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
Wed
5AM - 9AM
18 February 2026
NE 31–40 knots. Gusts up to 50 knots.
−2°C
Rain
Wed
9AM - 1PM
18 February 2026
- NE 36 knots decreasing to 29 knots. Gusts up to 51 knots.
- −2°C
E 2.4m at 6s period
UV Index: 0 - Low- Rain
Wed
1PM - 5PM
18 February 2026
- E 24–32 knots. Gusts up to 43 knots.
- −2°C
- E 2.0-2.4m at 6s period
- UV Index: 0 - Low
- Chance of showers