Size
18ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Williamson Reservoir
Rainbow trout
Largemouth bass
Overview
Williamson Reservoir Map
Weather
56°Feels like 56°
80°
58°
80°58°6:28 AM
8:15 PM
2 mph
East
0 in
Rain
30.21 inHg
Falling
TuesdayTu
80° / 58°
WednesdayWe
88° / 63°
ThursdayTh
91° / 61°
FridayFr
85° / 59°
SaturdaySa
80° / 53°
SundaySu
72° / 52°
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
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Top Fish Species
Rainbow trout
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
