Gravelly Shoal
Type:
Lighthouse
Type of Flashing:
Flashing (Fl)
Number of Flashes:
1
Light Color:
Red / R
Interval of Flashing:
6s
Focal Height:
23m
Location / Area / Island:
Michigan's Eastern Lower Peninsula
Operational:
Yes
Nearby Vessels
| Vessel Name | Distance | Bearing |
|---|---|---|
| 3 | 2.58 | 20 |
| 1 | 5.73 | 16 |
| JOHN J. BOLAND | 13.26 | 359 |
| ADVENTURE | 15.74 | 7 |
| 5 | 18.46 | 213 |
| 6 | 18.47 | 213 |
| 9 | 21.25 | 213 |
| 1 | 21.25 | 213 |
| 1 | 22.28 | 213 |
| 1 | 22.29 | 213 |
| 13 | 23.33 | 213 |
| 1 | 23.33 | 213 |
| APPLEDORE IV | 25.7 | 213 |
| UNLEADED | 26.36 | 212 |
| ENCORE | 26.98 | 210 |
| NOAA R4107 | 27 | 210 |
| MUDPUPPY II | 27 | 210 |
| OLIVE L. MOORE | 27.32 | 210 |
| TABU | 28.89 | 213 |
| 3669181 | 28.98 | 191 |
