the light burns year-round except between 2 may and 4 august each year when it is unnecessary due to the midnight sun. the light is located at an elevation of above sea level. the light is white, red, or green depending on direction, occulting twice every 8 seconds. the 139,100-candela light can be seen for up to . the tall round cast iron tower is centered on a 2-story concrete block keeper's house. the tower is painted red with one white horizontal band and the keeper's house is painted white. the house has dwelling units for three keepers and was in use until the lighthouse was automated in 1979.