Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
591 FZHW50 PHFO 170617 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 817 PM HST Sun Aug 16 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-171930- 817 PM HST Sun Aug 16 2026 .Synopsis for Hawaiian coastal waters... Tropical Storm Lala continues to move west of the state, just southwest of Kauai this evening. A Tropical Storm Warning has been cancelled and replaced with a Small Craft Advisory for the waters surrounding Kauai. A Small Craft Advisory is still in efffect for waters around Maui through Oahu. $$ PHZ110-171930- Kauai Northwest Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East winds 25 to 30 knots. Seas 10 to 13 feet, subsiding to 8 to 11 feet. Wave Detail: East 11 feet at 9 seconds and south southwest 4 feet at 13 seconds. Numerous heavy showers with a slight chance of thunderstorms early this evening, then scattered showers. .MONDAY...East winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 7 seconds, south southwest 4 feet at 13 seconds and east 3 feet at 10 seconds. Scattered showers. .MONDAY NIGHT...East winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 3 feet at 13 seconds. Scattered showers, mainly in the evening. .TUESDAY...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .WEDNESDAY...East winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Scattered showers. .THURSDAY...East northeast winds to 15 knots, easing to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers, then showers likely after midnight. .FRIDAY...East northeast winds 7 to 10 knots, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ111-171930- Kauai Windward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East winds 20 to 25 knots. Seas 10 to 11 feet, subsiding to 8 to 11 feet. Wave Detail: East 10 feet at 9 seconds and south 4 feet at 15 seconds. Numerous heavy showers with a slight chance of thunderstorms early this evening, then scattered showers. .MONDAY...East winds 20 to 25 knots. Seas 7 to 9 feet. Wave Detail: East 7 feet at 7 seconds, south 4 feet at 14 seconds and east 3 feet at 10 seconds. Scattered showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Scattered showers, then showers likely after midnight. .FRIDAY...Winds variable less than 10 knots, becoming east southeast 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ112-171930- Kauai Leeward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 25 to 30 knots. Seas 11 to 15 feet, subsiding to 9 to 12 feet. Wave Detail: East southeast 14 feet at 8 seconds and south 4 feet at 15 seconds. Heavy showers with a slight chance of thunderstorms. .MONDAY...East southeast winds 20 to 25 knots, easing to 15 to 20 knots in the afternoon. Seas 6 to 9 feet. Wave Detail: East 7 feet at 6 seconds and south 4 feet at 14 seconds. Isolated thunderstorms in the morning. Showers likely. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds and south 3 feet at 13 seconds. Scattered showers, mainly in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers, mainly in the evening. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...East northeast winds 10 to 15 knots. In the Kaulakahi Channel, east northeast winds 10 to 15 knots, becoming variable less than 10 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Scattered showers. .FRIDAY...East northeast winds 7 to 10 knots, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 16 seconds. Scattered showers . Winds and seas higher in and near tstms. $$ PHZ113-171930- Kauai Channel- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 20 to 25 knots, easing to 15 to 20 knots. Seas 7 to 10 feet. Wave Detail: East 9 feet at 7 seconds and south 4 feet at 15 seconds. A slight chance of thunderstorms early this evening. Numerous heavy showers. .MONDAY...East 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. Scattered showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 13 seconds. Scattered showers, mainly in the evening. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds and southwest 3 feet at 17 seconds. Scattered showers. .FRIDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 16 seconds. Scattered showers . Winds and seas higher in and near tstms. $$ PHZ114-171930- Oahu Windward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 8 feet at 7 seconds, east 4 feet at 10 seconds and south 3 feet at 15 seconds. A slight chance of thunderstorms early this evening. Scattered heavy showers. .MONDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds and east 3 feet at 10 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers, then showers likely after midnight. .FRIDAY...Winds variable less than 10 knots, becoming east 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ115-171930- Oahu Leeward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 15 seconds. Numerous heavy showers with a slight chance of thunderstorms early this evening, then scattered showers. .MONDAY...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 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 5 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 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. Scattered showers, mainly in the evening. