About Gemeentelijke Jachthaven Middelharnis
The municipality is responsible for the management and maintenance of the marina The marina is open in both summer and winter and has 100 temporary moorings and 12 motorhome pitches. Each place (lying down) has a feeding point and there is a large supply of drinking water. There is a sewage station and toilet block (heated) with all kinds of facilities on site. You can also use WiFi and bike rental is one of the options to further explore the island. Middelharnis has a direct connection to Haringvliet and has an inland port for recreational sailing and an outer harbor for commercial shipping. The inner port can be accessed through a lock. At a water level of 0.70 meters + NAP, the locks are operated full time (during port opening hours).


Installations
COORDINATES
51.76066 N, 4.16770 E
Port Information
Téléphone
Berth Sizes
< 10m, 10-20m
Profondeur à la marée basse moyenne
< 2m
Manœuvrabilité
Tight
Channel Marking
Fair
Port d'entrée
No
Overseas Visitor Berths
Yes
Type de quai
Fixed
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Weather Forecast
Wed
5AM - 9AM
11 February 2026
- S 3–12 knots veering W 3-12 knots. Gusts up to 19 knots.
- 7°C
- UV Index: 0 - Low
- Cloudy
Wed
9AM - 1PM
11 February 2026
- SW 7–11 knots. Gusts up to 18 knots.
- 8°C
- UV Index: 0 - Low
- Cloudy
Wed
1PM - 5PM
11 February 2026
- W 10 knots increasing to 14 knots. Gusts up to 25 knots.
- 8°C
- UV Index: 0 - Low
- Chance of showers