


Offshore Forecast
Issued by NWS
Issued by NWS
162 FZHW61 PHFO 101518 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 518 AM HST SUN AUG 10 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...Surface high pressure will remain far NE of the Hawaiian Islands over the next several days. Tropical Storm Henriette will continue to drift northwestward, passing just north of the offshore waters. The ridge builds back in north of the islands following Henriette`s passing. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East southeast winds 10 to 15 knots. Seas 6 to 8 feet. Wave Detail: South southwest 5 feet at 14 seconds and east 4 feet at 10 seconds. Hazy. Isolated showers. .TONIGHT...East southeast winds to 10 knots near Kauai and Oahu... east southeast 15 to 20 knots elsewhere. Seas 5 to 7 feet. Wave Detail: South southwest 4 feet at 14 seconds and east 3 feet at 9 seconds. Hazy. Isolated showers. .MONDAY...Southeast winds to 10 knots to Kauai...east southeast 15 to 20 knots elsewhere. Seas 5 to 7 feet. Wave Detail: South 4 feet at 14 seconds and east 3 feet at 8 seconds. Hazy. Isolated showers. .MONDAY NIGHT...East winds 7 to 10 knots to Kauai...east 15 to 20 knots elsewhere. Seas 5 to 7 feet. Wave Detail: East 4 feet at 6 seconds and south 4 feet at 14 seconds. Isolated showers. .TUESDAY...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Isolated showers. .TUESDAY NIGHT...East northeast winds 15 to 20 knots. Seas 5 to 8 feet. Isolated showers. .WEDNESDAY...East northeast winds 15 to 20 knots. Seas 4 to 6 feet. Isolated showers. .THURSDAY...East northeast winds 10 to 15 knots, becoming east 15 to 20 knots. Seas 3 to 5 feet. Isolated showers. $$ Hawaiian Offshore Waters- .Synopsis for the Hawaiian offshore waters... Surface high pressure will remain far NE of the Hawaiian Islands over the next several days. Tropical Storm Henriette will continue to drift northwestward, passing just north of the offshore waters. The ridge builds back in north of the islands following Henriette`s passing. $$ PHZ180-102300- Hawaiian Offshore Waters- 518 AM HST Sun Aug 10 2025 .TODAY...E winds up to 10 kt. Seas 6 ft or less. Isolated thunderstorms SE Waters. .TONIGHT...E to SE winds up to 10 kt. Seas 6 ft or less. Isolated thunderstorms SE Waters. .MONDAY...E winds 10 to 20 kt. Seas 6 ft or less. .MONDAY NIGHT THROUGH THURSDAY...E winds 10 to 20 kt. Seas 6 ft or less. Isolated thunderstorms SE Waters through Tuesday. $$ $$