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...Northeast winds 7 to 10 knots, becoming 10 to 15 knots in the evening, then becoming 7 to 10 knots after midnight. Seas to 2 feet or less. Wave Detail: Southwest 2 feet at 17 seconds. Scattered showers. .FRIDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 16 seconds. Scattered showers . Winds and seas higher in and near tstms. $$ PHZ116-171930- Kaiwi Channel- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 15 to 20 knots. Seas 6 to 9 feet. Wave Detail: East northeast 7 feet at 7 seconds and south 4 feet at 15 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East winds to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south 4 feet at 15 seconds. Isolated showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds and south 3 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers in the afternoon. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers. .WEDNESDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers in the evening, then scattered showers after midnight. .THURSDAY...Northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 4 seconds. Scattered showers. .FRIDAY...Winds variable less than 10 knots, becoming east 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 6 seconds and southwest 3 feet at 16 seconds. Scattered showers . Winds and seas higher in and near tstms. $$ PHZ117-171930- Maui County Windward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 7 feet at 6 seconds and east 3 feet at 10 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 8 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers. .THURSDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 7 seconds. Scattered showers, then showers likely after midnight. .FRIDAY...East southeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ118-171930- Maui County Leeward Waters- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East southeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East southeast 5 feet at 6 seconds and south 4 feet at 15 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 4 feet at 15 seconds. Isolated showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 10 to 15 knots, becoming 7 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers in the afternoon. .TUESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .WEDNESDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers in the morning. .WEDNESDAY NIGHT...Northeast winds 7 to 10 knots. Seas to 2 feet or less. Isolated showers. .THURSDAY...North northeast winds 7 to 10 knots, veering to northeast 10 to 15 knots in the evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Wave Detail: Southwest 2 feet at 17 seconds. Isolated showers through the night. Scattered showers through the day. .FRIDAY...Winds variable less than 10 knots, becoming east northeast 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southwest 3 feet at 16 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ119-171930- Maalaea Bay- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...North northeast winds to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 15 seconds and north northwest 3 feet at 3 seconds. A slight chance of thunderstorms with isolated showers early this evening. .MONDAY...North winds 20 to 25 knots. Seas to 3 feet. Wave Detail: North northeast 3 feet at 3 seconds and south 3 feet at 14 seconds. .MONDAY NIGHT...North winds to 25 knots, becoming north northeast after midnight. Seas to 3 feet in the evening, then to 2 feet or less. Wave Detail: North northeast 3 feet at 3 seconds. .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. Isolated showers in the evening. .WEDNESDAY...North winds to 15 knots. Seas to 2 feet or less. .WEDNESDAY NIGHT...North winds to 20 knots, easing to 15 knots after midnight. Seas to 2 feet or less. Isolated showers after midnight. .THURSDAY...Winds variable less than 10 knots, becoming north to 15 knots in the afternoon and evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Scattered showers. .FRIDAY...Winds variable less than 10 knots, becoming north to 20 knots. Seas to 2 feet or less. Scattered showers through the night, then isolated showers in the evening. Winds and seas higher in and near tstms. $$ PHZ120-171930- Pailolo Channel- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds. Scattered showers in the morning. Isolated showers in the afternoon. .MONDAY NIGHT...East northeast winds 20 to 25 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. .TUESDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Scattered showers. .WEDNESDAY NIGHT...