


Offshore Forecast
Issued by NWS
Issued by NWS
061 FZHW61 PHFO 312142 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1142 AM HST THU JUL 31 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...High pressure will remain to the far N and NE of the area through this weekend. Tropical Storm Iona will continue to pass SW of the state today. Additional tropical cyclone development is possible far SE of Hawaii in the next day or two. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds 25 to 30 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds, south 4 feet at 17 seconds and southeast 3 feet at 9 seconds. Isolated showers. .TONIGHT...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds and south southwest 4 feet at 16 seconds. Isolated showers. .FRIDAY...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 15 seconds. Isolated showers. .FRIDAY NIGHT...East northeast winds 25 to 30 knots Alenuihaha Channel...east northeast to 20 knots elsewhere. Seas 7 to 10 feet. Wave Detail: East 6 feet at 7 seconds and south 4 feet at 14 seconds. Isolated showers. .SATURDAY...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Isolated showers. .SATURDAY NIGHT...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Isolated showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 7 to 9 feet. Isolated showers. .MONDAY...East northeast winds 15 to 20 knots, rising to 20 to 25 knots. Seas 6 to 9 feet, subsiding to 6 to 7 feet. Isolated showers. $$ Hawaiian Offshore Waters- .THIS AFTERNOON...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 6 to 10 ft. .TONIGHT THROUGH FRIDAY...E winds 10 to 15 kt N of 24N, E 15 to 25 kt elsewhere. Seas 7 to 11 ft. .FRIDAY NIGHT THROUGH SATURDAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .SUNDAY...E winds 15 to 25 kt. Seas 7 to 9 ft. .MONDAY...E winds 10 to 20 kt. Seas 7 to 9 ft. $$