Loading page content…
Loading page content…
Loading lake conditions…
In Wisconsin, Lake Poygan is a lake used for time on and around the water. It covers roughly 14,102 surface acres (about 22 square miles). Other waters in the region include Lake Butte des Morts, Lake Winnebago, and Green Lake. The page brings together an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Check the hourly forecast and activity outlook below before heading out to Lake Poygan.
Updated
No active alerts for this lake as of the last check (Oct 10, 10:59 PM CDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (79/100) across 4 activities. Best right now: Sailing (90/100).
How the score is calculated →Best excellent fishing window, averaging 94/100 across these hours. Wind 7 mph from the south-southwest. Dawn hours (06:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 69° | 67° | 66° | 64° | 63° | 62° | 59° | 59° | 58° | 57° | 59° | 62° | 66° | 70° | 74° | 76° | 77° | 78° | 79° | 77° | 73° | 70° | 68° | 66° |
| Wind (kts) | 13 | 13 | 12 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 9 | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 7 |
| Direction | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SW | SW | SW | S | S | S | S | S |
| Gusts (kts) | 21 | 20 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 16 | 15 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 13 | 13 | 13 | 13 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sat, 10 PM CDT | 69°F | 15 mph S (180°) | 24 mph | 0% | 5% | Clear |
| Sat, 11 PM CDT | 67°F | 15 mph S (180°) | 23 mph | 0% | 4% | Clear |
| Sun, 12 AM CDT | 66°F | 14 mph S (180°) | 22 mph | 0% | 1% | Clear |
| Sun, 1 AM CDT | 64°F | 12 mph S (180°) | 21 mph | 0% | 1% | Clear |
| Sun, 2 AM CDT | 63°F | 12 mph S (180°) | 20 mph | 0% | 2% | Clear |
| Sun, 3 AM CDT | 62°F | 10 mph S (180°) | 20 mph | 0% | 1% | Clear |
| Sun, 4 AM CDT | 59°F | 10 mph S (180°) | 18 mph | 0% | 2% | Clear |
| Sun, 5 AM CDT | 59°F | 10 mph S (180°) | 17 mph | 0% | 3% | Clear |
| Sun, 6 AM CDT | 58°F | 9 mph S (180°) | 17 mph | 0% | 2% | Sunny |
| Sun, 7 AM CDT | 57°F | 9 mph S (180°) | 16 mph | 0% | 1% | Sunny |
| Sun, 8 AM CDT | 59°F | 10 mph S (180°) | 18 mph | 0% | 0% | Sunny |
| Sun, 9 AM CDT | 62°F | 10 mph S (180°) | 17 mph | 0% | 0% | Sunny |
| Sun, 10 AM CDT | 66°F | 10 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 11 AM CDT | 70°F | 12 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 12 PM CDT | 74°F | 12 mph S (180°) | 18 mph | 0% | 2% | Sunny |
| Sun, 1 PM CDT | 76°F | 10 mph S (180°) | 18 mph | 0% | 1% | Sunny |
| Sun, 2 PM CDT | 77°F | 12 mph SSW (203°) | 18 mph | 0% | 2% | Sunny |
| Sun, 3 PM CDT | 78°F | 12 mph SSW (203°) | 18 mph | 0% | 1% | Sunny |
| Sun, 4 PM CDT | 79°F | 10 mph SSW (203°) | 18 mph | 0% | 2% | Sunny |
| Sun, 5 PM CDT | 77°F | 9 mph S (180°) | 17 mph | 0% | 5% | Sunny |
| Sun, 6 PM CDT | 73°F | 8 mph S (180°) | 15 mph | 0% | 5% | Clear |
| Sun, 7 PM CDT | 70°F | 8 mph S (180°) | 15 mph | 0% | 24% | Mostly Clear |
| Sun, 8 PM CDT | 68°F | 8 mph S (180°) | 15 mph | 0% | 13% | Mostly Clear |
| Sun, 9 PM CDT | 66°F | 8 mph S (180°) | 15 mph | 0% | 42% | Partly Cloudy |
| Sun, 10 PM CDT | 65°F | 8 mph SSW (203°) | 16 mph | 0% | 46% | Partly 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° | 79° | 62° | 81° | 60° | 68° | 50° | 63° | 47° | 63° | 46° | 59° | 38° | 54° |
| Wind | S 10 to 15 mph | SSW 12 mph | SSW 8 mph | SSW 9 mph | ENE 8 mph | N 7 to 10 mph | NNW 3 to 7 mph | NNE 6 mph | NE 5 to 8 mph | E 12 mph | S 7 to 10 mph | WNW 10 to 18 mph | NW 10 to 15 mph | NNW 10 mph |
| Gusts | 24 mph | 18 mph | 16 mph | 16 mph | 15 mph | 17 mph | 12 mph | 13 mph | 15 mph | 21 mph | 17 mph | 30 mph | 27 mph | 16 mph |
| Precip % | 0% | 0% | 0% | 13% | 48% | 48% | 7% | 11% | 17% | 45% | 46% | 24% | 8% | 7% |
| Forecast |
Good for fishing (79/100), from 5 available inputs. Supporting this: 0% chance of precipitation. Overnight hours (22:00 local). 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.
Fair for boating (74/100), from 4 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. 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 (90/100), from 4 available inputs. Supporting this: Wind 15 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%).
Fair for kayaking (74/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
Loading interactive map…
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.
Lake Poygan represents a significant aquatic resource in WI, providing vital water storage, wildlife habitat, and public recreation. Anglers target local sport species while boaters take advantage of established launch facilities around the perimeter. Observing safe boating speeds and biosecurity washdown procedures protects the fishery year-round.
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 Flathead Catfish, Yellow Perch, Northern Pike, Bluegill. 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 Lake Poygan 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 10, 10:59 PM CDT