Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
209 FZHW50 PHFO 130157 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 357 PM HST Wed Aug 12 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-131415- 357 PM HST Wed Aug 12 2026 .Synopsis for Hawaiian coastal waters... High pressure to the far northeast will slowly drift into a position just north of the Hawaiian Islands into the weekend, producing moderate to locally strong trade winds across the region. The weather pattern will change significantly this weekend as early as Friday and will continue to deteriorate over the weekend. Tropical Storm Conditions will be possible across all coastal waters this weekend, with the potential for Hurricane conditions across select waters. $$ PHZ110-131415- Kauai Northwest Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 5 feet at 15 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 5 feet at 15 seconds. Isolated showers. .FRIDAY...East northeast winds to 20 knots. Seas 6 to 9 feet. Wave Detail: East 7 feet at 9 seconds and south southwest 4 feet at 14 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds to 20 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 11 seconds and south southwest 4 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 8 to 11 feet. Wave Detail: East 9 feet at 11 seconds and south southwest 4 feet at 13 seconds. Scattered showers. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers likely after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 8 seconds and south southwest 4 feet at 13 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ111-131415- Kauai Windward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds and south 4 feet at 16 seconds. Scattered showers, mainly this evening. .THURSDAY...East northeast winds to 15 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 6 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers. .FRIDAY...East northeast winds 15 to 20 knots. Seas 7 to 9 feet. Wave Detail: East southeast 7 feet at 9 seconds and south 4 feet at 14 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 9 to 11 feet. Wave Detail: East southeast 8 feet at 11 seconds and south 4 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 10 to 13 feet. Wave Detail: East southeast 10 feet at 12 seconds and south 4 feet at 13 seconds. Scattered showers. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 7 seconds and south 4 feet at 13 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ112-131415- Kauai Leeward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds and south 4 feet at 16 seconds. Isolated showers this evening. .THURSDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers after midnight. .FRIDAY...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 14 seconds. .FRIDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds, south 4 feet at 14 seconds and east 3 feet at 10 seconds. Isolated showers after midnight. .SATURDAY...Northeast winds 15 to 20 knots, becoming east northeast 20 to 25 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: East 7 feet at 7 seconds, south 4 feet at 13 seconds and east 3 feet at 10 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers likely after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ113-131415- Kauai Channel- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 16 seconds. Isolated showers this evening. .THURSDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 5 feet at 15 seconds. Isolated showers after midnight. .FRIDAY...Northeast winds to 20 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 6 seconds, south 4 feet at 14 seconds and east 3 feet at 10 seconds. .FRIDAY NIGHT...Northeast winds to 20 knots. Seas 7 to 9 feet. Wave Detail: East northeast 7 feet at 6 seconds, east 4 feet at 11 seconds and south 4 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...Northeast winds 20 to 25 knots. Gusts up to 35 knots in the afternoon. Seas 7 to 10 feet. Wave Detail: East 8 feet at 7 seconds, east 4 feet at 11 seconds and south 4 feet at 13 seconds. Scattered showers. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers likely after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 13 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ114-131415- Oahu Windward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 7 seconds and south 4 feet at 16 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East southeast 6 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers. .FRIDAY...East northeast winds to 20 knots. Seas 7 to 10 feet. Wave Detail: East southeast 8 feet at 9 seconds and south 4 feet at 14 seconds. Isolated showers in the morning. .FRIDAY NIGHT...East northeast winds to 20 knots. Seas 9 to 12 feet. Wave Detail: East southeast 9 feet at 11 seconds and south 3 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...Tropical storm conditions possible. Scattered showers. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East 7 feet at 7 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ115-131415- Oahu Leeward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and south 4 feet at 16 seconds. .THURSDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 5 feet at 15 seconds. .FRIDAY...Northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 14 seconds. .FRIDAY NIGHT...Northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers after midnight. .SATURDAY...Tropical storm conditions possible. Isolated showers in the morning, then scattered showers in the afternoon. