Sinus Roris
| Coordinates | 54°00′N 56°36′W / 54.0°N 56.6°W |
|---|---|
| Diameter | 202 km |
| Eponym | Bay of Dew |
Sinus Roris /ˈsaɪnəs ˈrɔːrɪs/ (Latin sinus rōris "Bay of Dew") is a dark, basaltic plain on the near side of the Moon that forms an extension of the northern edge of Oceanus Procellarum. The IAU-defined selenographic coordinates of this bay are 54.0° N, 56.6° W, and the diameter is 202 km.