


Offshore Forecast
Issued by NWS
Issued by NWS
203 FZHW61 PHFO 200306 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 506 PM HST SAT APR 19 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...High pressure far northeast of the state will drive gentle to moderate easterly trade winds into Monday while an upper level disturbance weakens east of the state. A surface low will develop northwest of the state Monday into Tuesday veering winds southerly and bringing a chance of thunderstorms. The low will move northeast of the state during the second half of next week. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and north 3 feet at 11 seconds. Scattered showers. .SUNDAY...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East 4 feet at 7 seconds and north 3 feet at 10 seconds. Scattered showers. .SUNDAY NIGHT...East winds to 15 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 10 seconds. Scattered showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: North 3 feet at 13 seconds. Scattered showers. .MONDAY NIGHT...East southeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers. .TUESDAY...Southeast winds 10 to 15 knots. Seas 4 to 5 feet. Scattered showers with a slight chance of thunderstorms. .TUESDAY NIGHT...South southeast winds to 10 knots to Kauai... southeast 15 to 20 knots elsewhere. Seas 4 to 5 feet. Scattered showers with a slight chance of thunderstorms. .WEDNESDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet. Scattered showers with a slight chance of thunderstorms. .THURSDAY...Southeast winds 15 to 20 knots. Seas 5 to 6 feet. Scattered showers through the night, then isolated showers through the day. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms E of 160W. .SUNDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms SE Waters. .SUNDAY NIGHT AND MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .MONDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .TUESDAY...SE winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. .WEDNESDAY AND THURSDAY...SE winds 15 to 25 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. $$