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers likely after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 4 seconds and south 4 feet at 14 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ116-131415- Kaiwi Channel- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 5 seconds and south southwest 4 feet at 16 seconds. .THURSDAY...Northeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south southwest 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East northeast 6 feet at 6 seconds and south southwest 5 feet at 15 seconds. .FRIDAY...East northeast winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East northeast 8 feet at 7 seconds, east 5 feet at 10 seconds and south southwest 4 feet at 14 seconds. .FRIDAY NIGHT...Northeast winds 20 to 25 knots. Seas 8 to 11 feet. Wave Detail: East northeast 9 feet at 7 seconds, east 7 feet at 11 seconds and south southwest 4 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...Tropical storm conditions possible. Scattered showers in the morning, then heavy showers likely in the afternoon. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers likely. .SUNDAY...Tropical storm conditions possible. Heavy showers likely in the morning, then scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 7 seconds and south 4 feet at 13 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ117-131415- Maui County Windward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Scattered showers, mainly in the morning. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 8 seconds. Isolated showers. .FRIDAY...East northeast winds to 20 knots. Seas 7 to 9 feet. Wave Detail: East southeast 8 feet at 10 seconds. Isolated showers in the morning. Scattered showers in the afternoon. .FRIDAY NIGHT...Tropical storm conditions possible. East northeast winds 20 to 25 knots. Seas 10 to 11 feet, building to 11 to 13 feet after midnight. Wave Detail: East southeast 10 feet at 11 seconds. Heavy showers. .SATURDAY...Tropical storm conditions possible. Heavy showers. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers. .SUNDAY...Tropical storm conditions possible. Heavy showers likely through the night, then scattered showers through the day. .MONDAY...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ118-131415- Maui County Leeward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 16 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 5 feet at 15 seconds. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 5 feet at 15 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 4 feet at 14 seconds. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East 6 feet at 12 seconds and south 4 feet at 14 seconds. Isolated showers after midnight. .SATURDAY...Tropical storm conditions possible. Scattered showers. .SATURDAY NIGHT...Tropical storm conditions possible. Scattered showers in the evening, then heavy showers likely after midnight. .SUNDAY...Tropical storm conditions possible. Heavy showers likely in the morning, then scattered showers. .MONDAY...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots in the afternoon, then becoming east northeast 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South 4 feet at 14 seconds and southeast 3 feet at 4 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ119-131415- Maalaea Bay- 357 PM HST Wed Aug 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...North northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South southwest 4 feet at 17 seconds and north northeast 3 feet at 3 seconds. .THURSDAY...North northeast winds 20 to 25 knots. Seas 3 to 4 feet. Wave Detail: South southwest 4 feet at 15 seconds and north northeast 3 feet at 3 seconds. .THURSDAY NIGHT...North winds to 25 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 15 seconds and north northeast 3 feet at 3 seconds. .FRIDAY...North winds to 25 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 4 seconds and south 3 feet at 14 seconds. .FRIDAY NIGHT...North northeast winds 20 to 25 knots, becoming northeast to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 4 seconds and south 3 feet at 14 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...Tropical storm conditions possible. Heavy showers likely. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers likely. .SUNDAY...Tropical storm conditions possible. Scattered showers . .MONDAY...North winds to 25 knots, easing to 20 knots in the afternoon and evening, rising to 25 knots after midnight. Seas to 3 feet. Scattered showers through the night. $$ PHZ120-131415- Pailolo Channel- 357 PM HST Wed Aug 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 3 feet at 16 seconds. .THURSDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south southwest 4 feet at 15 seconds. Isolated showers in the morning. .THURSDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south southwest 4 feet at 15 seconds. .FRIDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 14 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 5 feet at 5 seconds and east 3 feet at 10 seconds. Scattered showers. .SATURDAY...Tropical storm conditions possible. Heavy showers likely. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers likely. .SUNDAY...Tropical storm conditions possible. Heavy showers likely in the morning, then scattered showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon and evening, rising to 20 to 25 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ121-131415- Alenuihaha Channel- 357 PM HST Wed Aug 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...East northeast winds 20 to 25 knots. Gusts up to 35 knots this evening. Seas 6 to 8 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .THURSDAY...Northeast winds 20 to 25 knots, becoming east northeast 25 to 30 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: East 7 feet at 6 seconds and south southwest 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds 20 to 25 knots. Gusts up to 35 knots in the evening. Seas 6 to 9 feet, subsiding to 6 to 7 feet after midnight. Wave Detail: East 7 feet at 7 seconds and south southwest 5 feet at 15 seconds. Isolated showers after midnight. .FRIDAY...Northeast winds 20 to 25 knots. Gusts up to 35 knots in the afternoon. Seas 7 to 8 feet, building to 7 to 10 feet in the afternoon. Wave Detail: East 7 feet at 7 seconds, east 5 feet at 10 seconds and south southwest 4 feet at 14 seconds. Isolated showers in the morning. Scattered showers in the afternoon. .FRIDAY NIGHT...Tropical storm conditions possible. Northeast winds 25 to 30 knots. Seas 9 to 13 feet. Wave Detail: East 10 feet at 11 seconds and south southwest 4 feet at 14 seconds. Showers, mainly in the evening. .SATURDAY...Tropical storm conditions possible. Scattered showers in the morning, then heavy showers in the afternoon. