Size
875ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in Union Lake
Walleye
Largemouth bass
Crappie
Northern pike
Perch
Bluegill
Pumpkinseed
Rock bass
Overview
Union Lake Map
Weather
67°Feels like 67°
68°
48°
68°48°7:06 AM
7:30 PM
11 mph
South
0 in
Rain
30.11 inHg
Falling
FridayFr
68° / 48°
SaturdaySa
69° / 48°
SundaySu
67° / 45°
MondayMo
66° / 41°
TuesdayTu
66° / 43°
WednesdayWe
66° / 51°
Moon Phase
September 18, 2026
47% Illumination
first quarter, getting brighter
FridayFr09/18
SaturdaySa09/19
SundaySu09/20
MondayMo09/21
TuesdayTu09/22
WednesdayWe09/23
ThursdayTh09/24
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Walleye
8-31 in
Length Range
19 in
Length Range
2022
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
