FZHW61 PHFO 211503 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 502 AM HST SAT MAR 21 2026 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A surface low west of Kauai will remain nearly stationary through Friday then pass through the far N offshore waters Saturday as the front moves to the N. The low will lift NE of the region on Sunday, and strong high pressure will build far N of the islands Monday and Tuesday. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...South southwest winds 20 to 25 knots near Kauai and Oahu...south 10 to 15 knots elsewhere. Seas 6 to 9 feet. Wave Detail: North northeast 9 feet at 11 seconds, south 3 feet at 5 seconds and south southwest 3 feet at 18 seconds. Heavy showers with isolated thunderstorms. .TONIGHT...South winds 7 to 10 knots near the Big Island...south southwest 15 to 20 knots elsewhere. Seas 7 to 10 feet. Wave Detail: North northeast 8 feet at 10 seconds, south 4 feet at 5 seconds and northwest 3 feet at 15 seconds. Heavy showers with isolated thunderstorms. .SUNDAY...Southwest winds 10 to 15 knots. Seas 5 to 8 feet. Wave Detail: North northeast 5 feet at 10 seconds and northwest 3 feet at 14 seconds. Heavy showers with isolated thunderstorms. .SUNDAY NIGHT...West southwest winds 10 to 15 knots. Seas 5 to 7 feet. Wave Detail: North northeast 4 feet at 10 seconds and northwest 3 feet at 13 seconds. Showers likely. .MONDAY...Northeast winds 15 to 20 knots near Kauai and Oahu... northeast 7 to 10 knots elsewhere. Seas 5 to 7 feet. Scattered showers. .MONDAY NIGHT...Northeast winds to 20 knots to Kauai...northeast 10 to 15 knots elsewhere. Seas 5 to 8 feet. Scattered showers. .TUESDAY...Northeast winds 15 to 20 knots. Seas 5 to 8 feet. Scattered showers. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 7 to 8 feet. Scattered showers through the night. Isolated showers through the day. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .TODAY...SW winds 10 to 20 kt. Seas 6 to 11 ft. Isolated thunderstorms. .TONIGHT...W winds 10 to 15 kt N of 20N, S up to 10 kt elsewhere. Seas 6 to 11 ft. Isolated thunderstorms. .SUNDAY...N winds 10 to 20 kt NW Half, SE up to 10 kt SE Half. Seas 6 to 10 ft. Isolated thunderstorms. .SUNDAY NIGHT...NW Half, NE winds 10 to 20 kt. SE Half, E winds 10 to 15 kt, diminishing to up to 10 kt after midnight. Seas 6 to 9 ft. Isolated thunderstorms. .MONDAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms S of 24N. .TUESDAY...NE winds 15 to 25 kt. Seas 6 to 9 ft. Isolated thunderstorms SE Waters. .WEDNESDAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. $$