About Knife River Marina
Knife River was built in the early 1970s and provides a safe harbor and needed services to enhance the Lake Superior Small Craft Harbor System. This 100 slip full-service marina is operated for the DNR by Knife River Marina
Facilities
Electricity
PetrolDiesel
Water
Sewage
Toilets
Haulout
BoatbuilderCOORDINATES
46.94557 N, -91.78197 E
Port Information
Telephone
Berth Sizes
10-20m
Depth at MLW
< 2m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Catamaran Berths
No
Dock Type
Floating
Style Side To
Yes
Tidal Flow
Negligible
Active Winter
No
Weather Forecast
Fri
5AM - 9AM
26 June 2026
Light and variable.
10 to 13°C
Calm sea
UV Index: 0 - Low
Cloudy
Fri
9AM - 1PM
26 June 2026
- S 4–7 knots backing SE 4-7 knots.
- 12 to 16°C
- Calm sea
- UV Index: 5 - Moderate
- Cloudy
Fri
1PM - 5PM
26 June 2026
- E 6 knots increasing to 9 knots.
- 13 to 16°C
- Calm sea
- UV Index: 6 - High
- Mostly fine