FZHW50 PHFO 210651 CWFHFO Coastal Waters Forecast National Weather Service Honolulu HI 851 PM HST Mon Apr 20 2026 Hawaiian coastal waters within 40 nautical miles including the Hawaiian Islands Humpback Whale National Marine Sanctuary. PHZ100-211930- 851 PM HST Mon Apr 20 2026 .Synopsis for Hawaiian coastal waters... Weak to locally moderate east southeasterly flow will prevail through early Wednesday as a series of low pressure troughs pass northwest and north of the islands. Moderate to fresh northeast trade winds return late Wednesday and last into the weekend as high pressure builds north of the state. $$ PHZ110-211930- Kauai Northwest Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East southeast winds 7 to 10 knots early this evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 6 seconds. Isolated showers early this evening, then scattered showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: East 3 feet at 7 seconds, north northeast 3 feet at 9 seconds and northwest 3 feet at 14 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: Northwest 4 feet at 12 seconds, northeast 4 feet at 15 seconds and east 3 feet at 7 seconds. .WEDNESDAY...Winds variable less than 10 knots. Seas to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and northeast 4 feet at 14 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds and north northeast 4 feet at 12 seconds. .THURSDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and north northwest 3 feet at 15 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 4 feet at 5 seconds, northeast 4 feet at 10 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds, northeast 3 feet at 9 seconds and west northwest 3 feet at 12 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds 20 to 25 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 13 seconds and northeast 3 feet at 8 seconds. Isolated showers after midnight. $$ PHZ111-211930- Kauai Windward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East southeast winds to 10 knots early this evening, becoming variable less than 10 knots. Seas to 4 feet. Wave Detail: East 3 feet at 7 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds, north northeast 3 feet at 9 seconds and northwest 3 feet at 13 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 14 seconds, north northeast 4 feet at 15 seconds and east southeast 3 feet at 7 seconds. .WEDNESDAY...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and north northeast 4 feet at 14 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds, north northeast 4 feet at 12 seconds and east southeast 3 feet at 7 seconds. .THURSDAY...East northeast winds to 10 knots, becoming northeast in the afternoon. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and north northwest 3 feet at 16 seconds. .THURSDAY NIGHT...Northeast winds to 15 knots. Seas to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds, north northeast 4 feet at 10 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East southeast 5 feet at 6 seconds, northeast 4 feet at 9 seconds and west northwest 3 feet at 12 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 13 seconds and northeast 3 feet at 8 seconds. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ112-211930- Kauai Leeward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...Winds variable less than 10 knots. Seas to 3 feet. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: North northeast 3 feet at 9 seconds and northwest 3 feet at 14 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: Northwest 4 feet at 12 seconds and north northeast 3 feet at 9 seconds. .WEDNESDAY...Winds variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 13 seconds and north northeast 4 feet at 14 seconds. .WEDNESDAY NIGHT...East northeast winds 7 to 10 knots, becoming 10 to 15 knots after midnight. Seas 4 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds and north northeast 4 feet at 12 seconds. .THURSDAY...East northeast winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 4 to 6 feet. Wave Detail: East 4 feet at 6 seconds, north northeast 4 feet at 11 seconds and northwest 4 feet at 16 seconds. .THURSDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 6 seconds, north northeast 3 feet at 10 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds 15 to 20 knots. In the Kaulakahi Channel, east northeast winds 15 to 20 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 6 seconds, north northwest 4 feet at 12 seconds and northeast 3 feet at 9 seconds. .SATURDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots. In the Kaulakahi Channel, east northeast winds 20 to 25 knots, easing to 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East 6 feet at 7 seconds, north northwest 4 feet at 12 seconds and north northeast 3 feet at 8 seconds. Isolated showers after midnight. $$ PHZ113-211930- Kauai Channel- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East winds 7 to 10 knots early this evening, becoming variable less than 