Size
545ac
Boat Launch
Carry-in Launch
Toilet
Yes
Boat Dock
Species in Union Lake
Walleye
Channel catfish
Overview
Union Lake Map
Weather
72°Feels like 72°
76°
63°
76°63°6:34 AM
8:59 PM
2 mph
East
0 in
Rain
29.85 inHg
Stable
SaturdaySa
76° / 63°
SundaySu
77° / 59°
MondayMo
79° / 58°
TuesdayTu
80° / 60°
WednesdayWe
81° / 62°
ThursdayTh
79° / 64°
Moon Phase
August 01, 2026
92% Illumination
waning gibbous, getting dimmer
SaturdaySa08/01
SundaySu08/02
MondayMo08/03
TuesdayTu08/04
WednesdayWe08/05
ThursdayTh08/06
FridayFr08/07
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Walleye
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
