Size
398ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Union Lake
Walleye
Largemouth bass
Perch
Crappie
Northern pike
Bluegill
Pumpkinseed
Overview
Union Lake Map
Weather
71°Feels like 71°
80°
64°
80°64°6:27 AM
8:04 PM
2 mph
Southwest
0 in
Rain
30.01 inHg
Stable
MondayMo
80° / 64°
TuesdayTu
85° / 63°
WednesdayWe
80° / 60°
ThursdayTh
80° / 57°
FridayFr
81° / 61°
SaturdaySa
81° / 67°
Moon Phase
August 24, 2026
87% Illumination
waxing gibbous, getting brighter
MondayMo08/24
TuesdayTu08/25
WednesdayWe08/26
ThursdayTh08/27
FridayFr08/28
SaturdaySa08/29
SundaySu08/30
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Walleye
12-14 in
Length Range
13 in
Length Range
2015
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