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas to 3 feet. Scattered showers in the evening. Isolated showers after midnight. .THURSDAY...Northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon and evening, then becoming variable less than 10 knots after midnight. Seas to 2 feet or less. Scattered showers. .FRIDAY...Winds variable less than 10 knots, becoming east northeast 15 to 20 knots. Seas to 3 feet. Scattered showers . Winds and seas higher in and near tstms. $$ PHZ121-171930- Alenuihaha Channel- 817 PM HST Sun Aug 16 2026 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 15 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 15 seconds. Isolated showers. .MONDAY NIGHT...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: East 6 feet at 6 seconds and south southwest 4 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds and south southwest 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. Scattered showers, mainly in the evening. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the morning. Scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 3 feet at 8 seconds. Isolated showers. .THURSDAY...Northeast winds 7 to 10 knots, veering to east northeast 10 to 15 knots. Seas to 3 feet. Wave Detail: Southwest 3 feet at 17 seconds. Isolated showers through the night. Scattered showers through the day. .FRIDAY...East northeast winds 7 to 10 knots, becoming east 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 4 seconds and southwest 3 feet at 16 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ122-171930- Big Island Windward Waters- 817 PM HST Sun Aug 16 2026 .REST OF TONIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 8 seconds and south southwest 4 feet at 15 seconds. A slight chance of thunderstorms early this evening. Scattered showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 8 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 8 seconds and south 4 feet at 13 seconds. Scattered showers. .TUESDAY...East northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 9 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers. .THURSDAY...East northeast winds 7 to 10 knots, veering to east southeast to 10 knots after midnight. Seas to 3 feet. Scattered showers. .FRIDAY...East southeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 8 seconds. Scattered showers. Winds and seas higher in and near tstms. $$ PHZ123-171930- Big Island Leeward Waters- 817 PM HST Sun Aug 16 2026 .REST OF TONIGHT...West of the Big Island, north winds 10 to 15 knots, backing to south southwest 7 to 10 knots. Near South Point, east winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 4 feet at 5 seconds and south 4 feet at 15 seconds. Isolated showers early this evening. Scattered showers. .MONDAY...West of the Big Island, winds variable less than 10 knots, becoming west 7 to 10 knots in the afternoon. Near South Point, east winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 4 feet at 5 seconds and south 4 feet at 15 seconds. Scattered showers. .MONDAY NIGHT...West northwest winds 7 to 10 knots west of the Big Island...East to 20 knots near South Point. Seas 5 to 7 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 4 feet at 14 seconds. Scattered showers. .TUESDAY...West of the Big Island, west northwest winds 7 to 10 knots. Near South Point, east winds 15 to 20 knots, becoming to 15 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds and south 3 feet at 13 seconds. Scattered showers, mainly in the morning. .TUESDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East to 15 knots near South Point. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Scattered showers, mainly in the evening. .WEDNESDAY...North northeast winds 10 to 15 knots, backing to north 7 to 10 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. Isolated showers. .WEDNESDAY NIGHT...West of the Big Island, winds variable less than 10 knots. Near Kawaihae, northeast winds 10 to 15 knots, veering to east northeast after midnight. Seas 3 to 4 feet. Isolated showers. .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 to 3 feet. Isolated showers through the night, then scattered showers through the day. .FRIDAY...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: Southwest 3 feet at 16 seconds. Isolated showers in the morning, then scattered showers in the afternoon. Isolated showers through the day. $$ PHZ124-171930- Big Island Southeast Waters- 817 PM HST Sun Aug 16 2026 .REST OF TONIGHT...East winds 10 to 15 knots. Seas to 6 feet. Wave Detail: East 4 feet at 7 seconds and south 4 feet at 15 seconds. Numerous heavy showers. .MONDAY...East northeast winds 15 to 20 knots. Seas to 6 feet. Wave Detail: East 4 feet at 5 seconds and south 4 feet at 15 seconds. Scattered showers, mainly in the morning. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 4 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 5 seconds and south 3 feet at 13 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Scattered showers, mainly in the evening. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 8 seconds. Isolated showers in the morning, then scattered showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers. .THURSDAY...East northeast winds 10 to 15 knots. Seas to 3 feet. Wave Detail: East 3 feet at 8 seconds. Scattered showers, then showers likely after midnight. .FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers. $$