Sema
Lake County, Minnesota — DOW #38038600
6 Surveys
74.06
Acres
72 ft
Max Depth
2
Fish Species
8
Local Guides
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Sema. Green = above normal range. Red = below normal.
Lake Trout
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-09-04 | Standard gill nets | 4.3 (normal) | 1.0 – 4.5 | 3.79 lb | 13 |
| 1988-09-13 | Standard gill nets | 4.0 (normal) | 1.0 – 4.5 | 1.54 lb | 12 |
| 2015-09-14 | Standard gill nets | 8.7 (above normal) | 1.0 – 4.5 | 1.62 lb | 26 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
|---|---|---|---|---|---|
| 1979-09-04 | Standard gill nets | 1.0 (below normal) | 1.5 – 10.4 | 0.67 lb | 3 |
| 1988-09-13 | Standard gill nets | 3.0 (normal) | 1.5 – 10.4 | 0.30 lb | 9 |
| 2015-09-14 | Standard gill nets | 2.7 (normal) | 1.5 – 10.4 | 1.43 lb | 8 |
Depth Maps & Lake Info
Map & Directions
Get DirectionsShowing 14 nearby bait & tackle shops on the map.
Nearby Bait & Tackle
Agate Bay Outfitters LLC
Two Harbors, MN
★ 4.4Boundary Waters Outfitters
Ely, MN
★ 4.9Canadian Border Outfitters
Ely, MN
★ 4.8Granite Gear Inc
Two Harbors, MN
★ 4.7North Country Canoe Outfitters
Ely, MN
★ 4.9Red Rock Wilderness Store
Ely, MN
★ 5Seagren's Home Hardware Outdoors
Two Harbors, MN
★ 4.6Veness Bait & Tackle
Two Harbors, MN
★ 3.9Nearby Marinas
Resorts & Lodges Near Sema
Plan your stay — fishing resorts and lodges near Sema.
Fish Species
Species known to inhabit Sema. Click any species for a full fishing guide.
Fishing Guides Near Sema
Boreal Triangle Guide Service
(218) 830-2148
Boundary Waters Fishing Guide
(218) 235-9595
Duluth Superior Charter Fishing with Capt Paul Morris aboard Freedom II
(218) 428-5562
Ely Ice Fishing Company
(218) 365-3466
James Addiction Charter Fishing
(218) 213-8816
Muskie Doom Guide Service
(218) 491-3277
Other Lakes in Lake County
Plan Your Trip to Sema
- Weather forecast for Sema — check wind, rain, and temperature before you go
- GPS: 48.0869°N, 91.1680°W — Get Directions
- View on MN DNR LakeFinder for the latest survey data and lake info
- Review Minnesota fishing regulations for season dates and limits
- A Minnesota fishing license is required for ages 16+ — buy online at dnr.state.mn.us
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.