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 9 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: North northeast 4 feet at 15 seconds and northwest 3 feet at 14 seconds. .WEDNESDAY...Winds variable less than 10 knots, becoming northeast 7 to 10 knots in the afternoon. Seas to 5 feet. Wave Detail: North northeast 4 feet at 14 seconds and north northwest 3 feet at 13 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 12 seconds, east northeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds, north northeast 4 feet at 11 seconds and northwest 3 feet at 12 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East northeast 5 feet at 5 seconds and north northeast 4 feet at 10 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds, northeast 4 feet at 9 seconds and northwest 3 feet at 12 seconds. .SATURDAY...East northeast winds to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 6 feet at 7 seconds and north northwest 3 feet at 13 seconds. $$ PHZ114-211930- Oahu Windward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East winds 10 to 15 knots early this evening, becoming variable less than 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds, north northeast 3 feet at 9 seconds and northwest 3 feet at 13 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 15 seconds, east southeast 3 feet at 7 seconds and northwest 3 feet at 12 seconds. .WEDNESDAY...Winds variable less than 10 knots, becoming east northeast 7 to 10 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 13 seconds and north northwest 4 feet at 13 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northwest 4 feet at 12 seconds, north northeast 4 feet at 12 seconds and east 3 feet at 7 seconds. .THURSDAY...East northeast winds 10 to 15 knots. Seas to 6 feet. Wave Detail: East 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and north northwest 3 feet at 14 seconds. .THURSDAY NIGHT...East northeast winds to 15 knots. Seas to 6 feet. Wave Detail: East 4 feet at 5 seconds, north northeast 4 feet at 10 seconds and northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds to 15 knots, becoming 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 5 feet at 6 seconds, north northeast 4 feet at 9 seconds and west northwest 3 feet at 13 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds to 20 knots. Seas 6 to 7 feet. Wave Detail: East northeast 6 feet at 7 seconds and north northwest 4 feet at 13 seconds. Isolated showers in the morning. Isolated showers after midnight. $$ PHZ115-211930- Oahu Leeward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East southeast winds 7 to 10 knots early this evening, becoming variable less than 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...Winds variable less than 10 knots, becoming northeast 7 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 14 seconds. .WEDNESDAY...Northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: North northwest 3 feet at 14 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northwest 3 feet at 12 seconds. .THURSDAY...Northeast winds 10 to 15 knots. Seas 4 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds and west northwest 3 feet at 16 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 5 feet at 5 seconds and northwest 3 feet at 12 seconds. .SATURDAY...East northeast winds to 20 knots. Seas 4 to 5 feet. Wave Detail: East northeast 5 feet at 6 seconds and north northwest 3 feet at 13 seconds. $$ PHZ116-211930- Kaiwi Channel- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East winds 10 to 15 knots early this evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 5 seconds. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 4 seconds and north northeast 3 feet at 9 seconds. .TUESDAY NIGHT...Northeast winds 7 to 10 knots. Seas 4 to 6 feet. Wave Detail: North northeast 4 feet at 15 seconds, east 3 feet at 4 seconds and northwest 3 feet at 14 seconds. .WEDNESDAY...Northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 4 to 5 feet. Wave Detail: North northeast 4 feet at 13 seconds and northwest 3 feet at 14 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 12 seconds, east northeast 3 feet at 4 seconds and northwest 3 feet at 12 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East northeast 4 feet at 5 seconds, north northeast 4 feet at 11 seconds and northwest 3 feet at 12 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and north northeast 4 feet at 10 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds, north northeast 4 feet at 9 seconds and northwest 3 feet at 12 seconds. .SATURDAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: Northeast 6 feet at 7 seconds and northwest 4 feet at 13 seconds. $$ PHZ117-211930- Maui County Windward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East southeast winds 10 to 15 knots, veering to southeast 7 to 10 knots. Seas to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. .TUESDAY...South southeast winds 7 to 10 knots in the morning, becoming variable less than 10 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and north northeast 3 feet at 8 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 15 seconds, east southeast 3 feet at 7 seconds and northwest 3 feet at 13 seconds. .WEDNESDAY...Winds variable less than 10 knots, becoming northeast 7 to 10 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 13 seconds and north northwest 3 feet at 14 seconds. .WEDNESDAY NIGHT...East northeast winds to 10 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 11 seconds, east southeast 3 feet at 7 seconds and north northwest 3 feet at 12 seconds. .THURSDAY...Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 11 seconds, east southeast 3 feet at 5 seconds and north northwest 3 feet at 12 seconds. .THURSDAY NIGHT...Northeast winds to 15 knots. Seas 5 to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds, north northeast 4 feet at 10 seconds and northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds, north northeast 4 feet at 8 seconds and north northwest 3 feet at 12 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northeast 5 feet at 7 seconds and north northwest 4 feet at 13 seconds. Isolated showers in the morning. Isolated showers through the day. $$ PHZ118-211930- Maui County Leeward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...Southeast winds 10 to 15 knots early this evening, becoming variable less than 10 knots. Seas to 3 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 4 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots, becoming northeast 7 to 10 knots after midnight. Seas 3 to 4 feet. .WEDNESDAY...North northeast winds 7 to 10 knots. Seas 3 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. .THURSDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. .FRIDAY...Northeast winds 10 to 15 knots, rising to 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 5 seconds. .SATURDAY...Northeast winds 10 to 15 knots, rising to 15 to 20 knots in the afternoon and evening, then becoming east northeast 10 to 15 knots after midnight. Seas 3 to 5 feet. Wave Detail: East northeast 4 feet at 5 seconds. $$ PHZ119-211930- Maalaea Bay- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...North winds to 15 knots early this evening, becoming variable less than 10 knots. 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, becoming north northwest 10 to 15 knots in the afternoon. Seas to 2 feet or less. .WEDNESDAY NIGHT...North winds 15 to 20 knots, becoming north northeast 10 to 15 knots after midnight. Seas to 2 feet or less. .THURSDAY...North northeast winds 15 to 20 knots. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds. .THURSDAY NIGHT...North northeast winds 15 to 20 knots. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds. .FRIDAY...North winds to 20 knots, rising to 25 knots. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds. .SATURDAY...North winds to 25 knots, becoming north northeast after midnight. Seas to 2 feet or less. Wave Detail: North northeast 2 feet at 3 seconds. $$ PHZ120-211930- Pailolo Channel- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East northeast winds to 15 knots early this evening, becoming variable less than 10 knots. Seas to 3 feet. Isolated showers early this evening. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 3 to 4 feet. .WEDNESDAY...Winds variable less than 10 knots, becoming east northeast 10 to 15 knots in the afternoon. Seas 3 to 4 feet. .WEDNESDAY NIGHT...East northeast winds 10 to 15 knots. Seas 3 to 5 feet. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. .FRIDAY...Northeast winds 15 to 20 knots, becoming east northeast 20 to 25 knots. Seas 3 to 5 feet. Wave Detail: East northeast 3 feet at 4 seconds. .SATURDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: East northeast 4 feet at 6 seconds. $$ PHZ121-211930- Alenuihaha Channel- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East winds 10 to 15 knots early this evening, becoming variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Isolated showers. .TUESDAY...Winds variable less than 10 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 4 seconds. .TUESDAY NIGHT...Northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: North northeast 3 feet at 15 seconds. .WEDNESDAY...East northeast winds 7 to 10 knots, becoming 10 to 15 knots in the afternoon. Seas 3 to 5 feet. Wave Detail: North northeast 3 feet at 13 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, rising to 15 to 20 knots after midnight. Seas 3 to 5 feet. Wave Detail: East 3 feet at 5 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 5 seconds. .FRIDAY...Northeast winds 15 to 20 knots, becoming east northeast 20 to 25 knots. Seas 4 to 5 feet. Wave Detail: East northeast 5 feet at 5 seconds and northeast 3 feet at 8 seconds. .SATURDAY...East northeast winds 20 to 25 knots, easing to 15 to 20 knots after midnight. Seas 4 to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds. Isolated showers through the day. $$ PHZ122-211930- Big Island