Thwart Island Harbour is a Bay located in Newfoundland and Labrador and has an elevation of 12 meters.

• Latitude: 49° 18' 3'' North   (decimal: 49.3008333)
• Longitude: 55° 7' 53'' West   (decimal: -55.1313888)
• Topography Feature Category: Bay
• Geographical Feature: Harbour
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 12 meters
• Atlas of Canada Locator Map: Thwart Island Harbour
• GPS Coordinate Locator Map: Thwart Island Harbour Lat/Long