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Big Eau Pleine Reservoir is a reservoir located in Wisconsin. At around 6,677 acres (about 10 square miles), it is a mid-sized waterbody. Fish documented in the area include European Carp, Walleye, Black Crappie, and Yellow Perch. Nearby alternatives include Petenwell Lake. For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, fishing conditions, and activity scores for boating, paddling, and swimming. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Big Eau Pleine Reservoir.
Updated
Latest source update is older than expected. Use caution and check the official source.
The last automated check (Oct 10, 11:53 PM CDT) found no active alerts for this lake, but that check is older than LakeRadar's alert freshness window, so the current alert status could not be confirmed.
Confirm before heading out: official alerts for this area or weather.gov/alerts. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
Overall Good (81/100) across 4 activities. Best right now: Sailing (91/100).
How the score is calculated →Best excellent fishing window, averaging 93/100 across these hours. Wind 5 mph from the south. Dawn hours (06:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 64° | 62° | 61° | 61° | 59° | 59° | 58° | 57° | 59° | 63° | 67° | 72° | 75° | 78° | 80° | 81° | 81° | 80° | 75° | 70° | 66° | 65° | 64° | 63° |
| Wind (kts) | 10 | 10 | 9 | 10 | 10 | 10 | 9 | 9 | 10 | 9 | 10 | 10 | 11 | 10 | 11 | 11 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 6 |
| Direction | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | SW | SW | SW | S | S | S | S | S | SW |
| Gusts (kts) | 19 | 18 | 18 | 18 | 18 | 17 | 16 | 16 | 17 | 16 | 17 | 17 | 17 | 17 | 18 | 18 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 13 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 1% | 1% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 12 AM CDT | 64°F | 12 mph S (180°) | 22 mph | 0% | 2% | Clear |
| Sun, 1 AM CDT | 62°F | 12 mph S (180°) | 21 mph | 0% | 2% | Clear |
| Sun, 2 AM CDT | 61°F | 10 mph S (180°) | 21 mph | 0% | 2% | Clear |
| Sun, 3 AM CDT | 61°F | 12 mph S (180°) | 21 mph | 0% | 3% | Clear |
| Sun, 4 AM CDT | 59°F | 12 mph S (180°) | 21 mph | 0% | 4% | Clear |
| Sun, 5 AM CDT | 59°F | 12 mph S (180°) | 20 mph | 0% | 3% | Clear |
| Sun, 6 AM CDT | 58°F | 10 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 7 AM CDT | 57°F | 10 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 8 AM CDT | 59°F | 12 mph S (180°) | 20 mph | 0% | 0% | Sunny |
| Sun, 9 AM CDT | 63°F | 10 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 10 AM CDT | 67°F | 12 mph S (180°) | 20 mph | 0% | 0% | Sunny |
| Sun, 11 AM CDT | 72°F | 12 mph S (180°) | 20 mph | 0% | 1% | Sunny |
| Sun, 12 PM CDT | 75°F | 13 mph SSW (203°) | 20 mph | 1% | 1% | Sunny |
| Sun, 1 PM CDT | 78°F | 12 mph SSW (203°) | 20 mph | 1% | 2% | Sunny |
| Sun, 2 PM CDT | 80°F | 13 mph SSW (203°) | 21 mph | 1% | 3% | Sunny |
| Sun, 3 PM CDT | 81°F | 13 mph SSW (203°) | 21 mph | 1% | 3% | Sunny |
| Sun, 4 PM CDT | 81°F | 12 mph SSW (203°) | 20 mph | 1% | 8% | Sunny |
| Sun, 5 PM CDT | 80°F | 12 mph SSW (203°) | 18 mph | 1% | 18% | Sunny |
| Sun, 6 PM CDT | 75°F | 10 mph S (180°) | 17 mph | 1% | 18% | Mostly Clear |
| Sun, 7 PM CDT | 70°F | 9 mph S (180°) | 17 mph | 0% | 27% | Partly Cloudy |
| Sun, 8 PM CDT | 66°F | 8 mph S (180°) | 16 mph | 0% | 57% | Mostly Cloudy |
| Sun, 9 PM CDT | 65°F | 8 mph S (180°) | 16 mph | 0% | 65% | Mostly Cloudy |
| Sun, 10 PM CDT | 64°F | 8 mph S (180°) | 16 mph | 0% | 61% | Mostly Cloudy |
| Sun, 11 PM CDT | 63°F | 7 mph SSW (203°) | 15 mph | 0% | 71% | Mostly Cloudy |
| Mon, 12 AM CDT | 63°F | 6 mph SSW (203°) | 13 mph | 0% | 71% | Mostly Cloudy |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | Tonight October 10, 2026 | Sunday October 11, 2026 | Sunday Night October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 57° | 81° | 61° | 81° | 56° | 66° | 45° | 63° | 43° | 62° | 42° | 58° | 33° | 54° |
| Wind | S 13 mph | S 13 mph | S 5 to 10 mph | SSW 5 to 8 mph | ENE 5 to 8 mph | NNW 9 mph | NNW 5 to 8 mph | NNE 7 mph | ENE 8 mph | ESE 9 to 14 mph | SSW 7 to 12 mph | WNW 13 to 21 mph | NW 9 to 20 mph | NNW 10 mph |
| Gusts | 23 mph | 21 mph | 17 mph | 14 mph | 14 mph | 16 mph | 13 mph | 12 mph | 15 mph | 22 mph | 18 mph | 32 mph | 28 mph | 15 mph |
| Precip % | 0% | 1% | 1% | 11% | 61% | 61% | 6% | 10% | 19% | 48% | 48% | 35% | 10% | 6% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Big Eau Pleine Reservoir. Not available from a verified source for this lake.
Good for fishing (80/100), from 5 available inputs. Supporting this: Wind 12 mph from the south. 0% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Good for boating (79/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the south. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Excellent for sailing (91/100), from 4 available inputs. Supporting this: Wind 12 mph from the S is in the preferred sailing range. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (79/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the south. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of WI Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Celebrated for its accessible waters and scenic surroundings, Big Eau Pleine Reservoir is a standout freshwater reservoir in WI for weekend recreation. Boaters, anglers, and paddlers share its waters while enjoying well-maintained public amenities around the perimeter. Always check local launch ramp conditions and weather windows before arrival.
Valid freshwater sport fishing license issued by Wisconsin Department of Natural Resources (WDNR) is required for anglers age 16+. Digital license on mobile is accepted.
Current motorized watercraft registration mandatory. Practice Clean, Drain & Dry protocols: drain all livewells and inspect props before launching. Life jackets required for all passengers.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include European Carp, Walleye, Black Crappie, Yellow Perch. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Northern cold winter conditions with freezing air temperatures and potential surface ice formation. Ramps and water systems may be winterized. Confirm open status before visiting.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Big Eau Pleine Reservoir is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 12:43 AM CDT