Windward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East southeast winds 10 to 15 knots, becoming 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. .TUESDAY...East southeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and north northeast 3 feet at 9 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots. Seas 4 to 6 feet. Wave Detail: North northeast 5 feet at 14 seconds, east southeast 3 feet at 7 seconds and northwest 3 feet at 14 seconds. .WEDNESDAY...Winds variable less than 10 knots, becoming east northeast 7 to 10 knots in the afternoon. Seas 5 to 6 feet. Wave Detail: North northeast 5 feet at 13 seconds and north northwest 3 feet at 14 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North northeast 4 feet at 12 seconds and north northwest 3 feet at 12 seconds. .THURSDAY...Northeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North northeast 4 feet at 11 seconds, east southeast 3 feet at 7 seconds and north northwest 3 feet at 12 seconds. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas to 5 feet. Wave Detail: North northeast 4 feet at 10 seconds and east southeast 3 feet at 5 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: North northeast 4 feet at 5 seconds, north northeast 4 feet at 9 seconds and north northwest 3 feet at 12 seconds. Isolated showers in the morning. Isolated showers through the day. .SATURDAY...East northeast winds 15 to 20 knots, easing to 10 to 15 knots after midnight. Seas 5 to 6 feet. Wave Detail: North northeast 4 feet at 5 seconds, northeast 4 feet at 8 seconds and north northwest 4 feet at 13 seconds. Isolated showers. Scattered showers after midnight. $$ PHZ123-211930- Big Island Leeward Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...West of the Big Island, winds variable less than 10 knots. Near South Point, east winds to 15 knots, becoming northeast 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 4 seconds. Isolated showers. .TUESDAY...West of the Big Island, winds variable less than 10 knots in the morning. winds variable less than 10 knots in the afternoon. Near South Point, east northeast winds 7 to 10 knots in the morning. Seas 3 to 5 feet. Wave Detail: Southeast 3 feet at 4 seconds. .TUESDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 7 to 10 knots near South Point. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 14 seconds. .WEDNESDAY...West of the Big Island, winds variable less than 10 knots, becoming west northwest 7 to 10 knots in the afternoon. Near South Point, east winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North northeast 3 feet at 13 seconds. .WEDNESDAY NIGHT...Winds variable less than 10 knots west of the Big Island...East northeast 10 to 15 knots near South Point. Seas 3 to 4 feet. Wave Detail: West northwest 3 feet at 18 seconds. .THURSDAY...West of the Big Island, northwest winds 7 to 10 knots, backing to west southwest in the afternoon. Near South Point, east winds 10 to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds and west northwest 3 feet at 17 seconds. .THURSDAY NIGHT...West of the Big Island, south southeast winds 7 to 10 knots, backing to north after midnight. Near South Point, east winds to 15 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...West of the Big Island, south southwest winds 7 to 10 knots, veering to west in the evening, then becoming variable less than 10 knots after midnight. Near South Point, east winds 10 to 15 knots, becoming east northeast 15 to 20 knots. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 5 seconds. .SATURDAY...Winds variable less than 10 knots west of the Big Island...East 15 to 20 knots near South Point. Seas 3 to 5 feet. Wave Detail: Northeast 4 feet at 6 seconds. Isolated showers after midnight. $$ PHZ124-211930- Big Island Southeast Waters- 851 PM HST Mon Apr 20 2026 .REST OF TONIGHT...East northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: East southeast 4 feet at 7 seconds. .TUESDAY...East northeast winds 7 to 10 knots. Seas 3 to 4 feet. Wave Detail: East southeast 3 feet at 7 seconds. .TUESDAY NIGHT...East northeast winds 7 to 10 knots. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 7 seconds and northeast 3 feet at 15 seconds. .WEDNESDAY...East northeast winds to 10 knots. Seas 3 to 5 feet. Wave Detail: Northeast 3 feet at 14 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds and northeast 3 feet at 12 seconds. .THURSDAY...East northeast winds to 15 knots. Seas 4 to 5 feet. Wave Detail: East southeast 4 feet at 5 seconds and west northwest 3 feet at 17 seconds. .THURSDAY NIGHT...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East 5 feet at 5 seconds and west northwest 3 feet at 15 seconds. .FRIDAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: East northeast 5 feet at 5 seconds. Isolated showers after midnight. .SATURDAY...East northeast winds to 20 knots. Seas 4 to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds and northeast 3 feet at 8 seconds. Isolated showers through the day. $$