Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
567 FZHW50 PHFO 160316 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 516 PM HST Sat Aug 15 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-161630- 516 PM HST Sat Aug 15 2026 .Synopsis for Hawaiian coastal waters... Hurricane Lala is located about 20 nm southwest of South Point and is moving northwest at 8 knots. Hurricane conditions are expected around the Big Island with Tropical Storm conditions anticipated elsewhere. Easterly trades return starting Tuesday. $$ PHZ110-161630- Kauai Northwest Waters- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East northeast winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 8 to 10 feet, building to 9 to 12 feet after midnight. Wave Detail: East southeast 10 feet at 10 seconds and south southwest 3 feet at 12 seconds. Scattered heavy showers this evening, then numerous heavy showers after midnight. .SUNDAY...East northeast winds 25 to 35 knots, becoming 30 to 35 knots in the afternoon. Seas 11 to 15 feet, building to 14 to 17 feet in the afternoon. Wave Detail: East 16 feet at 9 seconds and south 3 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 10 to 14 feet, subsiding to 6 to 9 feet after midnight. Wave Detail: East 10 feet at 8 seconds and south 3 feet at 13 seconds. Numerous heavy showers. .MONDAY...East winds to 20 knots. Seas 6 to 9 feet, subsiding to 5 to 7 feet in the afternoon. Wave Detail: East 7 feet at 7 seconds and south southwest 3 feet at 14 seconds. Scattered showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south southwest 3 feet at 13 seconds. Scattered showers, mainly in the evening. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers through the night. Scattered showers through the day. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ111-161630- Kauai Windward Waters- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East northeast winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 10 to 12 feet, building to 12 to 16 feet after midnight. Wave Detail: Southeast 14 feet at 11 seconds, east 5 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers. .SUNDAY...East northeast winds 25 to 35 knots. Seas 15 to 19 feet, subsiding to 13 to 17 feet in the afternoon. Wave Detail: Southeast 17 feet at 10 seconds, east 4 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East winds 25 to 30 knots, veering to east southeast 20 to 25 knots after midnight. Seas 9 to 10 feet, subsiding to 7 to 9 feet after midnight. Wave Detail: East 8 feet at 8 seconds and south 4 feet at 15 seconds. Numerous heavy showers. .MONDAY...East winds 15 to 20 knots. Seas 7 to 8 feet, subsiding to 5 to 6 feet in the afternoon. Wave Detail: East 7 feet at 6 seconds and south 4 feet at 14 seconds. Scattered showers. .MONDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ112-161630- Kauai Leeward Waters- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Northeast winds 20 to 25 knots, rising to 25 to 30 knots after midnight. Seas 9 to 13 feet, building to 12 to 16 feet after midnight. Wave Detail: East southeast 15 feet at 12 seconds and south 4 feet at 12 seconds. Scattered heavy showers this evening, then numerous heavy showers after midnight. .SUNDAY...Northeast winds 25 to 35 knots, veering to east 30 to 40 knots in the afternoon. Seas 16 to 21 feet, building to 19 to 24 feet in the afternoon. Wave Detail: East southeast 24 feet at 11 seconds and south 4 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East southeast winds 25 to 35 knots, easing to 20 to 25 knots after midnight. Seas 12 to 17 feet, subsiding to 7 to 10 feet after midnight. Wave Detail: Southeast 17 feet at 8 seconds and south 4 feet at 15 seconds. Occasional heavy showers. .MONDAY...East southeast winds 15 to 20 knots. Seas 7 to 10 feet, subsiding to 6 to 7 feet in the afternoon. Wave Detail: East 8 feet at 6 seconds and south 4 feet at 14 seconds. Numerous showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 4 feet at 13 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .TUESDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. Scattered showers after midnight. .THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ113-161630- Kauai Channel- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Northeast winds 25 to 35 knots. Seas 10 to 13 feet, building to 14 to 19 feet after midnight. Wave Detail: Southeast 19 feet at 12 seconds, south 4 feet at 13 seconds and east 3 feet at 8 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East northeast winds 30 to 35 knots, veering to east southeast 25 to 35 knots in the afternoon. Seas 19 to 23 feet, subsiding to 14 to 19 feet in the afternoon. Wave Detail: Southeast 22 feet at 11 seconds, south 4 feet at 13 seconds and east 3 feet at 8 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East southeast winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 8 feet at 8 seconds and south 4 feet at 15 seconds. Numerous heavy showers. .MONDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East northeast 6 feet at 6 seconds and south 4 feet at 14 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south 4 feet at 13 seconds. Scattered showers, mainly in the evening. .TUESDAY...