Fishing Report
Brock Lake Fishing Report
Rochester, WI
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Modeled from live National Weather Service data as of Aug 31, 2026 at 3:20 AM CDT, plus solunar and sun/moon times computed in-house. This is a computed report, not an eyewitness catch report.
42.714072, -88.255452
Est. water temp
82.3°F
v1 estimate from air temperature — not a sensor reading
Notes from anglers
Imported from GNIS. Nearest town: Rochester (Racine County, WI).
Today’s bite
Northern Pike fishing report
Best window today: 2 PM (Fair · 56/100)
See the full forecast →Species on record
- Black Crappie — listed for this lake by category, not by name · Common
- Bluegill — listed for this lake by category, not by name · Common
- Pumpkinseed — listed for this lake by category, not by name · Common
- Rock Bass — listed for this lake by category, not by name · Common
- Yellow Perch — listed for this lake by category, not by name · Common
Species tagged “Group” were listed by the state under a category (e.g. “Panfish”) for this lake, not an individual-species survey.
Species detail
How to catch them at Brock Lake
Black Crappie feed most actively at Dawn and Dusk, when activity runs about 16% above the daily average across all four light windows.
Typical Summer depth: 10-20 ft
Black Crappie fishing report →Bluegill feed most actively at Dawn and Dusk, when activity runs about 33% above the daily average across all four light windows.
Typical Summer depth: 10-20 ft
Bluegill fishing report →Northern Pike feed most actively at Dawn and Dusk, when activity runs about 27% above the daily average across all four light windows.
Typical Summer depth: 6-20 ft
Northern Pike fishing report →Pumpkinseed feed most actively at Daytime, when activity runs about 33% above the daily average across all four light windows.
Typical Summer depth: 3-10 ft
Pumpkinseed fishing report →Rock Bass feed most actively at Dusk, when activity runs about 22% above the daily average across all four light windows.
Typical Summer depth: 5-15 ft
Rock Bass fishing report →Yellow Perch feed most actively at Dawn and Dusk, when activity runs about 30% above the daily average across all four light windows.
Typical Summer depth: 10-25 ft
Yellow Perch fishing report →
Location
Brock Lake · 42.7141, -88.2555
Map data © OpenFreeMap, OpenMapTiles, OpenStreetMap contributors
Nearby
Other lakes nearby
Read next
Guides & reports for these species
FAQ
Common questions
What fish are in Brock Lake?
State surveys have confirmed Northern Pike in Brock Lake.
When's the best time to fish Brock Lake?
Black Crappie feed most actively at Dawn and Dusk, when activity runs about 16% above the daily average across all four light windows. Check today's bite forecast for Brock Lake to see the best window for current conditions.
Where is Brock Lake?
Brock Lake is near Rochester, WI, at 42.7141, -88.2555.
Plan your trip to Brock Lake
Get the hour-by-hour bite forecast and the best times to fish Brock Lake, scored against live National Weather Service weather for this exact spot — showing what every input contributed and how well the evidence supports it.