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North Manitou Shoal Light

 
Location: off North and South Manitou Islands near Glen Arbor, MI
Body of Water: Lake Michigan

Local Marine Forecast.

There are no active watches, warnings or advisories 

Latest Condiitions.

About North Manitou Shoal Light

The location of the light is off North and South Manitou Islands. The nearest city is Glen Arbor, MI. The station was first established in 1935. The current lighthouse was first lit in 1935.

The lighthouse is a white square steel structure atop a concrete crib.

The tower has a flashing red light at a focal plane height of 79 ft above mean high water. The light has a nominal range of 14 nautical miles. The tower height is 63 ft. The light has a period of 15 seconds.

Open to the Public?: No    Active?: Yes

Identification number: 7-18340 (U.S.)

The light was automated in 1980.

RACON: N ( - . )
HORN: 2 blasts ev 20s (2s bl- 2s si-2s bl-14s si). Standby light of reduced intensity

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 15 second period, the light is on for less than 7.5 then off for more than 7.5.

North Manitou Shoal Light was listed on the National Register of Historic Places on Sept. 6, 2005, reference number 05000981.

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