254 FZHW61 PHFO 171518 OFFN10 NAVTEX Marine Forecast for Hawaiian Waters National Weather Service Honolulu HI 518 AM HST Tue Dec 17 2019 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis... High pressure passing by north of the area will produce strong trade winds today. Winds will decrease a bit Wednesday through Thursday as a front passes by north of the state. Winds will strengthen once again Thursday night, and become very strong Friday through Saturday as a new strong high builds north of the island chain. $$ Hawaiian waters within 40 nautical miles including the channels- ...GALE WARNING THROUGH LATE THIS AFTERNOON FOR MAALAEA BAY...THE PAILOLO AND ALENUIHAHA CHANNELS AND WATERS SOUTH OF THE BIG ISLAND... .TODAY...East winds 25 to 35 knots. Wind waves 7 to 15 feet. Northwest swell 8 to 9 feet. Isolated showers. .TONIGHT...East winds 20 to 30 knots. Wind waves 7 to 15 feet. Northwest swell 6 to 8 feet. Scattered showers. .WEDNESDAY...East winds 20 to 30 knots. Wind waves 7 to 13 feet. Northwest swell 4 to 6 feet. Isolated showers. $$ Hawaiian Offshore Waters- .TODAY...N of 23N, E winds 15 to 25 kt. S of 23N, E winds 20 to 30 kt. Seas 9 to 13 ft. .TONIGHT...N of 23N, E winds 15 to 25 kt. S of 23N, E winds 20 to 30 kt. Seas 8 to 12 ft. .WEDNESDAY...N of 23N, E winds 10 to 20 kt. S of 23N, E winds 15 to 25 kt. Seas 8 to 12 ft. $$