Size
126ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Grandpa Lake
Perch
Northern pike
Overview
Grandpa Lake Map
Weather
53°Feels like 53°
--
45°
--45°--
--
2 mph
Southeast
0 in
Rain
30.27 inHg
Rising
FridayFr
-- / 45°
SaturdaySa
68° / 46°
SundaySu
59° / 40°
MondayMo
60° / 37°
TuesdayTu
62° / 40°
WednesdayWe
64° / 43°
Moon Phase
September 19, 2026
56% Illumination
waxing gibbous, getting brighter
SaturdaySa09/19
SundaySu09/20
MondayMo09/21
TuesdayTu09/22
WednesdayWe09/23
ThursdayTh09/24
FridayFr09/25
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Perch
5-7 in
Length Range
6 in
Length Range
1998
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
