|Green Bay Harbor Entrance, WI|
Description: Plans and specifications for a light and fog signal on a submarine foundation to mark the entrance to Green Bay were begun in 1934. A circular pier with a diameter of fifty feet was constructed at the old St. Paul dock on South Adams Street in Green Bay. To construct the pier, an octagonal timber grillage was first built of twelve-by-twelve-inch timbers to a height of twenty-four inches. Atop this base, steel forms for creating a three-foot-thick circular wall of concrete were assembled to a height of thirty feet, and inside this a heavy timber crib was constructed.
The lighthouse resting atop the pier has a circular base, of a smaller diameter than the pier, topped by a cylindrical tower. The first story of the base is concrete and interrupted by portholes that provide light for the basement story within the pier, while the second story is a steel structure lined with masonry. The conical steel tower is surmounted by a lantern room that has a focal plane of seventy-two feet, and atop this a skeletal structure for a radiobeacon projects skyward.
When the light was activated in 1935, a fourth-order Fresnel lens was used in the lantern room to project a fixed red light of 6,000 candlepower. The light and radiobeacon were powered by electricity supplied by a diesel generator coupled to a bank of storage batteries. The resonator for the fog signal was mounted in the cylindrical tower and was supplied with compressed air from oil-engine-drive compressors located in the machinery room. A crane operated by compressed air was mounted on the pier to handle the stationís boat. The total cost of the offshore station came to $108,447.
Theodore Grosskopf was serving as the head keeper at the lighthouse in 1943, when on Friday, December 10, bad weather prevented him and his three men from being taken off the station at the end of the shipping station. By Sunday the men had run out of food, and they remained in this perilous condition until a plane was able to drop supplies to the stranded men on Tuesday from a height of above fifty feet. The following day, John Paetschow, keeper of Manitowoc Lighthouse, led a party of three coastguardsmen from Two Rivers to rescue the men. Using a skiff, the four men covered the four miles out to the lighthouse over ice that ranged from six inches to just one inch in thickness. They reached the light at 4 p.m. and returned safely to shore an hour later.
After the Coast Guard took charge of the country's lighthouses in 1939, Green Bay Harbor Entrance Lighthouse was typically staffed by a couple of coastguardsmen who lived in the circular portion of the tower, serving alternating duties of two-weeks-on and two-weeks-off. The station was automated in 1979. Today, the lighthouse displays an occulting red light with a four-second period, and the fog signal sounds a two-second blast every fifteen second when needed during the navigation season that runs from April 1 to November 1.
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Green Bay Harbor Entrance Lighthouse is located roughly nine miles from the mouth of the Fox River and marks the west side of the entrance to the dredged channel that leads to Green Bay. You can check the current conditions at the light by clicking here.
Located in the middle of Green Bay 9.3 miles from the city of Green Bay. The lighthouse is owned by the Coast Guard. Tower closed.
The lighthouse is owned by the Coast Guard. Tower closed.
Pictures on this page copyright Kraig Anderson, used by permission.