About Detour State Harbor
600 Ontario St, De Tour Village, MI 49725, United States Dates open: Early May to late September Transient and seasonal slips available. Radio Channel: 16. Marina: 45° 59’ 43” N 83° 53’ 50” W DeTour State Harbor: 906-297-5947 +1 (906) 248-3534 - Off season State of Michigan DNR: 906-297-2581 U.S. Border Protection: 906-635-5719 U.S. Customs: 906-632-7221


Facilities
COORDINATES
45.99687 N, -83.89882 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m, 20m+
Depth at MLW
2 - 3m
Manoeuvrability
Good
Channel Marking
Excellent
VHF Channel
16, 71
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Mon
9AM - 1PM
20 July 2026
- SW 7–14 knots. Gusts up to 22 knots.
- 20°C
- SW 0.4m at 2s period
- Cloudy
Mon
1PM - 5PM
20 July 2026
- W 7–14 knots backing S 7-14 knots. Gusts up to 21 knots.
- 21 to 24°C
- SW 0.4m at 2s period
- UV Index: 6 - High
- Partly cloudy
Mon
5PM - 9PM
20 July 2026
- S 8–11 knots. Gusts up to 21 knots.
- 20 to 23°C
- S 0.4m at 3s period
- UV Index: 0 - Low
- Chance of showers