FZHW61 PHFO 042142 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1142 AM HST MON MAY 4 2026 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A trough entering the NW waters on Tuesday will cause a weakening and veering of winds N of 20N through Wednesday. Weak ridging N of the islands will bring a return of NE to E winds for the latter half of the week. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East northeast winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: Northwest 5 feet at 12 seconds and east 4 feet at 6 seconds. Isolated showers. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 4 feet at 6 seconds and northwest 4 feet at 12 seconds. Isolated showers. .TUESDAY...Winds becoming variable less than 10 knots around Kauai and Oahu...east winds 10 to 15 knots Maui County and Big Island waters. Seas 5 to 6 feet. Wave Detail: East southeast 4 feet at 6 seconds and northwest 3 feet at 11 seconds. Isolated showers. .TUESDAY NIGHT AND WEDNESDAY...Variable winds 10 knots, except east winds 10 to 15 knots Big Island waters. Seas 4 to 6 feet. Wave Detail: East 3 feet at 6 seconds and northwest 2 feet at 10 seconds. Isolated showers. .THURSDAY AND FRIDAY...East northeast winds 10 to 15 knots. Seas 6 to 8 feet. Isolated showers $$ Hawaiian Offshore Waters- .THIS AFTERNOON...NE to E winds 10 to 20 kt, strongest S of 19N. Seas 6 to 8 ft. .TONIGHT...N of 23N, E to SE winds up to 10 kt. S of 23N, E winds 10 to 20 kt, strongest S of 19N. Seas 6 to 8 ft, highest S of 19N. .TUESDAY...NW waters, variable winds up to 10 kt. SE waters, E to SE winds 10 to 15 kt, strongest S of 19N. Seas 5 to 8 ft, highest S of 19N. .TUESDAY NIGHT...N of 21N W of 156W, NW to N winds up to 15 kt. N of 21N E of 156W, S to SE winds 10 to 15 kt. S of 21N, E winds 10 to 15 kt. Seas 5 to 7 ft. .WEDNESDAY...N of 21N W of 156W, N to NE winds 10 kt. N of 21N E of 156W, S to SE winds 10 to 15 kt. S of 21N, E winds 10 to 15 kt. Seas 6 to 7 ft. .THURSDAY AND FRIDAY...NE to E winds 5 to 15 kt, strongest S of 20N. Seas 6 to 9 ft. $$