Size
119ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in St. Mary's Lake
Perch
Walleye
Overview
St. Mary's Lake Map
Weather
68°Feels like 68°
69°
53°
69°53°7:13 AM
7:40 PM
9 mph
East
0 in
Rain
30.27 inHg
Falling
ThursdayTh
69° / 53°
FridayFr
65° / 51°
SaturdaySa
68° / 49°
SundaySu
67° / 48°
MondayMo
66° / 45°
TuesdayTu
68° / 48°
Moon Phase
September 17, 2026
37% Illumination
waxing crescent, getting brighter
ThursdayTh09/17
FridayFr09/18
SaturdaySa09/19
SundaySu09/20
MondayMo09/21
TuesdayTu09/22
WednesdayWe09/23
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Perch
5-10 in
Length Range
7 in
Length Range
2025
Surveyed
Abundance (CPUE)
Understanding Abundance
Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time
Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.Species Lengths
