Forecast for Big Island Windward and SoutheastShores Tonight Saturday Surf Surf PM AM AM PM North Facing 0-2 0-2 0-2 0-2 East Facing 3-5 3-5 3-5 3-5 South Facing 2-4 2-4 3-5 3-5TONIGHT Weather Mostly cloudy. Winds North winds 5 to 10 mph. Forecast for Big Island LeewardShores Tonight Saturday Surf Surf PM AM AM PM West Facing 1-3 1-3 2-4 2-4 South Facing 2-4 2-4 3-5 3-5TONIGHT Weather Partly cloudy. Winds Southwest winds around 5 mph, becomingnorthwest in the evening, then becomingnortheast after midnight. A moderate, long-period south swell will peak near High Surf Advisory thresholds by midweek.