Lake · Germany
Seddinsee
Lake in Berlin, Germany
- Area
- 6.0km²
- Average depth
- 5.2m
- Elevation
- 32m a.s.l.
- Shoreline
- 40km
- Volume
- 0.031km³
Seddinsee is a lake in Germany. It covers 6.0 km². On average it is 5.2 m deep. Its surface lies 32 m above sea level.
Plan your visit
Stay, sail and get there
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The water
How warm is Seddinsee?
The water is warmest in July, around 24 °C at the surface, and coldest in January, around 0 °C. The surface averages 20 °C or more from June to August: comfortable for most swimmers.
The lake usually freezes over for about 32 days a year, from around 2 January to 2 February.
On the shore, afternoons reach 26 °C on average in July and 2 °C in January. The driest month is April (29 mm of rain), the wettest July (81 mm).
Average surface temperature measured by the Landsat 8 satellite between 2013 and 2021 at the point furthest from the shore (113 readings). Shallow bays and beaches are often warmer.
From above
The whole lake from space
Month by month
The year at the lake, month by month
Not a forecast: these are averages over many years. Water is the 2013–2021 average; air, rain, sun and wind are the 1991–2020 average.
Water: 2013–2021 averageClimate: 1991–2020 average
| Month | Water°C | Water high°C | Air high°C | Air low°C | Rainmm | Rainy daysdays | Sunh/day | Windkm/h |
|---|---|---|---|---|---|---|---|---|
| January | Ice | — | 2 | -4 | 53 | 12 | 0.8 | 19 |
| February | 1 | 3 | 4 | -3 | 38 | 9 | 2.2 | 18 |
| March | 6 | 9 | 8 | -1 | 41 | 10 | 3.6 | 18 |
| April | 12 | 15 | 14 | 4 | 29 | 8 | 6.0 | 16 |
| May | 18 | 20 | 20 | 9 | 53 | 11 | 6.6 | 15 |
| June | 23 | 24 | 24 | 13 | 57 | 12 | 7.0 | 15 |
| July | 24 | 24 | 26 | 15 | 81 | 13 | 6.4 | 15 |
| August | 23 | 24 | 26 | 14 | 58 | 11 | 6.0 | 14 |
| September | 19 | 21 | 21 | 10 | 48 | 9 | 5.0 | 15 |
| October | 13 | 16 | 14 | 5 | 48 | 10 | 2.9 | 16 |
| November | 7 | 10 | 7 | 2 | 50 | 10 | 1.0 | 17 |
| December | 2 | 4 | 3 | -2 | 47 | 12 | 0.4 | 18 |
Water: LakeTEMP (Landsat 8, 2013–2021). Air, rain, sun and wind: NASA POWER, 1991–2020 averages. A rainy day has at least 1 mm of rain. Sunshine hours are derived from measured solar radiation.
Size & depth
How big, how deep
- On average, water stays in the lake for about 2 months before flowing out.
- Its catchment drains 1,373 km² of land.
- About 5.2 m³ of water flow out every second, on average.
- Its shoreline is 4.6 times longer than a circle of the same area: plenty of bays and inlets.
Around the shore
What's around Seddinsee
Counted within 1.5 km of the shoreline in OpenStreetMap, the map anyone can edit.
- 16beaches and swimming spots
Flussbad Gartenstraße, Badewiese Schmöckwitz, Badestelle Große Krampe, Badestelle Bammelecke and 12 more
- 6campsites
Marina Wendenschloß, Historisches Fährhaus, Neohostel City Camping, Campingplatz Berlin, Kuhle Wampe and 1 more
- 26boat hire and water-sport clubs
aqua.berlin, Bootsverleih Gosen, Märkischer Kanuverein 53 e.V., Eisenbahn-Sportverein Schmöckwitz, SolarWaterWorld and 21 more
- 51marinas and slipways
Wasserzugangsstelle Schmöckwitz, Privatanleger Waldhotel am See Berlin-Schmöckwitz, Besmer Bootswerft, Eisenbahn-Sportverein Schmöckwitz, Bootshaus Krampenblick and 46 more
- 6ferry piers
Müggelbergallee, Zum Seeblick, Wassersportallee, Krampenburg, Köpenick / Luisenhain and 1 more
- 19viewpoints
Marienlust, Aussichtspunkt Bunkerberg, Aussichtspunkt Gosener Berge, Gosener Mühlenberg, Müggelturm and 14 more
- 26hotels, B&Bs and chalets
Hotel Waldzeit, Seminar- und Gästehaus Flussbad Gartenstraße, Pension Adlernest, Am Seddinsee, Ambassador-Berlin-Grünau and 21 more
- —fishing spots
- 85restaurants and cafés
Towns on the shore
- Köpenick67,148 people
- Berlin Köpenick59,561 people
- Adlershof20,210 people
- Bohnsdorf11,859 people
- Grünau7,217 people
- Müggelheim6,463 people
- Eichwalde5,849 people
- Schmöckwitz4,442 people
Nearest airport with scheduled flights: Berlin Brandenburg Airport (BER), 13 km in a straight line.
Car hire at BER airport (Berlin)Discover Cars · Affiliate linkOpenStreetMap is built by volunteers: when a number is low, it may just mean nobody has mapped it yet.
Recent years
How each month compared
Afternoon high on the shore. The first row is the reference, the 1991–2020 average in °C; the years below show the difference from it: warmer in orange, cooler in blue.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1991–2020 average | 1.7 | 3.6 | 7.9 | 14.5 | 19.7 | 24.0 | 26.1 | 25.6 | 20.7 | 13.9 | 7.3 | 2.9 |
| 2020 | +3.6 | +4.1 | +1.1 | +1.4 | −1.7 | +1.1 | −0.9 | +2.2 | +1.2 | +0.4 | +1.1 | +0.9 |
| 2021 | −0.8 | −1.0 | +0.7 | −3.6 | −3.3 | +3.2 | +0.2 | −2.6 | +0.4 | +0.7 | +0.4 | −0.5 |
| 2022 | +2.6 | +3.8 | +1.6 | −1.6 | +1.4 | +3.0 | +1.0 | +3.1 | −1.1 | +3.8 | +1.1 | −0.2 |
| 2023 | +3.8 | +1.9 | +0.9 | −2.3 | −0.2 | +1.6 | +0.2 | −0.3 | +4.8 | +1.7 | +0.6 | +1.5 |
| 2024 | +1.1 | +5.2 | +3.8 | +0.7 | +1.7 | −0.2 | +0.6 | +2.5 | +2.9 | +2.1 | +0.1 | +1.8 |
| 2025 | +1.7 | +0.4 | +3.3 | +2.5 | −0.3 | +2.0 | −1.0 | −0.2 | +1.1 | +0.2 | ±0.0 | +1.5 |
+1 warmer than usual −1 cooler than usual
About these numbers
| Outline, area, depth, volume | HydroLAKES v1.0 (Messager et al. 2016) · CC BY 4.0 |
|---|---|
| Water temperature and ice | LakeTEMP v1 (Korver et al. 2024), Landsat 8 2013–2021 · CC BY 4.0 |
| Air, rain, sun, wind | NASA POWER, 1991–2020 · public domain |
| Names and description | Wikidata (Q2264279) · CC0 |
| Around the shore | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average or a count from a public dataset. Licences and methods: data sources.