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers likely. .SUNDAY...Tropical storm conditions possible. Heavy showers likely in the morning, then scattered showers. .MONDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon and evening, rising to 20 to 25 knots after midnight. Seas 5 to 6 feet. Wave Detail: East 4 feet at 7 seconds and south 4 feet at 14 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ122-131415- Big Island Windward Waters- 357 PM HST Wed Aug 12 2026 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 8 seconds and south 4 feet at 17 seconds. Scattered showers. .THURSDAY...Northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: East 5 feet at 8 seconds and south 5 feet at 15 seconds. Scattered showers. .THURSDAY NIGHT...Northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 7 feet. Wave Detail: East 5 feet at 9 seconds and south 5 feet at 15 seconds. Isolated showers in the evening, then scattered showers after midnight. .FRIDAY...Northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 6 to 8 feet, building to 8 to 11 feet in the afternoon. Wave Detail: East 8 feet at 10 seconds and south 4 feet at 14 seconds. Scattered showers. .FRIDAY NIGHT...Tropical storm conditions possible. Northeast winds 20 to 25 knots, rising to 35 to 45 knots after midnight. Seas 11 to 13 feet, building to 13 to 17 feet after midnight. Wave Detail: East 12 feet at 12 seconds and south 4 feet at 14 seconds. Heavy showers. .SATURDAY...Tropical storm conditions possible. Heavy showers. .SATURDAY NIGHT...East southeast winds 25 to 30 knots. Seas 13 to 18 feet, subsiding to 10 to 14 feet after midnight. Wave Detail: East 14 feet at 10 seconds and south 4 feet at 13 seconds. Heavy showers. .SUNDAY...Southeast winds 25 to 30 knots, becoming east southeast 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East 7 feet at 8 seconds and south 4 feet at 14 seconds. Heavy showers through the night, then scattered showers through the day. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 4 feet at 7 seconds and south 4 feet at 14 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ123-131415- Big Island Leeward Waters- 357 PM HST Wed Aug 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...East southeast winds 15 to 20 knots, backing to northeast after midnight. Seas 5 to 7 feet. Wave Detail: Northeast 5 feet at 7 seconds and south 4 feet at 16 seconds. Isolated showers after midnight. .THURSDAY...East northeast winds 15 to 20 knots, becoming east southeast 20 to 25 knots in the afternoon. Seas 5 to 8 feet. Wave Detail: Northeast 6 feet at 7 seconds and south 5 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds 20 to 25 knots, becoming north northeast 15 to 20 knots after midnight. Seas 5 to 8 feet. Wave Detail: Northeast 5 feet at 6 seconds and south 5 feet at 15 seconds. .FRIDAY...North winds 20 to 25 knots. Seas 5 to 7 feet, building to 6 to 9 feet in the afternoon. Wave Detail: Northeast 6 feet at 7 seconds and south 4 feet at 14 seconds. .FRIDAY NIGHT...Tropical storm conditions possible. North northeast winds 20 to 25 knots, veering to east after midnight. Seas 7 to 10 feet. Wave Detail: Northeast 6 feet at 6 seconds, south 4 feet at 14 seconds and east 3 feet at 12 seconds. Isolated showers in the evening, then scattered showers after midnight. .SATURDAY...Tropical storm conditions possible. Scattered heavy showers. .SATURDAY NIGHT...Tropical storm conditions possible. Heavy showers likely. .SUNDAY...Tropical storm conditions possible. Heavy showers likely in the morning, then scattered showers. .MONDAY...Southeast winds 10 to 15 knots, becoming east 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: South 4 feet at 14 seconds and east northeast 3 feet at 5 seconds. Scattered showers through the night, then isolated showers through the day. $$ PHZ124-131415- Big Island Southeast Waters- 357 PM HST Wed Aug 12 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...Northeast winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 6 seconds and south 4 feet at 17 seconds. Scattered showers this evening. Isolated showers after midnight. .THURSDAY...Northeast winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 6 seconds and south 5 feet at 15 seconds. Isolated showers. .THURSDAY NIGHT...Northeast winds 20 to 25 knots. Gusts up to 35 knots in the evening. Seas 8 to 9 feet. Wave Detail: East 8 feet at 7 seconds and south 5 feet at 15 seconds. Isolated showers. .FRIDAY...North northeast winds 20 to 25 knots. Gusts up to 35 knots in the afternoon. Seas 9 to 10 feet, building to 9 to 12 feet in the afternoon. Wave Detail: East 9 feet at 10 seconds and south 4 feet at 14 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .FRIDAY NIGHT...Tropical storm conditions possible. North northeast winds 20 to 25 knots, becoming north northwest 30 to 40 knots after midnight. Seas 11 to 13 feet, building to 13 to 16 feet after midnight. Wave Detail: East 11 feet at 12 seconds and south 4 feet at 14 seconds. Heavy showers. .SATURDAY...Tropical storm conditions possible. Heavy showers. .SATURDAY NIGHT...South winds 25 to 30 knots, becoming southeast 15 to 20 knots after midnight. Seas 9 to 12 feet, subsiding to 8 to 10 feet after midnight. Wave Detail: East 8 feet at 10 seconds and south 4 feet at 13 seconds. Heavy showers. .SUNDAY...East southeast winds 10 to 15 knots. Seas 6 to 9 feet. Wave Detail: North northeast 5 feet at 8 seconds, south 4 feet at 14 seconds and east 3 feet at 8 seconds. Heavy showers through the night, then scattered showers through the day. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 14 seconds. Scattered showers through the night, then isolated showers through the day. $$