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers, then scattered showers after midnight. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Scattered showers in the morning, then isolated showers in the afternoon. Scattered showers through the day. Winds and seas higher in and near tstms. $$ PHZ114-161630- Oahu Windward Waters- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East northeast winds 25 to 30 knots, rising to 30 to 35 knots after midnight. Seas 12 to 15 feet, building to 14 to 19 feet after midnight. Wave Detail: East southeast 17 feet at 9 seconds and south 3 feet at 13 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 25 to 35 knots. Seas 14 to 18 feet, subsiding to 10 to 14 feet in the afternoon. Wave Detail: East 17 feet at 9 seconds and south 3 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East winds 25 to 30 knots, easing to 20 to 25 knots after midnight. Seas 7 to 8 feet, subsiding to 5 to 7 feet after midnight. Wave Detail: East 7 feet at 7 seconds and south 3 feet at 15 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds. Scattered showers, mainly in the morning. .MONDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers through the night, then scattered showers through the day. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ115-161630- Oahu Leeward Waters- 516 PM HST Sat Aug 15 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON... ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...Northeast winds 25 to 35 knots, becoming east northeast 35 to 45 knots after midnight. Seas 12 to 16 feet, building to 19 to 24 feet after midnight. Wave Detail: Southeast 24 feet at 11 seconds and south 4 feet at 13 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East southeast winds 35 to 45 knots, becoming southeast 25 to 35 knots in the afternoon. Seas 18 to 23 feet, subsiding to 10 to 14 feet in the afternoon. Wave Detail: Southeast 23 feet at 10 seconds and south 4 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...Southeast winds 20 to 25 knots, becoming east southeast 15 to 20 knots after midnight. Seas 6 to 7 feet. Wave Detail: South southeast 6 feet at 6 seconds and south 4 feet at 15 seconds. Numerous heavy showers. .MONDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at 13 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers in the morning. .TUESDAY 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. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers in the morning. Isolated showers through the day. .THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ116-161630- Kaiwi Channel- 516 PM HST Sat Aug 15 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East northeast winds 30 to 40 knots. Seas 12 to 16 feet, building to 18 to 23 feet after midnight. Wave Detail: East southeast 21 feet at 9 seconds, east 5 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East southeast winds 30 to 40 knots, easing to 20 to 25 knots in the afternoon. Seas 14 to 19 feet, subsiding to 9 to 11 feet in the afternoon. Wave Detail: East southeast 18 feet at 9 seconds, east 4 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers in the morning. A slight chance of thunderstorms. Numerous showers in the afternoon. .SUNDAY NIGHT...East southeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds and south 4 feet at 14 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at 13 seconds. Isolated showers. .TUESDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds and south 3 feet at 13 seconds. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 6 seconds. Isolated showers. .THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ117-161630- Maui County Windward Waters- 516 PM HST Sat Aug 15 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East winds 30 to 35 knots. Seas 14 to 19 feet. Wave Detail: East southeast 18 feet at 10 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY...East winds 25 to 30 knots. Seas 11 to 15 feet, subsiding to 8 to 11 feet in the afternoon. Wave Detail: East southeast 14 feet at 8 seconds. Heavy showers in the morning. A slight chance of thunderstorms. Numerous showers in the afternoon. .SUNDAY NIGHT...East winds to 20 knots. Seas 6 to 7 feet, subsiding to 4 to 6 feet after midnight. