About Jachthaven de Vlonder
Marina "De Vlonder" is a small and cozy marina, quietly located in side channel D of the North Sea Canal, next to the lock of the hamlet of Nauerna Assendelft. It is a base for the beautiful sailing area in North Holland, Alkmaardermeer, via the North Sea Canal to Haarlem, Ijmuiden, the North Sea, and to Amsterdam. There is a beautiful terrace with a nice view over side channel D.

Facilities
COORDINATES
52.43952 N, 4.75294 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
2 - 3m
Manoeuvrability
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Dock Type
Fixed
Style Stern To
Yes
Tidal Flow
Nil
Active Winter
Yes
Weather Forecast
Fri
1PM - 5PM
26 June 2026
- SW 6 knots increasing to NW 11 knots.
- 30 to 34°C
- Rain
Fri
5PM - 9PM
26 June 2026
- NW 9 knots decreasing to W 4 knots.
- Decreasing from 32 to 25°C
- UV Index: 0 - Low
- Partly cloudy
Fri
9PM - 5AM
26 June 2026
- W 3–6 knots.
- 18 to 26°C
- UV Index: 0 - Low
- Partly cloudy