Size
486ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in Petrolia Lake
Walleye
Perch
Northern pike
Bluegill
Rainbow trout
Brown trout
Tiger muskellunge
Overview
Petrolia Lake Map
Weather
51°Feels like 51°
76°
51°
76°51°5:56 AM
8:41 PM
4 mph
West
0 in
Rain
30.12 inHg
Falling
TuesdayTu
76° / 51°
WednesdayWe
86° / 54°
ThursdayTh
92° / 56°
FridayFr
96° / 61°
SaturdaySa
93° / 60°
SundaySu
91° / 60°
Moon Phase
August 04, 2026
67% Illumination
waning gibbous, getting dimmer
TuesdayTu08/04
WednesdayWe08/05
ThursdayTh08/06
FridayFr08/07
SaturdaySa08/08
SundaySu08/09
MondayMo08/10
Get Your Line in the Right Water
Quickly find the best places to fish and plan your day right.
Top Fish Species
Walleye
9-24 in
Length Range
17 in
Length Range
2025
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
