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Rhine River Water Levels Outlook, Week of August 11, 2025

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3 min read
Lorelei Rock and terraced vineyards rising above the deep aqua Rhine River, grapevines trained along a ferry handrail in the foreground, aged oak cask texture overlay, bright midday sun and crisp shadows.

Rhine levels are within typical midsummer navigation ranges, with the Kaub gauge near 6.8 ft (2.06 m) as of this update. 1 A 4-day deterministic view shows a gentle easing toward roughly 5.4 to 5.6 ft (1.65 to 1.70 m) midweek, while the probabilistic 14-day outlook keeps the chance of very low water minimal through August 17. 2,3 Booked guests should verify pier times 3 to 5 days pre-departure and consider a Cancel For Any Reason upgrade if extra flexibility matters. 7

Current Conditions

Primary gauge: Kaub (Pegel Kaub). 6.8 ft (2.06 m), normal range data unavailable. Risk level Normal for the Middle Rhine corridor between Koblenz and Bingen based on today's Kaub stage and routine forecasts. 1,2

Seven-Day Outlook

Chart unavailable. Data summary for August 11 to 17: the Kaub stage is expected to trend lower early in the week, then level off, with no signal for a rapid drop below key shipping thresholds in this window. Risk call for the next 7 days: Normal. 2,3

Three-Week Risk Forecast

PeriodLikelihood of DisruptionConfidence
Days 1 to 7NormalHigh
Days 8 to 14NormalMedium
Days 15 to 21NormalLow

A warm, mostly settled pattern over western Germany favors slow stage changes, with only scattered thunderstorms in the guidance and no basin-wide rain signal at this time. The BfG probabilistic outlook shows very low odds of crossing critical low-water marks through mid-August, then gradually rising uncertainty into late August. If flexibility matters, remember CFAR policies have time-sensitive purchase windows and reimburse only part of trip cost. 4,3,7

Traveler Advice

Booked guests should expect Normal navigation on the Middle Rhine, including the reach between Koblenz and Bingen. Watch your line's pre-departure emails for minor timing or pier adjustments, which are handled operationally when levels drift but itineraries remain intact.

Near-term shoppers can plan shore days normally. Build modest buffer around coach departures in case of lock or traffic timing, and pack light rain gear for passing storms rather than planning around major river swings.

Looking beyond three weeks, keep expectations steady but practical. If you want maximum flexibility, compare policy options early and consider a Cancel For Any Reason upgrade soon after your first payment, since eligibility windows are strict and reimbursement is partial. 7

Methodology

We use WSV Pegelonline and ELWIS for current levels and 4-day forecasts at shipping-relevant gauges, the BfG probabilistic 14-day outlook for medium-range risk, and DWD national guidance for weather context, converting meters to feet using standard factors. 6,2,3,4

Disclaimer

Forecasts beyond ten days are probabilistic and may change without notice. This information does not constitute financial or insurance advice.

Sources

  1. ELWIS, Pegel KAUB, current level and recent values
  2. ELWIS, Wasserstandsvorhersage, Pegel KAUB, 4-day forecast
  3. BfG, probabilistic 14-day forecast for Kaub, Rhine
  4. DWD, 10-day national weather outlook for Germany
  5. HVZ Rheinland-Pfalz, Kaub and Middle Rhine gauge overview
  6. WSV PEGELONLINE, REST API documentation and data context
  7. Squaremouth, Cancel For Any Reason basics and purchase windows