Oahu Windward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 11 seconds. Isolated showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .THURSDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. $$ PHZ115-041000- Oahu Leeward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the evening. Scattered showers after midnight. .SATURDAY...East winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 16 seconds. Isolated showers through the night. Scattered showers through the day. .SUNDAY...East winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east northeast 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet at 15 seconds. Scattered showers in the morning. Isolated showers. $$ PHZ116-041000- Kaiwi Channel- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. .TONIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet at 11 seconds. Isolated showers after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet at 15 seconds. Isolated showers. Scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet at 15 seconds. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ117-041000- Maui County Windward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 12 seconds. Isolated showers this morning. .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds. Isolated showers. .THURSDAY...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .FRIDAY NIGHT...East winds to 15 knots, easing to 10 knots after midnight. Seas to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. Isolated showers through the night. Scattered showers through the day. $$ PHZ118-041000- Maui County Leeward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .TONIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers. .SATURDAY...East winds 7 to 10 knots in the morning, becoming variable less than 10 knots, then becoming east northeast 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds and south southwest 3 feet at 16 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East winds 10 to 15 knots, becoming 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds and south southwest 3 feet at 15 seconds. Isolated showers in the morning. Isolated showers through the day. $$ PHZ119-041000- Maalaea Bay- 1117 AM HST Wed Sep 3 2025 .TODAY...North winds to 15 knots, rising to 20 knots this afternoon. Seas to 2 feet or less. .TONIGHT...North winds 20 to 25 knots. Seas to 2 feet or less. .THURSDAY...North winds to 20 knots. Seas to 2 feet or less. .THURSDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less. .FRIDAY...North winds to 20 knots. Seas to 2 feet or less. .FRIDAY NIGHT...North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. .SATURDAY...North winds to 15 knots. Seas to 2 feet or less. Isolated showers through the night. .SUNDAY...North northeast winds to 15 knots, becoming north in the afternoon and evening, easing to 15 knots after midnight. Seas to 2 feet or less. $$ PHZ120-041000- Pailolo Channel- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 15 to 20 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. .TONIGHT...East northeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers after midnight. .THURSDAY...East winds 15 to 20 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. .FRIDAY...East northeast winds 15 to 20 knots. Seas to 3 feet. .FRIDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. Isolated showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas to 3 feet. Scattered showers through the night. Isolated showers through the day. .SUNDAY...East southeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon and evening, then becoming east northeast 10 to 15 knots after midnight. Seas to 3 feet. $$ PHZ121-041000- Alenuihaha Channel- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots this afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers after midnight. .THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds and south southwest 3 feet at 15 seconds. Scattered showers in the morning, then isolated showers through the night. Scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds, east 3 feet at 11 seconds and south southwest 3 feet at 15 seconds. Isolated showers in the morning. Isolated showers through the day. $$ PHZ122-041000- Big Island Windward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 12 seconds. Isolated showers. .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 11 seconds and northwest 3 feet at 12 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 10 seconds. Scattered showers in the morning. .THURSDAY NIGHT...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 10 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 10 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 7 seconds and south southwest 3 feet at 15 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. $$ PHZ123-041000- Big Island Leeward Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East winds 15 to 20 knots, becoming north northeast 10 to 15 knots this afternoon. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. .TONIGHT...West of the Big Island, south southwest winds 7 to 10 knots, veering to northwest after midnight. Near South Point, east winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers after midnight. .THURSDAY...West of the Big Island, north winds 7 to 10 knots, backing to west in the afternoon. Near South Point, east winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. .THURSDAY NIGHT...North northwest winds 7 to 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .FRIDAY...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers. .SATURDAY...Winds variable less than 10 knots west of the Big Island...East 10 to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and south southwest 3 feet at 16 seconds. Isolated showers through the night. Scattered showers through the day. .SUNDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 3 feet at 4 seconds and south southwest 3 feet at 15 seconds. Isolated showers. $$ PHZ124-041000- Big Island Southeast Waters- 1117 AM HST Wed Sep 3 2025 .TODAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 11 seconds. Isolated showers this morning. .TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 11 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the morning. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .FRIDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers, mainly in the morning. .FRIDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. .SATURDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds and south southwest 3 feet at 16 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds, east southeast 4 feet at 11 seconds and south southwest 3 feet at 15 seconds. Isolated showers, then scattered showers after midnight. $$