Minnesota Great Lakes · United States

Lake Superior Duluth fishing forecast

73 Good of 100

Lake Superior Duluth is a freshwater fishing spot in Minnesota Great Lakes, United States. Anglers here target Lake Trout, Atlantic Salmon, Chinook Salmon, Steelhead. The most productive months are typically May, June, July, August, September, October.

Quick answer

Best monthsMay, June, July, August

Top speciesLake Trout, Atlantic Salmon, Chinook Salmon

Score now73/100

Local rulesUnited States — Federal Waters

Today’s verdict

Ranks #170 of 437 spots FishRadar scored worldwide today

In line with this spot’s 7-day average

Score confidence ±7 points, from 7 live signals

The statistical model disagrees with the physics model here today — treat this score with extra caution.

Helping the score most

Water temperature+15.0Waves+15.0Wind+8.4

Pressure trend

Pressure stable — fish feeding on their usual rhythm

Next solunar peak

minor 08:41

Current conditions

Sea surface temp	18.6 °C
Wind	18 km/h from SSE
Pressure	1014 hPa
Cloud cover	100%
Chlorophyll	2.84 mg/m³
Salinity	0.0 PSU
UV index	0
Precipitation (24h)	0.1 mm
Wind sea	0.0 m
Ground swell	0.0 m at 0 s

The water here is 1.3 °C warmer than the September average of 17.3 °C. Warmer-than-normal water pushes cool-water species deeper and brings warm-water species in earlier than the calendar suggests. The water is mixed to about 39.4 m, with the thermocline below that.

Updated 1 h ago.

What the score means at Lake Superior Duluth

Lake Superior Duluth currently scores 73 out of 100 (Good). Water temperature is 18.6 °C. 7 forecast signals are active in this score.

Water temperature +15.0: how close the water is to this species mix’s comfort band
Waves +15.0: swell energy stirring the water column
Wind +8.4: surface chop, oxygen and bait drift
Barometric pressure +4.4: falling pressure often triggers feeding
Gust factor +4.0: gustiness versus steady wind
Pre-storm bite +2.4: the classic feed before heavy weather

What’s biting now

The model expects today: walleye, smallmouth-bass, northern-pike, largemouth-bass, lake-trout, muskellunge, lake-sturgeon, sauger

[object Object] — Protected here — release immediately

Bite windows

Moon

Waning Crescent · 14% lit

Solunar day rating

50 / 100

Best months for Lake Superior Duluth:

Score history at this spot

30 days tracked at this exact location

Best recent day: 2026-08-13, 79/100

26 day(s) at 70+ in the tracked period

3 points below the same day last week

About this spot

Water type

Lake · Freshwater

Lakes have no tide, so target structure, drop-offs, and seasonal thermoclines where fish concentrate by depth and temperature.

Access & shore

Fishable from shore · beach

What you can catch

Lake Trout

Salvelinus namaycush
Atlantic Salmon

Salmo salar
Chinook Salmon

Oncorhynchus tshawytscha
Steelhead

Oncorhynchus mykiss

Best months by species at Lake Superior Duluth

Lake TroutSalvelinus namaycush
Atlantic SalmonSalmo salar
Chinook SalmonOncorhynchus tshawytscha
SteelheadOncorhynchus mykiss

Typical months; local seasons and closures apply.

Local regulations

U.S. federal fisheries authority

United States — Federal Waters

Licensing:

saltwater-recreational — residents Federal Recreational Fishing License may be required in addition to state license when fishing federal (EEZ) waters., non-residents Same as residents. Many states require their own license even in federal waters.

FishRadar regulations are summaries only. Federal and state waters rules overlap — always verify current federal and state agency rules before fishing.