Forecast for Big Island Windward and SoutheastShores Tonight Friday Surf Surf PM AM AM PM North Facing 0-2 0-2 0-2 0-2 East Facing 4-6 5-7 5-7 5-7 South Facing 4-6 3-5 3-5 3-5TONIGHT Weather Mostly cloudy. Forecast for Big Island LeewardShores Tonight Friday Surf Surf PM AM AM PM West Facing 2-4 1-3 1-3 1-3 South Facing 4-6 3-5 3-5 3-5TONIGHT Weather Partly cloudy. Low 0.2 feet 11:54 PM HST. The current medium period south swell is expected to gradually fade through the weekend. A mix of small south swells over the next few days will maintain surf along south facing shores slightly below the seasonal average.