Size
33ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Grignon Lake
Largemouth bass
Perch
Crappie
Northern pike
Bluegill
Pumpkinseed
Rock bass
Overview
Grignon Lake Map
Weather
56°Feels like 56°
73°
44°
73°44°6:32 AM
7:05 PM
2 mph
South
0 in
Rain
29.96 inHg
Rising
TuesdayTu
73° / 44°
WednesdayWe
68° / 52°
ThursdayTh
73° / 51°
FridayFr
69° / 56°
SaturdaySa
72° / 53°
SundaySu
66° / 48°
Moon Phase
September 15, 2026
20% Illumination
waxing crescent, getting brighter
TuesdayTu09/15
WednesdayWe09/16
ThursdayTh09/17
FridayFr09/18
SaturdaySa09/19
SundaySu09/20
MondayMo09/21
Get Your Line in the Right Water
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Top Fish Species
Largemouth bass
No survey data
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
