Size
11ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in O'Brien Lake
Brown trout
Rainbow trout
Overview
O'Brien Lake Map
Weather
69°Feels like 69°
87°
60°
87°60°6:21 AM
9:02 PM
4 mph
West
0 in
Rain
29.97 inHg
Stable
FridayFr
87° / 60°
SaturdaySa
72° / 57°
SundaySu
73° / 50°
MondayMo
79° / 54°
TuesdayTu
85° / 60°
WednesdayWe
83° / 59°
Moon Phase
July 31, 2026
96% Illumination
waning gibbous, getting dimmer
FridayFr07/31
SaturdaySa08/01
SundaySu08/02
MondayMo08/03
TuesdayTu08/04
WednesdayWe08/05
ThursdayTh08/06
Get Your Line in the Right Water
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Top Fish Species
Brown 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
