


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
218 FZHW50 PHFO 080105 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 304 PM HST Tue Oct 7 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-081400- 304 PM HST Tue Oct 7 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 weaken the trades and maintain a 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 easterly trades. $$ PHZ110-081400- Kauai Northwest Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...East winds 7 to 10 knots, veering to south southeast after midnight. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the morning, then scattered showers in the afternoon. .WEDNESDAY NIGHT...Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas to 2 feet or less. Scattered showers. .THURSDAY...South southwest winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY...East southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: North northwest 3 feet at 13 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 18 seconds. Scattered showers. $$ PHZ111-081400- Kauai Windward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...Winds variable less than 10 knots. Seas to 3 feet. Wave Detail: North 3 feet at 11 seconds. Isolated showers this evening, then scattered showers after midnight. .WEDNESDAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers. .WEDNESDAY NIGHT...South winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers in the evening, then numerous showers after midnight. .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 3 to 4 feet. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers. .SATURDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 14 seconds. Scattered showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 18 seconds, east southeast 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. $$ PHZ112-081400- Kauai Leeward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers this evening, then scattered showers after midnight. .WEDNESDAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers. .WEDNESDAY NIGHT...Winds variable less than 10 knots, becoming south southwest 7 to 10 knots after midnight. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers. .THURSDAY...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY...East southeast winds to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. Scattered showers. .SATURDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Southeast 3 feet at 6 seconds and north northwest 3 feet at 13 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 17 seconds and east southeast 3 feet at 5 seconds. Scattered showers. $$ PHZ113-081400- Kauai Channel- 305 PM HST Tue Oct 7 2025 .TONIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Scattered showers. .WEDNESDAY...South winds 10 to 15 knots. Seas to 3 feet. Scattered showers. .WEDNESDAY NIGHT...South winds to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Numerous showers, mainly in the evening. .THURSDAY...South winds to 10 knots. Seas to 3 feet. Scattered showers, mainly in the morning. .THURSDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Scattered showers, mainly in the evening. .SATURDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 12 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 3 feet at 5 seconds. Scattered showers. $$ PHZ114-081400- Oahu Windward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South southeast winds 7 to 10 knots. Seas to 3 feet. Wave Detail: North northwest 3 feet at 11 seconds. Scattered showers. .WEDNESDAY...South winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas to 3 feet. Isolated showers in the morning, then scattered showers in the afternoon. .WEDNESDAY NIGHT...South winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers. .THURSDAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet in the afternoon. Isolated showers. .THURSDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 3 feet. Scattered showers, mainly in the evening. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 14 seconds. Isolated showers, then scattered showers after midnight. .SUNDAY...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 18 seconds, east southeast 3 feet at 5 seconds and east 3 feet at 13 seconds. Scattered showers. $$ PHZ115-081400- Oahu Leeward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers. .WEDNESDAY...South southwest winds 10 to 15 knots. Seas to 3 feet. Scattered showers. .WEDNESDAY NIGHT...South southeast winds to 10 knots. Seas to 2 feet or less, then to 3 feet after midnight. Scattered showers, mainly in the evening. .THURSDAY...South southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...East winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: 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 3 feet at 6 seconds. Isolated 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. Isolated showers through the night, then scattered showers through the day. $$ PHZ116-081400- Kaiwi Channel- 305 PM HST Tue Oct 7 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 3 feet. Scattered showers. .WEDNESDAY...South southwest winds to 10 knots. Seas to 3 feet. Isolated showers. .WEDNESDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY...South southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers in the morning. .THURSDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East winds 7 to 10 knots, backing to east northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds and north northwest 3 feet at 12 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: Northwest 5 feet at 18 seconds, east 3 feet at 5 seconds and east 3 feet at 13 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ117-081400- Maui County Windward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South southeast winds to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 12 seconds. Isolated showers. Hazy after midnight. .WEDNESDAY...South winds to 10 knots. Seas to 3 feet. Hazy. Isolated showers. .WEDNESDAY NIGHT...Southeast winds to 10 knots. Seas to 2 feet or less. Hazy in the evening. Isolated showers. .THURSDAY...Southeast winds 7 to 10 knots. Seas to 2 feet or less, then to 3 feet in the afternoon. Isolated showers in the afternoon. .THURSDAY NIGHT...East southeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East southeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East southeast winds to 15 knots. Seas to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds, north northwest 3 feet at 12 seconds and east 3 feet at 14 seconds. Isolated showers through the night. Scattered showers through the day. .SUNDAY...