How does crossing a movable bridge work?
The Netherlands has more than 1500 movable bridges. What rules do you have to observe when passing, when do you have to wait, what do the lights mean and how do you ensure that the bridge keeper notices you?
All about the Zeedoksluis, brug over buitenhoofd, location, opening hours and contact details. On the water map below do you see the bridge in its immediate vicinity. On the right on this page you will find the operating times of this bridge, if available the maritime radio data and telephone numbers, and any additional instructions.
 
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The Netherlands has more than 1500 movable bridges. What rules do you have to observe when passing, when do you have to wait, what do the lights mean and how do you ensure that the bridge keeper notices you?
Via de Waterkaart Live apps kun je natuurlijk je locatie op de kaart bekijken en volgen. Dat kan nu ook met met waterkaart.net, óók met externe GPS-ontvangers. De nieuwe GPS-trackingfunctie vind je rechtsboven in het kaartvenster. Om deze functie te kunnen gebruiken is een …
Je kunt in Waterkaart Live heel gemakkelijk routes via GPX bestanden importeren en op de kaart zetten. Hoe je dat doet en waar je vaarroutes vindt lees je hier. GPX-bestanden bevatten routes of tracks. Dat kunnen vooraf geplande routes zijn, of routes die je hebt opgenomen. …
Als je de Waterkaart Live app gebruikt, kun je zelf vaarroutes plannen en opslaan. Daarbij houdt de route rekening met de hoogte van bruggen (en sluizen) op je route. Het gebruik van de routeplanner is eenvoudig, op deze pagina leggen we uit hoe het werkt. Deutsche Version …
Zeedoksluis,-brug-over-buitenhoofd
Vertical clearance when closed: 4 meter, width: 20.1 meter.
Number of openings: 1
Note: vertical clearance compared to NAP, take possible water level changes into account.
VHF-Channel: Channel 14, radio traffic Two way
Meeting with harbor master marina Willemsoord on number 06-54928547.
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 08:00h and 20:00h - On demand only
Saturday, Sunday, between 08:00h and 11:00h
Saturday, Sunday, between 15:00h and 20:00h
Operating times all year round
From 01-04 until 20-04:
Meeting with harbor master marina Willemsoord on number 06-54928547.
Weekends and holidays, between 08:00h and 11:00h
Weekends and holidays, between 15:00h and 20:00h
Working days, between 08:00h and 20:00h - On demand only
From 21-04 until 26-04:
Meeting with harbor master marina Willemsoord on number 06-54928547.
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 08:00h and 20:00h - On demand only
Saturday, Sunday, between 08:00h and 11:00h
Saturday, Sunday, between 15:00h and 20:00h
From 27-04 until 04-05:
Meeting with harbor master marina Willemsoord on number 06-54928547.
Weekends and holidays, between 08:00h and 11:00h
Weekends and holidays, between 15:00h and 20:00h
Working days, between 08:00h and 20:00h - On demand only
From 05-05 until 31-05:
Meeting with harbor master marina Willemsoord on number 06-54928547.
Holidays, monday, Tuesday, Wednesday, Thursday, Friday, between 08:00h and 20:00h - On demand only
Saturday, Sunday, between 08:00h and 11:00h
Saturday, Sunday, between 15:00h and 20:00h
From 01-06 until 30-06
All days, between 08:00h and 11:00h
All days, between 15:00h and 20:00h
From 01-07 until 31-08
Weekdays and weekends, between 08:00h and 12:00h
Closed on public holidays
Weekdays and weekends, between 15:00h and 21:00h
Closed on public holidays
From 01-09 until 30-09:
Meeting with harbor master marina Willemsoord on number 06-54928547.
Saturday, Sunday, between 08:00h and 11:00h
Saturday, Sunday, between 15:00h and 20:00h
Working days, between 08:00h and 20:00h - On demand only
From 01-10 until 31-03:
Meeting with harbor master marina Willemsoord on number 06-54928547.
All days, between 00:00h and 23:59h - On demand only
Administrator
Port of Den Helder
Postbus 4058
1780HB Den Helder
Administrator visiting address
Het Nieuwe diep 33-3 Den Helder
Phone: 0223-618481
Data updated: 12 Mei 2025, 14:32 uur, all data comes directly from Rijkswaterstaat systems.