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Map of Lac Léman-Le Boesch
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Lac Léman-Le Boesch

SwitzerlandDirections

Lac Léman-Le Boesch at a glance

Lac Léman-Le Boesch is a dive site in Switzerland. Typically most favorable Jul · from 3 years of archive data. Check the latest conditions and entry details before you go.

No window today· next: tomorrow 8:00–19:00 · favorable

Wind forecast for this hour · 20:00 · run 12 h ago
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Tap a factor for its source and model point

Dive windows this week

SunNo window

3 kn wind (3 kn wind)

Mon8:00–19:00 favorable

8 kn wind (8 kn wind)

Tue8:00–19:00 favorable

2 kn wind (2 kn wind)

Wed8:00–19:00 favorable

5 kn wind (5 kn wind)

Thu8:00–19:00 favorable

1 kn wind (1 kn wind)

Fri8:00–19:00 favorable

3 kn wind (3 kn wind)

Sat8:00–9:00 favorable, 9:00–11:00 moderate

14 kn wind (14 kn wind)

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wind forecasts. Numbers under each bar are daylight averages.

First light 7:17 · Sunrise 7:47 · Sunset 18:56 · some windows run past sunset

Source: Open-Meteo wind · updated 11 Oct, 07:27 CEST

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Lac Léman-Le Boesch

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 80% of days have historically been favorable, wind has typically been 9 knots
  2. February, 94% of days have historically been favorable, wind has typically been 7 knots
  3. March, 86% of days have historically been favorable, wind has typically been 8 knots
  4. April, 91% of days have historically been favorable, wind has typically been 8 knots
  5. May, 95% of days have historically been favorable, wind has typically been 7 knots
  6. June, 96% of days have historically been favorable, wind has typically been 7 knots
  7. July, 98% of days have historically been favorable, wind has typically been 8 knots, historically most favorable
  8. August, 97% of days have historically been favorable, wind has typically been 7 knots
  9. September, 91% of days have historically been favorable, wind has typically been 7 knots
  10. October, 82% of days have historically been favorable, wind has typically been 8 knots
  11. November, 76% of days have historically been favorable, wind has typically been 8 knots
  12. December, 86% of days have historically been favorable, wind has typically been 7 knots

July has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

Fills & rentals nearby

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

Lac Léman-Le Boesch is a dive site located in Switzerland.

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

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