A Marey diagram of one day of traffic: every ship plotted as distance along the river against time. Rising lines are inbound, falling lines outbound, flat lines are ships at anchor or waiting. The tide curves for Vlissingen and Prosperpolder run underneath.
Source: AIS positions via aisstream.io; predicted tide from Vlaamse Hydrografie tide tables 2026
Free for personal and educational use with credit to The Moving Sea. For commercial use, contact [email protected].