| Offer Wadham Lighthouse | |
| Location: | Wadham Islands Newfoundland and Labrador Canada |
| Coordinates: | 49.5934°N -53.763°W |
| Yearbuilt: | 1858 (first) |
| Yearlit: | 1990s (current) |
| Automated: | 1990s |
| Yeardeactivated: | 1990s (first) |
| Construction: | brick and limestone encased in concrete tower (first) steel skeletal tower (current) |
| Shape: | octagonal tower lantern removed (first) square tower |
| Marking: | unpainted tower (first) |
| Height: | 12m (39feet) (first) 6m (20feet) (current) |
| Focalheight: | 30.5m (100.1feet) |
| Characteristic: | Fl W 3s. |
| Managingagent: | Canadian Coast Guard [1] |
The Offer Wadham Lighthouse is an active lighthouse in Newfoundland and Labrador, Canada, was lit for the first time on October 4, 1858. It was built after many petitions were sent to the government arguing for a light on the island to help guide mariners. This arose especially after the "Spring of the Wadhams" in 1852, when more than 40 sealing vessels were crushed and abandoned in the ice near Offer Wadham Island and several crew members escaped by climbing over cliffs to find shelter.[2]
The first lighthouse keeper was Thomas Hennessey and his assistant was Edward Reddy. Charles Prowse was appointed keeper in November 1862 until 1901 and his assistants were William Hennessey, William Murphy, Peter Woods, and Robert Wellon. Other lighthouse keepers on the island were:[3]
The lighthouse is described in the Newfoundland Almanac as a steady, fixed, white 4th-order dioptric burning on a circular brick tower at an arc of 360 degrees with a 2-wick concentric lamp. It was 100feet above sea level and could be seen at about .[4]
