190 FZHW61 PHFO 300233 OFFN10 NAVTEX Marine Forecast for Hawaiian Waters National Weather Service Honolulu HI 433 PM HST Fri Mar 29 2019 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis... A ridge will sit over the offshore waters into Saturday night. A trough will enter the SE waters tonight and remain in place through Saturday night. Another front will move into the NW waters late Sunday, then diminish over the central waters by Monday night. High pressure will build in behind the front. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...Winds variable less than 10 knots near the Big Island...north 10 to 15 knots elsewhere. Wind waves 3 feet. Northwest swell 9 feet. Isolated showers. .SATURDAY...Winds variable less than 10 knots near the Big Island...north 10 knots elsewhere. Wind waves 3 to 4 feet. Northwest swell 9 feet. Isolated showers. .SATURDAY NIGHT...Northeast winds 10 knots. Wind waves 3 to 4 feet. Northwest swell 8 feet. Isolated showers. $$ Hawaiian Offshore Waters- .TONIGHT...N winds 10 kt. Seas 6 to 10 ft. Slight chance of thunderstorms far SE waters. .SATURDAY...Trough far SE waters. N of 20N, W to NW winds 10 kt. S of 20N, NE to E winds 10 kt. Seas 7 to 10 ft. Slight chance of thunderstorms far SE waters. .SATURDAY NIGHT...Trough SE waters. N of 20N, variable winds to 10 kt. S of 20N, E winds 10 kt. Seas 7 to 9 ft. $$