Size
40ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Grundy County Lake
Largemouth bass
Walleye
Perch
Bluegill
Channel catfish
Crappie
Overview
Grundy County Lake Map
Weather
71°Feels like 71°
--
61°
--61°--
--
0 mph
Southeast
0 in
Rain
29.97 inHg
Rising
MondayMo
-- / 61°
TuesdayTu
81° / 65°
WednesdayWe
81° / 61°
ThursdayTh
81° / 58°
FridayFr
82° / 63°
SaturdaySa
83° / 67°
Moon Phase
August 25, 2026
93% Illumination
waxing gibbous, getting brighter
TuesdayTu08/25
WednesdayWe08/26
ThursdayTh08/27
FridayFr08/28
SaturdaySa08/29
SundaySu08/30
MondayMo08/31
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Largemouth bass
13-14 in
Length Range
14 in
Length Range
2024
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
