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.

Installations
COORDINATES
52.43952 N, 4.75294 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
2 - 3m
Manœuvrabilité
Fair
Channel Marking
Fair
Overseas Visitor Berths
Yes
Type de quai
Fixed
Style Stern To
Yes
Tidal Flow
Nil
Active Winter
Yes
Weather Forecast
Sun
5AM - 9AM
12 July 2026
- NE 7 knots increasing to 10 knots. Gusts up to 19 knots.
- Increasing from 16 to 19°C
- UV Index: 1 - Low
- Mostly fine
Sun
9AM - 1PM
12 July 2026
- NE 10–13 knots. Gusts up to 17 knots.
- Increasing from 20 to 25°C
- UV Index: 6 - High
- Cloudy
Sun
1PM - 5PM
12 July 2026
- NE 12–16 knots. Gusts up to 21 knots.
- 24 to 27°C
- UV Index: 6 - High
- Partly cloudy