A severe heat wave in Europe during the summer of 2026 has led to historically low water levels in the Danube and Rhine rivers. These reduced river depths have caused significant disruptions and cancellations of river cruises along these routes.
Multiple cruises on the Danube and Rhine rivers have been affected by the low water levels as of July 22, 2026. Travelers booking European river cruises during this period face potential itinerary changes and cancellations due to the ongoing heat wave conditions impacting navigability.
