


Offshore Forecast
Issued by NWS
Issued by NWS
760 FZHW61 PHFO 172137 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1137 AM HST SUN AUG 17 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...High pressure ridging building N of the region will maintain moderate to fresh E trades. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East northeast winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .TONIGHT...East winds 15 to 20 knots. Seas 5 to 6 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .MONDAY...East winds 20 to 25 knots. Seas 5 to 8 feet. Wave Detail: East 5 feet at 6 seconds. Scattered showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 5 to 7 feet. Wave Detail: East 5 feet at 7 seconds. Scattered showers. .TUESDAY...East winds 20 to 25 knots. Seas 5 to 8 feet. Isolated showers. .TUESDAY NIGHT...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Scattered showers. .WEDNESDAY...East northeast winds 20 to 25 knots. Seas 6 to 9 feet. Isolated showers through the night. Scattered showers through the day. .THURSDAY...East winds 20 to 25 knots. Seas 6 to 9 feet, subsiding to 5 to 6 feet. Isolated showers. $$ Hawaiian Offshore Waters- .THIS AFTERNOON...E winds 15 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms far NW waters. .TONIGHT THROUGH THURSDAY...E winds 10 to 20 kt. Seas 5 to 8 ft. Winds and seas occasionally higher S of 18N. $$