Wakesurf Spot · Wisconsin
Lake Koshkonong
A 10,595-acre lake, reaching 7 ft deep in Jefferson County, Wisconsin — large enough for wake boating where local rules allow.
Located in Jefferson County, Wisconsin, Lake Koshkonong is a public lake that covers about 10,595 acres and reaches roughly 7 ft at its deepest. Its footprint leaves space for wake boating, conditions and local rules permitting.
No public access point is listed, so confirm how (and whether) you can legally launch. Its typical warm-weather window runs June–September, based on Open-Meteo 2019–2023 daily-high climatology.
Because this entry comes from public lake data rather than rider reports, treat it as a size-and-access reference, not a recommendation. Confirm the current Wisconsin statewide rules and any lake-specific restrictions before riding.
Source: Wisconsin DNR — Lakes. Specifications reflect published figures and can change by model year — verify before purchase.
More wakesurf spots in Wisconsin
A 392-acre lake, reaching 50 ft deep in Oconto County, Wisconsin — large enough for wake boating where local rules allow.
A 264-acre lake, reaching 30 ft deep in Vilas County, Wisconsin — large enough for wake boating where local rules allow.
A 618-acre reservoir, reaching 36 ft deep in Lincoln County, Wisconsin — large enough for wake boating where local rules allow.
A 720-acre reservoir, reaching 25 ft deep in Eau Claire County, Wisconsin — large enough for wake boating where local rules allow.
A 283-acre reservoir, reaching 20 ft deep in Rusk County, Wisconsin — large enough for wake boating where local rules allow.
Frequently Asked Questions
The typical warm-weather window at Lake Koshkonong runs June–September, based on Open-Meteo 2019–2023 daily-high climatology. Mornings are usually calmest.
Lake Koshkonong covers roughly 10,595 acres and reaches about 7 ft at its deepest, giving it room for a wake-boat setup when conditions cooperate. Public access varies — confirm a launch before you go. Wisconsin sets statewide wakesurf rules, and individual lakes often add no-wake zones, hours, or horsepower limits — check the Wisconsin rules page and the local ordinance before launching. Wisconsin: Local/lake-specific rules only. Always confirm the current local rules before launching.