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
Sun
5AM - 9AM
15 March 2026
- Light and variable.
- Increasing from −3 to 5°C
- UV Index: 0 - Low
- Sunny
Sun
9AM - 1PM
15 March 2026
- SW 5 knots increasing to 11 knots. Gusts up to 16 knots.
- Increasing from 6 to 10°C
- UV Index: 2 - Low
- Sunny
Sun
1PM - 5PM
15 March 2026
- SW 11–14 knots. Gusts up to 23 knots.
- 9°C
- UV Index: 2 - Low
- Sunny