


Offshore Forecast
Issued by NWS
Issued by NWS
960 FZHW61 PHFO 300315 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 515 PM HST TUE JUL 29 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A high pressure ridge N of Hawaii will strengthen and remain in place through the weekend. Hurricane Iona and Tropical Storm Keli, far S to SE of the Hawaiian Islands respectively, will continue on a high confidence W track and pass S of the offshore waters through Thursday. Additional Tropical cyclone development is expected far SE of Hawaii in the next few days. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 15 to 20 knots near Kauai and Oahu...east 25 to 30 knots elsewhere. Seas 6 to 9 feet. Wave Detail: East southeast 6 feet at 7 seconds, southeast 3 feet at 10 seconds and south 3 feet at 15 seconds. Isolated showers. .WEDNESDAY...East winds 15 to 20 knots to Kauai...east 25 to 30 knots elsewhere. Seas 7 to 10 feet. Wave Detail: East southeast 6 feet at 7 seconds, southeast 4 feet at 10 seconds and south 4 feet at 20 seconds. Isolated showers. .WEDNESDAY NIGHT...East winds 25 to 30 knots. Seas 8 to 11 feet. Wave Detail: East 6 feet at 7 seconds, south 4 feet at 19 seconds and southeast 3 feet at 9 seconds. Isolated showers. .THURSDAY...East northeast winds 25 to 30 knots. Seas 8 to 11 feet. Wave Detail: East 6 feet at 7 seconds and south 5 feet at 17 seconds. Isolated showers. .THURSDAY NIGHT...East northeast winds 25 to 30 knots. Seas 7 to 10 feet. Isolated showers. .FRIDAY...East northeast winds 25 to 30 knots. Seas 7 to 10 feet. Scattered showers. .FRIDAY NIGHT...East northeast winds 25 to 30 knots. Seas 6 to 8 feet. Scattered showers. .SATURDAY...East northeast winds 25 to 30 knots. Seas 6 to 8 feet. Isolated showers. .SUNDAY...East northeast winds 25 to 30 knots. Seas 6 to 8 feet. Isolated showers. $$ Hawaiian Offshore Waters- .TONIGHT THROUGH WEDNESDAY NIGHT...N Waters, E winds 10 to 20 kt. S waters, E winds 15 to 25 kt. N of 21N, Seas 5 to 7 ft. S of 21N, seas 8 to 10 ft. Isolated thunderstorms S of 18N...and N of 25N. .THURSDAY THROUGH SUNDAY...N of 24N, E winds 10 to 20 kt. Elsewhere E winds 15 to 25 kt. Seas 6 to 9 ft, highest S waters. $$