


Offshore Forecast
Issued by NWS
Issued by NWS
249 FZHW61 PHFO 311505 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 505 AM HST SUN AUG 31 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A ridge of high pressure N of the state will gradually shift south and stall just N of the area today. A trough of low pressure will pass near the S waters into early next week bringing a chance of thunderstorms to the far S waters. $$ Hawaiian waters within 40 nautical miles including the channels- .TODAY...East winds to 10 knots to Kauai...east 15 to 20 knots elsewhere. Seas 3 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .TONIGHT...East northeast winds 7 to 10 knots to Kauai...east southeast 15 to 20 knots elsewhere. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Wave Detail: East southeast 3 feet at 5 seconds. Isolated showers. .MONDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 6 feet. Wave Detail: East southeast 3 feet at 5 seconds and north northwest 3 feet at 15 seconds. Isolated showers. .TUESDAY...East winds 10 to 15 knots. Seas 5 to 6 feet. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas to 5 feet. Isolated showers. .WEDNESDAY...East winds 10 to 15 knots. Seas 4 to 5 feet. Isolated showers. .THURSDAY...East winds 15 to 20 knots. Seas 4 to 5 feet. Isolated showers. $$ Hawaiian Offshore Waters- .TODAY...E winds up to 10 kt NW Half, E 10 to 20 kt SE Half. Seas 5 to 7 ft. Isolated thunderstorms SE Waters. .TONIGHT THROUGH MONDAY NIGHT...NW Half, E winds 5 to 10 kt. SE Half, E winds 10 to 20 kt. Seas 5 to 7 ft. Isolated thunderstorms S waters .TUESDAY THROUGH THURSDAY...E winds up to 10 kt N of 24N, E 10 to 20 kt elsewhere. Seas 5 to 7 ft. $$