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers, mainly in the morning. .MONDAY NIGHT...East winds to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ118-161630- Maui County Leeward Waters- 516 PM HST Sat Aug 15 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East northeast winds 30 to 40 knots, veering to east 40 to 45 knots after midnight. Seas 15 to 20 feet, building to 18 to 23 feet after midnight. Wave Detail: Southeast 23 feet at 10 seconds and south 4 feet at 13 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East southeast winds 30 to 40 knots, becoming southeast 20 to 25 knots in the afternoon. Seas 12 to 16 feet, subsiding to 7 to 10 feet in the afternoon. Wave Detail: Southeast 16 feet at 9 seconds and south 5 feet at 13 seconds. Heavy showers in the morning. A slight chance of thunderstorms. Numerous showers in the afternoon. .SUNDAY NIGHT...East southeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: South southeast 4 feet at 5 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South 4 feet at 15 seconds and south southeast 3 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South 4 feet at 14 seconds and east southeast 3 feet at 5 seconds. Isolated showers. .TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 13 seconds. .TUESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .WEDNESDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. .THURSDAY...Northeast winds 7 to 10 knots, becoming 10 to 15 knots in the evening, then becoming 7 to 10 knots after midnight. Seas 3 to 4 feet. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ119-161630- Maalaea Bay- 516 PM HST Sat Aug 15 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East winds 30 to 40 knots. Seas 5 to 8 feet. Wave Detail: South southeast 8 feet at 9 seconds and south 4 feet at 13 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...North northeast winds 25 to 30 knots, backing to north to 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: South southeast 5 feet at 8 seconds and south 4 feet at 13 seconds. Numerous heavy showers in the morning. A slight chance of thunderstorms. Scattered showers in the afternoon. .SUNDAY NIGHT...North northeast winds to 20 knots. Seas to 3 feet. Wave Detail: South 3 feet at 15 seconds. Isolated showers. .MONDAY...North winds to 20 knots, rising to 25 knots in the afternoon. Seas to 3 feet in the morning, then to 2 feet or less. Isolated showers in the morning. .MONDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less. .TUESDAY...North winds to 20 knots. Seas to 2 feet or less. .TUESDAY NIGHT...North winds to 20 knots. Seas to 2 feet or less. .WEDNESDAY...North winds to 15 knots. Seas to 2 feet or less. .THURSDAY...North winds to 15 knots, becoming north northeast 7 to 10 knots after midnight. Seas to 2 feet or less. Isolated showers in the afternoon. Winds and seas higher in and near tstms. $$ PHZ120-161630- Pailolo Channel- 516 PM HST Sat Aug 15 2026 ...TROPICAL STORM WARNING IN EFFECT... .TONIGHT...East winds 35 to 40 knots. Seas 12 to 16 feet. Wave Detail: East 14 feet at 9 seconds. Heavy showers. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 25 to 35 knots, easing to 20 to 25 knots in the afternoon. Seas 8 to 11 feet, subsiding to 5 to 7 feet in the afternoon. Wave Detail: East 11 feet at 8 seconds and south 3 feet at 13 seconds. Heavy showers in the morning. A slight chance of thunderstorms. Numerous showers in the afternoon. .SUNDAY NIGHT...East northeast winds 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 6 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas to 3 feet. Wave Detail: East northeast 3 feet at 5 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East northeast 3 feet at 6 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots, backing to northeast 7 to 10 knots after midnight. Seas to 3 feet. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ121-161630- Alenuihaha Channel- 516 PM HST Sat Aug 15 2026 ...HURRICANE WARNING IN EFFECT... .TONIGHT...East winds 40 to 50 knots. Seas 20 to 25 feet, subsiding to 17 to 22 feet after midnight. Wave Detail: East 23 feet at 10 seconds and south southwest 5 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY...East southeast winds 30 to 35 knots, becoming east 20 to 25 knots in the afternoon. Seas 10 to 13 feet, subsiding to 7 to 10 feet in the afternoon. Wave Detail: South southeast 11 feet at 8 seconds, south southwest 5 feet at 13 seconds and east 4 feet at 8 seconds. Numerous heavy showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet, subsiding to 4 to 6 feet after midnight. Wave Detail: South southwest 5 feet at 15 seconds, east northeast 4 feet at 5 seconds and east 3 feet at 8 seconds. