The Westerschelde is a major tidal estuary in Zeeland, Netherlands, stretching from the Belgian border to the North Sea. It is characterized by strong, complex currents and unpredictable winds, making it a challenging environment suited only for experienced kayakers and stand-up paddleboarders seeking strenuous outings. The primary and significant hazard is intensive commercial shipping traffic, with busy lanes used by large seagoing vessels and barges. Paddlers must maintain constant vigilance on navigation, and one planning source explicitly recommends avoiding the main estuary channel due to this heavy traffic, suggesting a ferry crossing instead. The estuary's western end near Cadzand features beaches, which can serve as potential launch or landing points, though these may be subject to surf conditions from the North Sea.

The water body is part of the larger Delta Works region and offers views of industrial ports like Terneuzen and Braakmanhaven, as well as historic lighthouses such as the one at Breskens. Wildlife sightings can include seals. Water quality has been a noted concern due to historical chemical discharges, including PFAS pollution, though remediation efforts are ongoing. The overall paddling vibe is one of a working maritime corridor with expansive, open water, where paddlers must contend with natural forces and substantial man-made traffic. There are no specific facilities or regulations for paddlers mentioned, but the presence of professional pilotage services underscores the seriousness of the nautical environment. Paddling here demands advanced skills, careful tide and traffic planning, and an acceptance of exposed, dynamic conditions.