| Weatherall Bay | |
| Location: | Byam Martin Channel |
| Coords: | 76°N -122°W |
| Oceans: | Arctic Ocean |
| Countries: | Canada |
| Pushpin Map: | Canada Nunavut |
| Cities: | Uninhabited |
Weatherall Bay is an Arctic waterway in the Qikiqtaaluk Region, Nunavut, Canada. It is located in the Byam Martin Channel, northeast of Melville Island. Domett Point is at its mouth.[1]