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 4 feet at 15 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 4 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds and south southwest 3 feet at 13 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers in the evening. Scattered showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas to 4 feet. Scattered showers through the night. Isolated showers through the day. Winds and seas higher in and near tstms. $$ PHZ122-161630- Big Island Windward Waters- 516 PM HST Sat Aug 15 2026 ...HURRICANE WARNING IN EFFECT... .TONIGHT...East southeast winds 35 to 45 knots, easing to 25 to 35 knots after midnight. Seas 14 to 19 feet, subsiding to 11 to 15 feet after midnight. Wave Detail: Southeast 17 feet at 8 seconds, east 8 feet at 9 seconds and south 5 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY...Southeast winds 25 to 30 knots, backing to east southeast 20 to 25 knots in the afternoon. Seas 7 to 10 feet, subsiding to 5 to 8 feet in the afternoon. Wave Detail: Southeast 8 feet at 5 seconds, east 4 feet at 8 seconds and south 4 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms in the morning, then numerous showers in the afternoon. .SUNDAY NIGHT...East southeast winds 20 to 25 knots, becoming east 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: Northeast 4 feet at 4 seconds, east 4 feet at 8 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: North northeast 4 feet at 4 seconds and south 4 feet at 14 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 3 feet at 14 seconds. Scattered showers. .TUESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 4 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 4 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: North 3 feet at 6 seconds. Scattered showers. .THURSDAY...East northeast winds 7 to 10 knots, veering to east southeast after midnight. Seas 4 to 5 feet. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ123-161630- Big Island Leeward Waters- 516 PM HST Sat Aug 15 2026 ...HURRICANE WARNING IN EFFECT... .TONIGHT...West of the Big Island, east southeast winds 50 to 60 knots, veering to south southeast 35 to 40 knots after midnight. Near South Point, south southeast winds 50 to 60 knots, becoming southeast 25 to 30 knots after midnight. Seas 15 to 20 feet, subsiding to 10 to 14 feet after midnight. Wave Detail: North northeast 19 feet at 10 seconds, south 5 feet at 13 seconds and east 3 feet at 9 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY...Winds south southeast winds 25 to 35 knots. Seas 8 to 11 feet. Wave Detail: South southeast 10 feet at 6 seconds and south 5 feet at 13 seconds. Numerous showers in the morning. A slight chance of thunderstorms. Scattered showers in the afternoon. .SUNDAY NIGHT...West of the Big Island, north northwest winds 10 to 15 knots in the evening, becoming variable less than 10 knots. Near South Point, east southeast winds 15 to 20 knots, becoming east 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: South 5 feet at 15 seconds and southeast 3 feet at 5 seconds. Scattered showers. .MONDAY...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 4 to 5 feet. Wave Detail: South 4 feet at 15 seconds and east northeast 3 feet at 4 seconds. Scattered showers. .MONDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 4 to 6 feet. Wave Detail: South 4 feet at 14 seconds and east northeast 3 feet at 5 seconds. Scattered showers. .TUESDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 15 to 20 knots, becoming to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: South 4 feet at 13 seconds and east northeast 3 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .TUESDAY NIGHT...West of the Big Island, winds variable less than 10 knots, becoming west southwest 7 to 10 knots after midnight. Near South Point, east winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers. .WEDNESDAY...North northeast winds 10 to 15 knots, backing to north northwest 7 to 10 knots in the afternoon, veering to east southeast. Seas 3 to 4 feet. Isolated showers through the day. .THURSDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, winds variable less than 10 knots, becoming east 10 to 15 knots. Seas 3 to 4 feet. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ124-161630- Big Island Southeast Waters- 516 PM HST Sat Aug 15 2026 ...HURRICANE WARNING IN EFFECT... .TONIGHT...South southeast winds 40 to 50 knots, becoming southeast 25 to 30 knots after midnight. Seas 11 to 15 feet, subsiding to 7 to 10 feet after midnight. Wave Detail: East 14 feet at 9 seconds and south 5 feet at 13 seconds. Heavy showers with a slight chance of thunderstorms. .SUNDAY...Southeast winds 20 to 25 knots, becoming east southeast 15 to 20 knots in the afternoon. Seas 5 to 7 feet. Wave Detail: South 5 feet at 13 seconds, east southeast 4 feet at 4 seconds and east 3 feet at 8 seconds. Heavy showers. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: South 5 feet at 13 seconds and east 3 feet at 8 seconds. Numerous heavy showers. .MONDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 15 seconds and east northeast 3 feet at 4 seconds. Scattered showers, mainly in the morning. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: South 4 feet at 14 seconds and northeast 3 feet at 4 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 3 feet at 13 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 4 seconds. Isolated showers through the night. Scattered showers through the day. .THURSDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. Winds and seas higher in and near tstms. $$