


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
005 FZHW50 PHFO 081339 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 338 AM HST Wed Oct 8 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-090200- 338 AM HST Wed Oct 8 2025 .Synopsis for Hawaiian coastal waters... A surface trough will slowly drift west over the coastal waters through the end of this week. This will help maintain weak flow out of the south or southeast. By this weekend, high pressure will build far northeast of the state and bring a return to more typical gentle easterly trades. $$ PHZ110-090200- Kauai Northwest Waters- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Isolated showers. .TONIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers in the morning, then numerous showers in the afternoon. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Numerous showers. .FRIDAY...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Scattered showers. .FRIDAY NIGHT...Winds variable less than 10 knots, becoming east to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 15 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 14 seconds and north northwest 3 feet at 13 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 13 seconds. Scattered showers. $$ PHZ111-090200- Kauai Windward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers. .TONIGHT...Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers in the evening, then numerous showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Numerous showers. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Numerous showers. .FRIDAY...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Scattered showers. .FRIDAY NIGHT...East southeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 15 seconds and north northwest 3 feet at 14 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East winds to 10 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 13 seconds. Scattered showers. $$ PHZ112-090200- Kauai Leeward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers. .TONIGHT...Winds variable less than 10 knots, becoming southeast 7 to 10 knots after midnight. Seas to 2 feet or less. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Numerous showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming southeast 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers. .FRIDAY...Southeast winds to 10 knots. Seas 3 to 4 feet. Scattered showers. .FRIDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 13 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 6 seconds. Scattered showers. $$ PHZ113-090200- Kauai Channel- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots, becoming south 7 to 10 knots this afternoon. Seas to 3 feet. Scattered showers this morning, then numerous showers this afternoon. .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Numerous showers. .THURSDAY...South winds to 10 knots. Seas to 3 feet. Numerous showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming south southeast to 10 knots after midnight. Seas to 3 feet. Scattered showers. .FRIDAY...Southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Scattered showers. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds and north northwest 3 feet at 12 seconds. Isolated showers through the night. Scattered showers through the day. .SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds and northwest 4 feet at 18 seconds. Scattered showers. $$ PHZ114-090200- Oahu Windward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers. .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Numerous showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. .SATURDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 15 seconds and north northwest 3 feet at 14 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 13 seconds. Scattered showers. $$ PHZ115-090200- Oahu Leeward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming southeast 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers. .FRIDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Scattered showers, mainly in the morning. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Southeast 4 feet at 6 seconds. Isolated showers, then scattered showers after midnight. .SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 18 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ116-090200- Kaiwi Channel- 339 AM HST Wed Oct 8 2025 .TODAY...South winds to 10 knots. Seas to 3 feet. Scattered showers, mainly this morning. .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY...South winds to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds and north northwest 3 feet at 14 seconds. Isolated showers. Scattered showers after midnight. .SUNDAY...East northeast winds to 15 knots, easing to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and northwest 4 feet at 18 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ117-090200- Maui County Windward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers, mainly this morning. .TONIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY...Southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...East southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. Isolated showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 14 seconds and north northwest 3 feet at 14 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East winds to 15 knots, easing to 10 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 5 feet at 13 seconds and northwest 5 feet at 18 seconds. Scattered showers. $$ PHZ118-090200- Maui County Leeward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .TONIGHT...Winds variable less than 10 knots, becoming south southeast 7 to 10 knots after midnight. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers. .SUNDAY...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ119-090200- Maalaea Bay- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .TONIGHT...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. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening. .FRIDAY...North winds to 15 knots. Seas to 2 feet or less. Isolated showers in the afternoon. .FRIDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less. .SATURDAY...North winds to 20 knots. Seas to 2 feet or less. .SUNDAY...North winds to 20 knots, easing to 15 knots. Seas to 2 feet or less. Isolated showers. $$ PHZ120-090200- Pailolo Channel- 339 AM HST Wed Oct 8 2025 .TODAY...South southwest winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers, mainly this morning. .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet. Isolated showers in the evening. Scattered showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. Scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ121-090200- Alenuihaha Channel- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 6 feet at 6 seconds. Isolated showers. Scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ122-090200- Big Island Windward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South southeast winds to 10 knots. Seas to 3 feet. Isolated showers. .TONIGHT...South southeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .THURSDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 9 seconds. Isolated showers. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. Isolated showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 8 seconds. Isolated showers. .FRIDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 5 feet. Wave Detail: East 4 feet at 15 seconds and northwest 3 feet at 13 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East 4 feet at 13 seconds and northwest 4 feet at 18 seconds. Scattered showers. $$ PHZ123-090200- Big Island Leeward Waters- 339 AM HST Wed Oct 8 2025 .TODAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .TONIGHT...South southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...South southeast winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. Scattered showers after midnight. .SUNDAY...Northeast winds 10 to 15 knots, veering to southeast in the evening, backing to north northeast after midnight. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ124-090200- Big Island Southeast Waters- 339 AM HST Wed Oct 8 2025 .TODAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers this morning. .TONIGHT...East southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers after midnight. .THURSDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 9 seconds. Isolated showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 8 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 14 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 13 seconds. Scattered showers. $$