


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
653 FZHW50 PHFO 090107 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 306 PM HST Wed Oct 8 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-091400- 306 PM 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 the week, maintaining a 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 to moderate easterly trades. $$ PHZ110-091400- Kauai Northwest Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...Winds variable less than 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers. .FRIDAY...Southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...East winds 7 to 10 knots. Seas 3 to 4 feet. Scattered showers. .SATURDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 14 seconds. Scattered showers. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .MONDAY...East winds 7 to 10 knots. Seas to 7 feet. Wave Detail: Northwest 6 feet at 15 seconds and east 3 feet at 5 seconds. Scattered showers. $$ PHZ111-091400- Kauai Windward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers this evening, then numerous showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers, mainly in the evening. .FRIDAY...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 14 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East winds 7 to 10 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .MONDAY...East winds to 10 knots. Seas to 7 feet. Wave Detail: Northwest 6 feet at 16 seconds and east southeast 3 feet at 5 seconds. Scattered showers, then numerous showers after midnight. $$ PHZ112-091400- Kauai Leeward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...Southeast winds 7 to 10 knots this evening, becoming variable less than 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY...Southeast winds to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY NIGHT...East winds to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and north northwest 3 feet at 14 seconds. Scattered showers. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 6 seconds and north northwest 3 feet at 12 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east southeast 3 feet at 5 seconds. Scattered showers. .MONDAY...East winds 7 to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 15 seconds and east southeast 3 feet at 5 seconds. Scattered showers. $$ PHZ113-091400- Kauai Channel- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds to 10 knots. Seas to 3 feet. Numerous showers. .THURSDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .THURSDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...Southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 3 to 4 feet. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...East northeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 18 seconds and east 3 feet at 5 seconds. Scattered showers. .MONDAY...East winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: Northwest 4 feet at 16 seconds and east 3 feet at 4 seconds. Scattered showers. $$ PHZ114-091400- Oahu Windward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Numerous showers, mainly this evening. .THURSDAY...South winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East southeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 15 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds, east southeast 3 feet at 5 seconds and east 3 feet at 12 seconds. Scattered showers. .MONDAY...East winds to 10 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 16 seconds and east southeast 3 feet at 4 seconds. Scattered showers. $$ PHZ115-091400- Oahu Leeward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming southeast 7 to 10 knots after midnight. Seas to 3 feet. Isolated showers. .FRIDAY...Winds variable less than 10 knots, becoming east 7 to 10 knots in the afternoon. Seas to 3 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY 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, then scattered showers after midnight. .SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 18 seconds and east 3 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .MONDAY...East northeast winds 7 to 10 knots, becoming variable less than 10 knots, then becoming east southeast 7 to 10 knots after midnight. Seas 4 to 5 feet. Wave Detail: Northwest 4 feet at 16 seconds. Scattered showers. $$ PHZ116-091400- Kaiwi Channel- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Isolated showers this evening, then scattered showers after midnight. .THURSDAY...South winds 10 to 15 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers after midnight. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 14 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds and northwest 3 feet at 13 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East northeast winds to 15 knots, easing to 10 knots after midnight. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .MONDAY...East winds 7 to 10 knots, veering to east southeast 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 16 seconds and east northeast 3 feet at 4 seconds. Scattered showers. $$ PHZ117-091400- Maui County Windward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY...Southeast winds 7 to 10 knots. Seas to 3 feet. .THURSDAY NIGHT...Southeast winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers. .FRIDAY NIGHT...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail: Southeast 4 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 14 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds, east southeast 4 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. .MONDAY...East southeast winds 10 to 15 knots. Seas 6 to 7 feet. Wave Detail: Northwest 6 feet at 16 seconds, east southeast 3 feet at 4 seconds and east 3 feet at 12 seconds. Scattered showers. $$ PHZ118-091400- Maui County Leeward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers this evening, then scattered showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. Scattered showers after midnight. .MONDAY...East winds 7 to 10 knots, veering to southeast after midnight. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 16 seconds. Scattered showers. $$ PHZ119-091400- Maalaea Bay- 307 PM HST Wed Oct 8 2025 .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers. .THURSDAY...South southwest winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .FRIDAY...North winds to 15 knots. Seas to 2 feet or less. .FRIDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .SATURDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the afternoon. .SATURDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .SUNDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers. .MONDAY...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. $$ PHZ120-091400- Pailolo Channel- 307 PM HST Wed Oct 8 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers this evening, then scattered showers after midnight. .THURSDAY...South winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers, mainly in the morning. .THURSDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening. .FRIDAY...East northeast winds 10 to 15 knots. Seas to 2 feet or less, then to 3 feet in the afternoon. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the evening. Scattered showers after midnight. .SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. Scattered showers after midnight. .MONDAY...East northeast winds 7 to 10 knots, becoming variable less than 10 knots. Seas 3 to 4 feet. Isolated showers in the morning, then scattered showers. $$ PHZ121-091400- Alenuihaha Channel- 307 PM HST Wed Oct 8 2025 .TONIGHT...South southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers, mainly this evening. .THURSDAY...South southwest winds 7 to 10 knots. Seas to 3 feet. .THURSDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the evening. .FRIDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .FRIDAY 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. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .MONDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds and west northwest 3 feet at 16 seconds. Scattered showers. $$ PHZ122-091400- Big Island Windward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .THURSDAY...South southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the morning. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the evening. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Scattered showers. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds, northwest 3 feet at 13 seconds and east 3 feet at 15 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon, then becoming east 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 4 feet at 18 seconds and east 3 feet at 13 seconds. Scattered showers. .MONDAY...East southeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 16 seconds and east 3 feet at 12 seconds. Scattered showers. $$ PHZ123-091400- Big Island Leeward Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...South southeast winds 10 to 15 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...South southeast winds 10 to 15 knots. Seas to 3 feet. .THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the evening. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers in the afternoon. .FRIDAY NIGHT...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .SATURDAY NIGHT...East southeast winds 15 to 20 knots, backing to northeast after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers through the night, then scattered showers through the day. .MONDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 3 feet at 18 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. $$ PHZ124-091400- Big Island Southeast Waters- 307 PM HST Wed Oct 8 2025 .TONIGHT...Southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Isolated showers. .THURSDAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Scattered showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 16 seconds. Scattered showers. .SATURDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 15 seconds. Scattered showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 4 seconds and east 3 feet at 13 seconds. Scattered showers. .MONDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East northeast 3 feet at 4 seconds, east 3 feet at 12 seconds and northwest 3 feet at 18 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. $$