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Forty-Mile Point Light

Location: Lake Huron near Rogers City, MI

Photo by: Jim Tracy
Source: USBeacons

About Forty-Mile Point Light


The location of the light is Lake Huron. The nearest city is Rogers City, MI. The station was first established in 1897. The current lighthouse was first lit in 1897.

The lighthouse is a square tower integrated into a house.

The tower has a flashing white light at a focal plane height of 66 ft above mean high water. The light has a nominal range of 16 nautical miles. The tower height is 52 ft. The light has a period of 6 seconds.

Open to the Public?: Grounds Only    Active?: Yes

Identification number: 7-11715 (U.S.)

The light was named referencing that it is 40 miles sailing distance from Mackinaw Point, MI.

A 'flashing' light is a light in which the total duration of light in a period is shorter than the total duration of darkness and the appearances of light (flashes) are usually of equal duration. So in the 6 second period, the light is on for less than 3 then off for more than 3.

Forty-Mile Point Light was listed on the National Register of Historic Places on July 19, 1984, reference number 84001830.

Photo by: Jim Tracy
Source: USBeacons

Today's Conditions on Site

Astronomical Info.

Astronomical Dawn: 6:26 am
Sunrise: 8:11 am
Sunset: 5:22 pm
Astronomical Dusk: 7:07 pm

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