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Grottoni

Lake model at the site

A decent day.

Report a dive
6.5
Ø 7.2
21.10.–02.11.
Dive index / 10
Visibility indicator
Good
Satellite (Sentinel-2) of 27.10.2026: approx. 6.3 m near the shore
6.3 m
since 21.10.
Wind
3 Bft
13 km/h, gusts 25 km/h
10 km/h
next 5 days
Algae (satellite)
Low
Low
since 21.10.
Current
calm
< 1 cm/s towards north · 5–30 m
Temperature by depth

No thermocline, the lake is mixed

0 m10 m20 m30 m40 m6°10°14°18°22° 13.3° 13.1°
  • 0 m: 13.3 °C
  • 10 m: 13.1 °C
The next 5 days
  1. Today
    6.5
    old satellite
  2. Tue
    6.5
    old satellite
  3. Wed
    6.5
    old satellite
  4. Thu
    6.5
    old satellite
  5. Fri
    6.5
    old satellite

Weather trend

Weather in 2-hour steps for the next days Today: 5 to 8 °C, 0.0 mm rain, wind up to 13 km/h. Tue 03.11.: 7 to 9 °C, 0.0 mm rain, wind up to 12 km/h. Wed 04.11.: 6 to 9 °C, 0.0 mm rain, wind up to 14 km/h. Thu 05.11.: 6 to 9 °C, 0.0 mm rain, wind up to 10 km/h. Fri 06.11.: 6 to 9 °C, 0.5 mm rain, wind up to 10 km/h. 5° 10° 15°4 0 60 Today Tue 03.11. Wed 04.11. Thu 05.11. Fri 06.11.061218061218061218061218061218Clear Partly cloudy Overcast Partly cloudy Partly cloudy Overcast Partly cloudy Overcast Partly cloudy Partly cloudy Clear Partly cloudy Clear Clear Partly cloudy Overcast Drizzle 98105671047712767636973
  • 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 12:23

Location

The site

Practical

Getting there

46.9512° N, 8.5874° 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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