| PNLM4 | 45.97N | 85.87W | 9087096 - Port Inland, MI |
| NABM4 | 46.09N | 85.44W | Naubinway, MI |
| FPTM4 | 45.62N | 86.66W | Fairport, MI |
| GRMM4 | 46.68N | 85.97W | Grand Marais, MI |
| 45002 | 45.33N | 86.42W | N MICHIGAN- Halfway between North Manitou and Washington Islands. |
| GTLM4 | 45.21N | 85.55W | Grand Traverse Light, MI |
| PTIM4 | 46.49N | 84.63W | 9099004 - Point Iroquois, MI |
| NPDW3 | 45.29N | 86.98W | Northport Pier at Death's Door WI |
| SWPM4 | 46.50N | 84.37W | 9076070 - S.W. Pier, MI |
| SYWW3 | 45.20N | 87.12W | Yacht Works Sister Bay WI |
| MCGM4 | 46.55N | 87.38W | 9099018 - Marquette C.G., MI |
| 45020 | 44.79N | 85.60W | Grand Traverse Bay Observing System Station 1 |
| LTRM4 | 46.48N | 84.30W | 9076032 - Little Rapids, MI |
| RCKM4 | 46.27N | 84.19W | 9076024 - Rock Cut, MI |
| GTBM4 | 44.77N | 85.61W | Grand Traverse Bay Observing System Station 2 |