


Offshore Forecast
Issued by NWS
Issued by NWS
446 FZHW61 PHFO 210912 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1112 PM HST WED AUG 20 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...High pressure N of the area will continue to produce trade wind weather into early next week. A weak trough passing through the region, from late Thursday into Friday, may bring some unsettled weather with possible thunderstorms across the SE waters. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 20 to 25 knots. Seas 5 to 8 feet. Isolated showers. .THURSDAY...East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: South 3 feet at 14 seconds. Isolated showers. .THURSDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet. Wave Detail: South 3 feet at 13 seconds. Isolated showers. .FRIDAY...East winds to 15 knots to Kauai...east 20 to 25 knots elsewhere. Seas 5 to 7 feet. Wave Detail: East 3 feet at 7 seconds and south 3 feet at 13 seconds. Isolated showers. .FRIDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet. Isolated showers. .SATURDAY...East winds to 15 knots near Kauai and Oahu...east 20 to 25 knots elsewhere. Seas 5 to 7 feet. Isolated showers. .SATURDAY NIGHT...East winds to 15 knots to Kauai...east 20 to 25 knots elsewhere. Seas 5 to 7 feet. Isolated showers. .SUNDAY...to Kauai, east winds 10 to 15 knots. Elsewhere, east winds 20 to 25 knots, easing to 15 to 20 knots. Seas 5 to 7 feet. Isolated showers. .MONDAY...East winds 15 to 20 knots. Seas 5 to 7 feet. Isolated showers. $$ Hawaiian Offshore Waters- .REST OF TONIGHT...E winds 10 to 20 kt. Seas 5 to 8 ft. .THURSDAY...E winds 10 to 20 kt. Seas 5 to 8 ft. .THURSDAY NIGHT THROUGH FRIDAY NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Isolated thunderstorms SE Waters. .SATURDAY THROUGH MONDAY...E winds 10 to 20 kt. Seas 6 to 9 ft. $$