FZHW61 PHFO 210943 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1143 PM HST MON JUL 20 2026 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...High pressure far to the NE of Hawaii will sink S slowly and strengthen through Friday. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East northeast winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 15 seconds. Scattered showers. .TUESDAY...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 6 seconds, south 4 feet at 14 seconds and east 3 feet at 14 seconds. Scattered showers. .TUESDAY NIGHT...East winds 15 to 20 knots. Seas 6 to 7 feet. Wave Detail: East 5 feet at 12 seconds and south 4 feet at 13 seconds. Scattered showers. .WEDNESDAY...East northeast winds 25 to 30 knots Alenuihaha Channel...east northeast 15 to 20 knots elsewhere. Seas 6 to 8 feet. Wave Detail: East 5 feet at 12 seconds and south 4 feet at 13 seconds. Scattered showers. .WEDNESDAY NIGHT AND THURSDAY...East northeast winds 25 to 30 knots Alenuihaha Channel...east northeast to 20 knots elsewhere. Seas 6 to 8 feet. Scattered showers. .THURSDAY NIGHT AND FRIDAY...East northeast winds 25 to 30 knots. Seas 7 to 9 feet. Scattered showers. .SATURDAY...East northeast winds 20 to 25 knots, rising to 25 to 30 knots. Seas 7 to 8 feet. Scattered showers. $$ Hawaiian Offshore Waters- .REST OF TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUESDAY...E winds 10 to 25 kt. Seas 6 to 7 ft. .TUESDAY NIGHT AND WEDNESDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms SE Waters. .WEDNESDAY NIGHT AND THURSDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRIDAY AND SATURDAY...E winds 15 to 25 kt. Seas 7 to 9 ft. $$