In the Netherlands, a general maximum speed of 20 kilometers per hour applies to motorboats on the water. In Friesland, however, you will hardly ever reach that speed on inland waterways. The province enforces lower limits to protect shorelines, nature, and other boaters. There are three speed zones you need to know.

Maximum boating speeds by situation

The main rule: the narrower and busier the waterway, the slower you should go.

On major canals, the maximum speed is 12.5 kilometers per hour. These include the Prinses Margriet Canal and the Van Harinxma Canal, the main waterways of Friesland. This speed also applies in buoyed channels on large lakes such as Sneekermeer and Tjeukemeer. You can recognize these channels by the red and green buoys.

Outside the marked channels on lakes and on most other waterways, the maximum speed is 9 kilometers per hour. This applies to most of the Frisian boating area. On open water, wider canals, and routes connecting villages, this is the standard speed.

In harbors, within built-up areas, and on narrow waterways and ditches, the maximum speed is 6 kilometers per hour. This is comparable to walking pace. It may feel slow, but on narrow waters higher speeds create waves that damage shorelines and disturb waterbird nests. On the Turf Route in Southeast Friesland, this 6 km/h limit applies along the entire route.

How do you recognize the speed limit?

Just like on the road, there are traffic signs on the water. A square white sign with a red border and a black number indicates the maximum speed in kilometers per hour. When entering a harbor or town, you will often see a “6” sign. When leaving, a higher speed may be indicated again.

On lakes, you recognize the channels by the buoyage: red and green buoys mark the navigable route. Within these buoys, the limit is 12.5 km/h; outside, it is 9 km/h.

A practical rule of thumb: if you are unsure about the speed, go slower. Going too slow is not an offense—going too fast is. Water police actively enforce speed limits in Friesland. According to Rijkswaterstaat, speeding is the most common violation on the water.

High-speed zones

On several Frisian lakes, designated high-speed areas allow you to go faster than 9 km/h. These zones are marked with yellow buoys and are located on lakes such as Sneekermeer, Heegermeer, Slotermeer, and Tjeukemeer.

However, these areas are not relevant for renters of motorboats. High-speed boating is only allowed for small, fast motorboats with a displacement of up to 1.5 cubic meters. Motor yachts, like those in most rental fleets, are not included.

High-speed zones are open from April 30 through September 30, between sunrise and sunset. A boating license is required, and the minimum age is 18.

Why lower speed limits in Friesland?

Friesland deliberately enforces lower boating speeds. The main reason is to protect the shorelines. Waves caused by speeding boats erode banks and damage reed beds. This affects not only nature but also the nests of waterbirds.

In addition, lower speeds improve safety. Friesland’s waterways are shared by motorboats, sailboats, sloops, canoes, and paddleboards. Lower speeds give everyone enough space to maneuver safely.

In practice

What do these speed limits mean for your boating holiday? In practice, very little restriction. An average rental motorboat travels around 7 to 9 kilometers per hour, which already matches the maximum on most waterways. The speed limits simply reflect the natural pace of boating in Friesland: calm, relaxed, and attentive.

Take this into account when planning your route. From Terherne to Sneek is about 8 kilometers. At an average speed of 8 km/h, it takes about one hour. From Terherne to Grou is similar. Longer routes, such as the 200-kilometer Eleven Cities route, can take 25 to 30 hours of pure cruising time, spread over several days.

Want to learn more about boating rules, routes, or planning your trip? Check the route pages on the website or contact us for personal advice.