Weekly swim report · October 20, 2026
Wisconsin swim report
On October 20, 2026 the warmest USGS water reading in Wisconsin was 60°F at WILSON PARK CREEK @ GMIA OUTFALL 7 @ MILWAUKEE,WI; no water-related NWS hazards are active.
Warmest water
The 5 warmest of 37 sensors reporting a water temperature in Wisconsin today. Station names open the official monitoring page.
- #1WILSON PARK CREEK @ GMIA OUTFALL 7 @ MILWAUKEE,WIUSGS gauge · 1 ft³/s60°F 15°C20 hrs ago
- #2SPRING HARBOR STORM SEWER AT MADISON, WIUSGS gauge · 0 ft³/s59°F 15°C20 hrs ago
- #3LAKE MONONA AT MADISON, WIUSGS gauge57°F 14°C20 hrs ago
- #4FOX RIVER AT OIL TANK DEPOT AT GREEN BAY, WIUSGS gauge · 880 ft³/s57°F 14°C20 hrs ago
- #5FOX RIVER AT APPLETON, WIUSGS gauge · 3,430 ft³/s56°F 13°C20 hrs ago
Active hazards in Wisconsin
No water-related NWS hazards are active in Wisconsin right now. Checked live against the National Weather Service alert feed.
Where to swim in Wisconsin
The most-reviewed, well-rated water destinations in Wisconsin — check each one’s live conditions before you go.
4.7(2,640)Lake Park
Venerable lakefront park with a golf course, ball fields, nature paths, events & an 1855 lighthouse.
4.8(2,431)Dells of the Wisconsin River State Natural Area
Long gorge, formed during last ice age, where boaters can observe rock formations & cliffs by boat.
4.7(2,289)Sister Bay Beach
Bayfront area with a grassy lawn & pebbly sand, plus a pier, picnic tables & a playground.
4.6(2,181)Lake Michigan
One of the 5 Great Lakes, touching 4 U.S. states & home to Chicago, Milwaukee & Green Bay.
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Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.

