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Twann

Lake model at the site

Better not.

Report a dive
5.8
Ø 5.6
21.10.–02.11.
Dive index / 10
Visibility indicator
Unknown
Last satellite image from 12.10.2026
3.0 m
since 21.10.
Wind
4 Bft
23 km/h, gusts 44 km/h
4 km/h
next 5 days
Algae (satellite)
Unknown
Medium
since 21.10.
Current
calm
1 cm/s towards east · 5–30 m
Temperature by depth

No thermocline, the lake is mixed

0 m10 m20 m30 m40 m6°10°14°18°22° 12.9° 12.9° 12.9°
  • 0 m: 12.9 °C
  • 10 m: 12.9 °C
  • 20 m: 12.9 °C
The next 5 days
  1. Today
    5.8
    windy
  2. Tue
    5.8
    windy
  3. Wed
    6.5
    visib. unknown
  4. Thu
    6.5
    visib. unknown
  5. Fri
    6.5
    visib. unknown

Weather trend

Weather in 2-hour steps for the next days Today: 4 to 7 °C, 0.0 mm rain, wind up to 26 km/h. Tue 03.11.: 5 to 7 °C, 0.0 mm rain, wind up to 25 km/h. Wed 04.11.: 4 to 8 °C, 0.0 mm rain, wind up to 16 km/h. Thu 05.11.: 2 to 9 °C, 0.0 mm rain, wind up to 9 km/h. Fri 06.11.: 5 to 10 °C, 1.4 mm rain, wind up to 9 km/h. 0° 5° 10° 15°4 0 60 Today Tue 03.11. Wed 04.11. Thu 05.11. Fri 06.11.061218061218061218061218061218Clear Overcast Partly cloudy Overcast Partly cloudy Overcast Partly cloudy Partly cloudy Clear Partly cloudy Overcast Partly cloudy Clear Overcast Partly cloudy Overcast Drizzle 20181922212421171514151477587333
  • Temperature °C
  • Rain mm/h
  • Sunshine min/h
  • Wind km/h, arrow shows wind direction

Data: Eawag Alplakes, MeteoSwiss and DWD via Open-Meteo, FOEN. The forecast is an indicator, not a guarantee of visibility. Calculated on 02.11.2026 12:35

Location

The site

Practical

Getting there

47.0931° N, 7.1572° E

Emergency

After a diving accident, call Rega 1414 and say «diving accident». Rega connects you to the diving physician of DAN Suisse, around the clock and free of charge. Diving accident factsheet by DAN Suisse and Rega (PDF, German)

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