by Sarah Kuta
Last updated: 2:40 PM ET, Tue October 13, 2026
Recent rain has brought a temporary rise in water levels along parts of the Rhine and Danube rivers, but conditions remain challenging for river cruise operators, with forecasts offering little hope for a sustained recovery before November.
Water levels remain below key navigation references at several major measuring stations, including Kaub and Cologne on the Rhine and Pfelling on the Upper Danube, according to the latest update from Cleveland Research Company. Another stretch of the Danube near Budapest has seen virtually no meaningful improvement, while flow on the Lower Danube remains far below normal for October.
The ongoing low-water conditions come as river cruise ships continue to encounter difficulties navigating Europe's waterways. In late September, the Dutch Melody, operated by Dutch Cruise Line, ran aground near Cologne, where gauge readings had dropped to just under 16 inches, leaving approximately 4.9 feet of navigable water depth. The ship was able to continue its journey after another vessel assisted it, according to Dutch News.
The incident follows the July grounding of Viking Ullur on the Lower Danube near Vidin, Bulgaria. Bulgarian Border Police assisted in evacuating all 186 passengers from the vessel.
At Kaub, a key monitoring point on the Rhine, water levels have risen to approximately 20 centimeters after approaching zero last week. However, that remains well below the 77-centimeter navigation reference and the previous record low of 25 centimeters recorded in 2018. Official forecasts project levels could fall back to between 9 and 16 centimeters by the end of this week.
Cologne is also experiencing persistently low water levels. The gauge currently stands at approximately 60 centimeters, compared with a navigation reference of 139 centimeters. That remains below the previous record low of 69 centimeters, with forecasts calling for levels to slip to between 56 and 59 centimeters by Friday or Saturday.
On the Upper Danube, the gauge at Pfelling has improved to approximately 240 centimeters, up from around 205 centimeters last week. But levels peaked at roughly 254 centimeters over the weekend and have begun falling again. River flow there is approximately 150 cubic meters per second.
Farther downstream, Budapest's gauge is hovering around zero centimeters, with forecasts calling for readings between zero and minus 2 centimeters through the remainder of the week. Meanwhile, flow on the Lower Danube is approximately 1,200 cubic meters per second, compared with a typical October flow of around 3,900 cubic meters per second—just 31 percent of normal.
The recent rain has not delivered enough widespread precipitation to reverse the trend. Over the past six days, key Danube catchments received roughly 14 to 16 millimeters of rain, while the Vienna area received only about 7 millimeters. Although some locations saw heavier downpours, most of the important upstream river basins received only 10 to 20 millimeters.
Forecasts for the next two weeks offer little reason for optimism. Over the next six days, the European Centre for Medium-Range Weather Forecasts projects approximately 23 millimeters of rain for the Upper Danube basin above the Inn River, 18 millimeters for the Inn basin, 9 millimeters for the Traun and Enns basins and just 3 millimeters around Vienna. After a midweek weather front passes, high pressure is expected to rebuild over southern Germany, limiting the prospects for prolonged, widespread rainfall.
The outlook for the Rhine is similarly discouraging. Germany's Federal Institute of Hydrology currently puts the probability of water levels at Kaub remaining below the 77-centimeter navigation reference at 100 percent through October 19. That probability falls only slightly to 95 percent on October 20, 79 percent on October 21 and 76 percent on October 22.
While additional rain could trigger another short-lived rise, a meaningful recovery would likely require 40 to 60 millimeters of widespread precipitation over seven to 10 days, ideally followed by another wet weather system.
With that kind of sustained rainfall absent from current forecasts, November is increasingly emerging as the first realistic opportunity for significant improvement.
For river cruise operators, the continued uncertainty means water levels will remain an important factor in navigation and itinerary planning in the weeks ahead. Low water can restrict where ships can travel and how much depth is available beneath their hulls, potentially requiring operational adjustments, including ship swaps or other changes to planned journeys.
Topics From This Article to Explore
