Photos of Mantsalan Kunnan Ranta Keravanjarvi
Today at Mantsalan Kunnan Ranta Keravanjarvi
3–10°C
Very ColdSerious cold. Cold shock risk is high. Experienced swimmers with proper kit only.
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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Check out this spot in Mäntsälä. Popular location for swimming and paddling, kayaking, canoeing, supping and wind surfing. Mäntsälä, Helsinki, and Uusimaa are located in southern Finland. The area is characterized by a mix of urban and rural landscapes. Helsinki is the largest city in Finland, located on the southern coast overlooking the Baltic Sea. It is known for its modern architecture, waterfront cafes, and bustling nightlife. The city is surrounded by numerous islands, parks, and forests, providing ample opportunities for outdoor activities. Mäntsälä is a small town located about 50 km northeast of Helsinki. The town is surrounded by lush forests and rolling green hills, with numerous lakes and streams dotting the landscape. The area is known for its natural beauty and tranquil atmosphere, making it a popular destination for nature lovers and outdoor enthusiasts. Uusimaa is the largest and most populous region in Finland, encompassing Helsinki and its surrounding areas. The region is characterized by a unique blend of urban and rural landscapes, with modern cities like Espoo and Vantaa sharing space with quaint, countryside villages. The area is known for its stunning natural scenery, with dense forests, sparkling lakes, and rugged coastlines lining the shores of the Baltic Sea. Whether you're looking for cosmopolitan culture or rural tranquility, Uusimaa has something for everyone.
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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.
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.
