Location | Lake Michigan west of the Straits of Mackinac, Emmet County, Michigan |
---|---|
Coordinates | 45°50′32″N 85°8′7″W / 45.84222°N 85.13528°W |
Tower | |
Foundation | cofferdam/timber exposed Crib pier/concrete pier. |
Construction | Terra Cotta//steel/brick interior;[4] gunnite exterior; aluminium lantern |
Automated | 1976 |
Height | 121 feet (37 m)[1] |
Shape | Octagonal base on building; frustum of a cone.[5][6] |
Markings | White orig./Red and White barber pole tower, red lantern & base |
Heritage | National Register of Historic Places listed place |
Fog signal | Diaphone originally,[7] HORN 1 blast every 30", 3" blast. Operates year round. |
Racon | "K" (– • –).[3] |
Light | |
First lit | 1910 |
Focal height | 125 feet (38 m)[2] |
Lens | 2nd order bivalve Fresnel Lens[8] (original), 7.5-inch (190 mm) Tideland Signal acrylic lens (current) |
Intensity | 1.2 million candle power |
Range | 17 nautical miles (31 km; 20 mi) |
Characteristic | flashing 5 sec |
White Shoal Light Station | |
Nearest city | Mackinaw City, Michigan |
Area | 0.1 acres (0.040 ha) |
Architect | Judson, Major William V. |
MPS | U.S. Coast Guard Lighthouses and Light Stations on the Great Lakes TR |
NRHP reference No. | 84001391[9] |
Added to NRHP | July 19, 1984 |
The White Shoal Light is a lighthouse located 20 miles (32 km) west of the Mackinac Bridge in Lake Michigan.[10][11] It is an active aid to navigation.[3] It is also the tallest lighthouse on the Great Lakes.