


Coastal Waters Forecast
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
699 FZHW50 PHFO 200119 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 318 PM HST Sat Jul 19 2025 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-201400- 318 PM HST Sat Jul 19 2025 .Synopsis for Hawaiian coastal waters... A weak trough moving through the region and a trough far north of the area will keep trade winds in the gentle to locally fresh range this weekend. As the trough north of the area moves west and weakens, high pressure will build and gradually strengthen trade winds next week. $$ PHZ110-201400- Kauai Northwest Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers with a slight chance of thunderstorms. .SUNDAY...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 7 seconds. Scattered showers. .MONDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .MONDAY NIGHT...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .THURSDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 7 seconds. Isolated showers in the morning. Isolated showers through the day. Winds and seas higher in and near tstms. $$ PHZ111-201400- Kauai Windward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers this evening. A slight chance of thunderstorms. Numerous showers after midnight. .SUNDAY...East southeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .SUNDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .MONDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 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 in the evening, then scattered showers after midnight. .TUESDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East southeast winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .THURSDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ112-201400- Kauai Leeward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers with a slight chance of thunderstorms. .SUNDAY...East southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the morning. .MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .THURSDAY...East winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. Winds and seas higher in and near tstms. $$ PHZ113-201400- Kauai Channel- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .MONDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the morning. .MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers after midnight. $$ PHZ114-201400- Oahu Windward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .SUNDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .SUNDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .TUESDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT...East winds to 15 knots. Seas to 5 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East winds to 15 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .THURSDAY...East winds to 15 knots. Seas to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. $$ PHZ115-201400- Oahu Leeward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 10 to 15 knots. Seas to 4 feet. Wave Detail: East 4 feet at 6 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers in the evening. .MONDAY...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .TUESDAY NIGHT...East northeast winds 10 to 15 knots, becoming 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 4 feet at 6 seconds. $$ PHZ116-201400- Kaiwi Channel- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .SUNDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers after midnight. .MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers after midnight. .TUESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. .TUESDAY NIGHT...East winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. .THURSDAY...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ117-201400- Maui County Windward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots. Seas to 5 feet. Wave Detail: East southeast 5 feet at 7 seconds. Isolated showers. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. $$ PHZ118-201400- Maui County Leeward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. Scattered showers this evening. Isolated showers after midnight. .SUNDAY...East winds 15 to 20 knots, easing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. .SUNDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. .MONDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. .MONDAY NIGHT...East winds 10 to 15 knots, becoming east northeast 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .TUESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. .TUESDAY NIGHT...East winds 10 to 15 knots, backing to northeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 6 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 6 seconds. .THURSDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. $$ PHZ119-201400- Maalaea Bay- 319 PM HST Sat Jul 19 2025 .TONIGHT...North winds to 15 knots, becoming north northeast after midnight. Seas to 2 feet or less. .SUNDAY...North winds 15 to 20 knots. Seas to 2 feet or less. .SUNDAY NIGHT...North winds 15 to 20 knots. Seas to 2 feet or less. .MONDAY...North northeast winds 15 to 20 knots. Seas to 2 feet or less. .MONDAY NIGHT...Winds variable less than 10 knots, becoming north northeast 7 to 10 knots after midnight. Seas to 2 feet or less. .TUESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas to 2 feet or less. .WEDNESDAY...Winds variable less than 10 knots. Seas to 2 feet or less. .THURSDAY...Winds variable less than 10 knots. Seas to 2 feet or less. $$ PHZ120-201400- Pailolo Channel- 319 PM HST Sat Jul 19 2025 .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .MONDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .MONDAY NIGHT...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers after midnight. .TUESDAY...East northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers in the afternoon. .TUESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .WEDNESDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. .THURSDAY...East northeast winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. Isolated showers. $$ PHZ121-201400- Alenuihaha Channel- 319 PM HST Sat Jul 19 2025 .TONIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 5 seconds. .MONDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers after midnight. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. .THURSDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East 5 feet at 6 seconds. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ122-201400- Big Island Windward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers. .SUNDAY...East winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. Scattered showers, mainly in the morning. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. Isolated showers in the evening, then scattered showers after midnight. .MONDAY...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Scattered showers, mainly in the morning. .MONDAY NIGHT...East winds to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. Scattered showers, mainly in the morning. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 7 seconds. Isolated showers in the evening, then scattered showers after midnight. .WEDNESDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 4 feet at 8 seconds. Isolated showers. .THURSDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: East 4 feet at 10 seconds. Isolated showers. $$ PHZ123-201400- Big Island Leeward Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...West of the Big Island, northwest winds 7 to 10 knots this evening, becoming variable less than 10 knots. Near South Point, east winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .SUNDAY...Winds variable less than 10 knots west of the Big Island...East to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds 15 to 20 knots, becoming to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers after midnight. .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 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. .MONDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers. .TUESDAY...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 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers in the morning. .TUESDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: East 4 feet at 5 seconds. Isolated showers after midnight. .WEDNESDAY...West of the Big Island, winds variable less than 10 knots, becoming northwest 7 to 10 knots in the afternoon, then becoming variable less than 10 knots. Near South Point, east winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds. Isolated showers through the night. Isolated showers after midnight. .THURSDAY...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: East northeast 4 feet at 5 seconds. Isolated showers. Winds and seas higher in and near tstms. $$ PHZ124-201400- Big Island Southeast Waters- 319 PM HST Sat Jul 19 2025 .TONIGHT...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .SUNDAY...East northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers in the morning. .SUNDAY NIGHT...East northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 5 seconds. Isolated showers in the morning. .MONDAY NIGHT...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 5 feet at 6 seconds. Isolated showers. .TUESDAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .TUESDAY NIGHT...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 7 seconds. Isolated showers. .WEDNESDAY...East northeast winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East 6 feet at 7 seconds. Isolated showers in the morning. Isolated showers after midnight. .THURSDAY...East northeast winds to 20 knots. Seas to 6 feet. Wave Detail: East 6 feet at 6 seconds. Isolated showers in the morning. Isolated showers through the day. $$