About Port des Mouches, Hermance, Genève
Entrance width: Geneva side 30 m. Thonon side 20 m. Depth: 3 m. at the dike 0.5 m against the edges. Total capacity of the port 159 places + 20 at the old port.


Facilities
COORDINATES
46.29943 N, 6.24237 E
Port Information
Telephone
Berth Sizes
< 10m
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
Yes
Overseas Visitor Berths
Yes
Dock Type
Floating
Style Stern To
Yes
Tidal Flow
Negligible
Weather Forecast
Thu
5AM - 9AM
19 March 2026
- Light and variable.
- Increasing from 3 to 6°C
- Sunny
Thu
9AM - 1PM
19 March 2026
- E 3 knots increasing to 5 knots.
- Increasing from 6 to 10°C
- Sunny
Thu
1PM - 5PM
19 March 2026
- NE 7 knots increasing to 13 knots. Gusts up to 19 knots.
- 10 to 14°C
- Mostly fine