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Lake

Biggesee/but surf club

Photos of Biggesee/but surf club

Today at Biggesee/but surf club

10–14°C

Cool

Cooler than it looks. Cold shock is possible on entry. Take your time getting in.

Modelled from recent air temperature — the band's width is ours, not a published error figure · the label is our plain summary of the numbers, not advice

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About

Check out this spot in Olpe. Great spot for kayaking, canoeing, sailing, surfing, supping, wind surfing, body surfing and body boarding. Olpe is a small town located in the Sauerland region of North Rhine-Westphalia. The town is surrounded by hills covered in lush forests and is situated near the Bigge Reservoir, which offers water sports and boating activities. The area is known for its scenic hiking trails, particularly along the Rothaarsteig and the Sauerland Höhenflug trails. Arnsberg is a larger city located about 30 minutes away from Olpe. It is situated along the picturesque Ruhr River and is surrounded by rolling hills and woodlands. Both Olpe and Arnsberg offer numerous opportunities for outdoor activities and exploration of the surrounding natural beauty.

Location

What swimmers say

Water sports

Surfing Kayaking Sailing SUP Bodyboarding Body surfing Canoeing Windsurfing

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Every swimmer at your spot asks the same question: how’s the water today? A free poster or a live screen answers it — and brings your swimmers into a community that reports back.

  • Completely free No fee for venues, no fee for swimmers. Print the poster, open the screen, and it runs itself.
  • Wild Pro is optional Swimmers who want days two to seven of the forecast can subscribe — £3.99/mo or £29.99/yr. Today’s conditions and all official water quality are free for everyone, with no account.
  • Safety first Water temperature, wind, waves, tides and the official bathing-water rating, shown plainly so people can decide for themselves.
  • Live conditions Forecasts from Open-Meteo, tides from WorldTides, sea temperature from Copernicus Marine, and water quality from the agencies that test it.
  • Built on community Swimmers post what they found. A poster or a screen at your spot turns every swim into a report the next swimmer can use.
Know another spot near here? The map opens where you are now — move the pin and add it.

Frequently asked questions

Is this lake safe for swimming?

Check the Conditions tab for surface state and wind conditions. Review the Quality tab if this is a designated bathing water. Always read recent community reports for local advice.

How cold is the water?

Check the Temperature tab for the current estimate and 7-day trend. Lakes hold heat longer than rivers but can develop a thermocline. The water below the surface can be dramatically colder.

What should I bring?

A tow float for visibility (especially important where boats operate), warm layers for after, and consider a wetsuit in colder months. Check for designated swimming areas.

What should I know before swimming here?

Cold water shock is real. Enter slowly and control your breathing. Lake water can be much colder below the surface (thermocline). Stay close to shore until you know the conditions. Watch for boat traffic and stay visible with a tow float. Check for blue-green algae warnings before swimming. Conditions change fast. Always check the latest data, read recent community reports, and swim within your ability.

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