Share this page

Grand Marais Harbor Outer Range Light

Location: Grand Marais Harbor / Lake Superior near Grand Marais, MI

Local Marine Forecast.

There are no active watches, warnings or advisories 

Latest Condiitions.

About Grand Marais Harbor Outer Range Light

The location of the light is Grand Marais Harbor / Lake Superior. The nearest city is Grand Marais, MI. The station was first established in 1908. The current lighthouse was first lit in 1908.

The lighthouse is a skeleton tower with upper part enclosed.

The tower has a flashing white light at a focal plane height of 40 ft above mean high water. The light has a nominal range of 9 nautical miles. The tower height is 12 ft. The light has a period of 2.5 seconds.

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

Identification number: 7-14550 (U.S.)

HORN: 1 blast ev 15s (2s bl). Operates from May 1 to Oct. 20.

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 2.5 second period, the light is on for less than 1.25 then off for more than 1.25.

Directions to Grand Marais Harbor Outer Range Light from your Location