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 7 feet. Wave Detail: Northwest 6 feet at 18 seconds, east southeast 3 feet at 4 seconds and east 3 feet at 13 seconds. Scattered showers. $$ PHZ118-081400- Maui County Leeward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South winds to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...South winds to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY NIGHT...South southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less. .THURSDAY NIGHT...East southeast winds 7 to 10 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East winds 7 to 10 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 18 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ119-081400- Maalaea Bay- 305 PM HST Tue Oct 7 2025 .TONIGHT...Winds variable less than 10 knots, becoming south 7 to 10 knots after midnight. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...South southwest winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening. .THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or less. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming east northeast 7 to 10 knots after midnight. Seas to 2 feet or less. Isolated showers in the evening. .FRIDAY...Northeast winds 10 to 15 knots. Seas to 2 feet or less. .FRIDAY NIGHT...Northeast winds to 15 knots. Seas to 2 feet or less. .SATURDAY...Northeast winds to 15 knots. Seas to 2 feet or less. .SUNDAY...Northeast winds to 15 knots. Seas to 3 feet. Isolated showers. $$ PHZ120-081400- Pailolo Channel- 305 PM HST Tue Oct 7 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less. Scattered showers, mainly this evening. .WEDNESDAY...South southwest winds 10 to 15 knots. Seas to 2 feet or less. Scattered showers, mainly in the morning. .WEDNESDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. Isolated showers in the evening. .THURSDAY...South southeast winds 7 to 10 knots. Seas to 2 feet or less. .THURSDAY NIGHT...Winds variable less than 10 knots, becoming east 10 to 15 knots after midnight. Seas to 2 feet or less. Isolated showers. .FRIDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots in the afternoon. Seas to 2 feet or less, then to 3 feet in the afternoon. Isolated showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet. Isolated showers. .SATURDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Isolated showers. $$ PHZ121-081400- Alenuihaha Channel- 305 PM HST Tue Oct 7 2025 .TONIGHT...South winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .WEDNESDAY...South southwest winds to 10 knots. Seas to 2 feet or less. Isolated showers in the morning. Hazy. .WEDNESDAY NIGHT...Southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers in the evening. Hazy. .THURSDAY...Southeast winds 7 to 10 knots. Seas to 2 feet or less. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .FRIDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 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. .SATURDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds and east 3 feet at 13 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ122-081400- Big Island Windward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 12 seconds. Hazy. Isolated showers this evening. Scattered showers after midnight. .WEDNESDAY...South southeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers in the morning. Hazy. .WEDNESDAY NIGHT...South southeast winds 10 to 15 knots. Seas to 2 feet or less. Hazy. Isolated showers. .THURSDAY...Southeast winds 10 to 15 knots. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East southeast winds 15 to 20 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: East 3 feet at 4 seconds, north northwest 3 feet at 13 seconds and east 3 feet at 16 seconds. Isolated showers through the night, then scattered showers through the day. .SUNDAY...East winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 18 seconds and east 3 feet at 13 seconds. Scattered showers. $$ PHZ123-081400- Big Island Leeward Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...South southeast winds 10 to 15 knots. Seas to 2 feet or less. Isolated showers. Hazy after midnight. .WEDNESDAY...South southeast winds 10 to 15 knots. Seas to 2 feet or less. Hazy. Scattered showers in the morning. Isolated showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas to 2 feet or less. Hazy in the evening. Isolated showers. .THURSDAY...Southeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas to 3 feet. Isolated showers. .THURSDAY NIGHT...East southeast winds 15 to 20 knots. Seas 3 to 4 feet. Isolated showers. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. Isolated showers. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .SATURDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .SUNDAY...Northeast winds 15 to 20 knots, veering to east southeast. Seas 4 to 6 feet. Wave Detail: Northwest 3 feet at 18 seconds. Isolated showers through the night, then scattered showers through the day. $$ PHZ124-081400- Big Island Southeast Waters- 305 PM HST Tue Oct 7 2025 .TONIGHT...East southeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers this evening, then scattered showers after midnight. .WEDNESDAY...South southeast winds to 10 knots. Seas to 2 feet or less. Isolated showers in the morning. .WEDNESDAY NIGHT...East southeast winds 10 to 15 knots. Seas to 2 feet or less. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas to 3 feet. Scattered showers. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Scattered showers. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 4 seconds. Scattered showers. .SATURDAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and east 3 feet at 16 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. .SUNDAY...East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East northeast 3 feet at 4 seconds, east 3 feet at 13 seconds and northwest 3 feet at 18 seconds. Scattered showers. $$