


Offshore Forecast
Issued by NWS
Issued by NWS
638 FZHW61 PHFO 160947 OFFN10 NAVTEX MARINE FORECAST FOR HAWAIIAN WATERS NATIONAL WEATHER SERVICE HONOLULU HI 1147 PM HST WED OCT 15 2025 ...Please refer to Coastal Waters Forecasts available through NOAA Weather Radio and other means for detailed coastal forecasts... .Synopsis...A broad trough remains over the N offshore waters for the next couple of days. A surface high will build far NE through the rest of the week while tracking E. Another high will quickly develop N of the area over the weekend before tracking east. An upper low will swing over the N half of the area tonight through the weekend, bringing a chance for thunderstorms. $$ Hawaiian waters within 40 nautical miles including the channels- .TONIGHT...East winds 20 to 25 knots. Seas 7 to 10 feet. Wave Detail: East 5 feet at 6 seconds and northwest 5 feet at 14 seconds. Numerous showers. .THURSDAY...East winds 20 to 25 knots. Seas 6 to 9 feet. Wave Detail: East 5 feet at 7 seconds and northwest 5 feet at 13 seconds. Scattered showers. .THURSDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 6 feet at 7 seconds and north northwest 4 feet at 13 seconds. Hazy. Frequent showers with isolated thunderstorms. .FRIDAY...East winds 20 to 25 knots. Seas 6 to 8 feet. Wave Detail: East 5 feet at 7 seconds and north northwest 5 feet at 13 seconds. Scattered showers with isolated thunderstorms. .FRIDAY NIGHT...East northeast winds 25 to 30 knots Alenuihaha Channel...east northeast to 20 knots elsewhere. Seas 6 to 8 feet. Scattered showers with isolated thunderstorms. .SATURDAY...East northeast winds 20 to 25 knots. Seas 6 to 8 feet. Scattered showers with isolated thunderstorms. .SATURDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 7 feet. Scattered showers. .SUNDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Scattered showers. .MONDAY...East northeast winds 20 to 25 knots. Seas 5 to 7 feet. Scattered showers. Winds and seas higher in and near tstms. $$ Hawaiian Offshore Waters- .REST OF TONIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. Isolated thunderstorms over N half. .THURSDAY...E winds 10 to 20 kt. Seas 7 to 9 ft. Isolated thunderstorms. .THURSDAY NIGHT THROUGH SATURDAY...E winds 20 to 25 kt NW Half, E 10 to 20 kt SE Half. Seas 7 to 9 ft. Isolated thunderstorms. .SUNDAY AND MONDAY...E winds 10 to 20 kt. Seas 6 to 8 ft. Isolated thunderstorms NW Half. $$