Manitoba · Canada
Lake Winnipegosis
Manitoba's second-largest lake, Lake Winnipegosis is a shallow, turbid prairie lake west of Lake Winnipeg and north of Lake Manitoba. Its commercial fishery targets walleye, northern pike, lake whitefish and mullet species, while anglers pursue walleye and pike. Birch Island, at 806 km2, sits within the lake.
- Region
- Manitoba, Canada
- Nearest community
- Winnipegosis
- Size
- 5,374 km2
- Depth
- 18.3 m
- Regulation zone
- Southern Division
Species in Lake Winnipegosis
Walleye
Northern Pike
Lake Whitefish
Yellow Perch
Sauger
White Sucker
Shorthead Redhorse
Cisco (Tullibee)
Common Carp
Tap a species for Bump Board's full tactics guide.
Also stocked
Seasons & limits — Southern Division
| Species | Season | Limit | Notes |
|---|---|---|---|
| Walleye (Pickerel) & Sauger (either or combined) | Southern Division: closed April 6, 2026 to May 8, 2026; open May 9, 2026 to April 4, 2027. Northwest Division: closed May 1 to May 15, 2026; open May 16, 2026 to April 30, 2027. North Central Division: closed May 1 to May 15, 2026; open May 16, 2026 to April 30, 2027. Northeast Division: generally open all year (waterbody-specific closures apply). Lake Winnipeg: walleye/sauger closed April 6 to May 15, 2026. | 4 | None may exceed 55 cm |
| Northern Pike (Jackfish) | Open year-round (all divisions; waterbody-specific closures apply) | 4 | None may exceed 75 cm |
| Yellow Perch | Open year-round (all divisions; waterbody-specific closures apply) | 25 | No size restriction (provincially) |
| Lake Whitefish | Open year-round (all divisions; waterbody-specific closures apply) | 10 | No size restriction (provincially) |
Always confirm regulations with the official provincial guide before fishing — rules change, and waterbody-specific exceptions apply.
Waterbody-specific rules
- Walleye/sauger season closed Apr 6 to May 15. All walleye and sauger shorter than 35 cm must be released (includes tributaries up to the first impassable barrier).
Manitoba Master Angler qualifying sizes
- Walleye — minimum 71 cm (28 in)
- Northern Pike — minimum 104 cm (41 in)
- Lake Whitefish — minimum 56 cm (22 in)
- Yellow Perch — minimum 33 cm (13 in)
- Sauger — minimum 46 cm (18 in)
- Common Carp — minimum 76 cm (30 in)
- Lake Whitefish — minimum 56 cm (22 in)
- Walleye — minimum 71 cm (28 in)
From the Manitoba Master Angler Program (Travel Manitoba).
More Manitoba lakes
Species & regulations: 2026 Manitoba Anglers' Guide, via the Bump Board dataset.