Photos of Puujarvi
Today at Puujarvi
4–10°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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Explore this spot near Karjalohja. Great location for swimming and paddling, boating, kayaking, canoeing and walking. Karjalohja is a small town located in Uusimaa, approximately 70 kilometers west of Helsinki. Its surroundings are mostly rural, with forests, lakes and fields dominating the landscape. The area is known for its beautiful natural scenery, with numerous hiking trails and recreation areas available for visitors to explore. In Karjalohja itself, there are several notable landmarks and attractions, including the popular summer theater venue of Lohjan Kesäteatteri, and the Karjalohja Church, which dates back to the late 17th century. The town is also home to many quaint cafes and restaurants, serving local Finnish cuisine. Overall, Karjalohja and the wider Helsinki-Uusimaa region offer visitors a chance to experience the beauty of Finland's natural landscapes, while also exploring its rich cultural heritage.
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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.
