Forecast for Big Island Windward and SoutheastShores Tonight Thursday Surf Surf PM AM AM PM North Facing 1-3 1-3 1-3 1-3 East Facing 5-7 4-6 4-6 4-6 South Facing 3-5 4-6 4-6 4-6TONIGHT Weather Mostly cloudy. Winds East winds around 10 mph, becomingnorth in the evening, then becomingwest after midnight. Forecast for Big Island LeewardShores Tonight Thursday Surf Surf PM AM AM PM West Facing 1-3 2-4 2-4 2-4 South Facing 3-5 4-6 4-6 4-6TONIGHT Weather Partly sunny until 6 PM, then partlycloudy. The High Surf Advisory was cancelled earlier today. Surf then fades gradually through the weekend while a mix of small S swells maintains surf slightly below the seasonal average.