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Grand Haven South Pierhead Entrance Light

 
Location: the entrance to Grand River near Grand Haven, MI
Body of Water: Lake Michigan
Photo by: Jim Tracy
Source: USBeacons

Local Marine Forecast.

There are no active watches, warnings or advisories 

Latest Condiitions.

About Grand Haven South Pierhead Entrance Light

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The location of the light is the entrance to Grand River. The nearest city is Grand Haven, MI. The station was first established in 1839. The current lighthouse was first lit in 1905.

The tower has a flashing red light at a focal plane height of 42 ft above mean high water. The light has a nominal range of 17 nautical miles. The tower height is 42 ft. The light has a period of 10 seconds.

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

Identification number: 7-18965 (U.S.)

Fog Signal operates by keying the microphone five times on VHF-FM CH 83A.
HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si).

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 10 second period, the light is on for less than 5 then off for more than 5.

Photo by: Jim Tracy
Source: USBeacons

Photo by: Jim Tracy
Source: USBeacons
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