Green Bay Harbor Entrance Lighthouse
Occ R 4s🇺🇸Eastern Wisconsin, USOperational
Location & Light Range
About Green Bay Harbor Entrance Lighthouse
This offshore lighthouse was established near Green Bay, Wisconsin, in 1935. It stands 22 meters above the water and exhibits a red light. The lighthouse is powered by a submarine cable, a system still utilized by a limited number of Great Lakes lights. Its illumination comes from a pair of 300 mm acrylic optics. The structure is best viewed from a vessel, as it is situated too far offshore for good land-based observation.
Why it matters: This light marks the entrance to Green Bay and defines the shipping channel leading to the Fox River.
Background
The Green Bay Harbor Entrance Light is an offshore lighthouse near Green Bay, Wisconsin. Located 10 miles (16 km) from the mouth of the Fox River, it was erected to signal the entrance to Green Bay.
The shipping channel approaching the Fox River in Green Bay was changed a number of times in order to accommodate vessels of increasing draft. The Army Corps of Engineers also modified the channel in the mid 1920s. The Green Bay Harbor Entrance buoy was established in 1927 to mark this point until the Bureau of Lighthouses could obtain funds for a more permanent solution. The acetylene buoy emitted a flash of 0.3 seconds duration every 3 seconds and had a wave-activated bell. The light is one of the few on the Great Lakes still powered by submarine cable. It is issued from a pair of 300 mm Tideland Signal ML300 acrylic optics mounted on the gallery railing. Because the light is too far out to be seen well from shore, the only good view of it is from a boat.Light & Optic
Characteristic Signature
Occ R 4s
- Flash Type
- Occ
- Light Color
- Red
- Flash Count
- 1 flash
- Interval
- 4s
- Focal Height
- 22m
Location
- City
- Eastern Wisconsin
- Country
- 🇺🇸US
- Latitude
- 44.6500°
- Longitude
- -87.9000°
Nearby Vessels
Construction & History
- Year Built
- 1935
References & Identifiers
- Wikipedia
- Read on Wikipedia →
- Wikidata
- Q5602333 →
- OpenStreetMap
- View on OSM →
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