Low-water risk river

The Rhine

Next 12 months

water = chance the month sails clean · dot = live forecast

Aug*

Sep*

Oct*

Nov*

Dec*

Jan*

Feb*

Mar

Apr

May

Jun

Jul

Last five years, month by month

2025 (top row) to 2021: marks are months that hit low water · solid = a week or more

Chance of a clean sailing by month; numbers show % disruption risk. Water below the dashed line: expect rerouting. *Months use the live forecast; the rest use the thirty-year record.

RAIN · Alpine headwaters (Chur, Basel): last 45 days 268 mm vs 409 mm normal (-34%) · next 16 days 109 mm vs 133 mm (-18%)

Middle Rhine at Kaub

the Rhine gorge between Rüdesheim and Koblenz, the bottleneck for every Amsterdam to Basel itinerary

KAUB 12 cm · low

Today vs 30 years: p0.6
Status now: disruption low
Disruption threshold: 922 m³/s
This week's risk: 99%

Weekly outlook · 30 weeks

2026-08-122027-03-03

Weekly outlook, thirty weeks: water level = chance the week sails clean.

2026-08-122027-03-03

Upper Rhine at Maxau

the upper Rhine at Karlsruhe, the approach to Strasbourg and Basel

MAXAU 296 cm · low

Today vs 30 years: p1.2
Status now: disruption low
Disruption threshold: 697 m³/s
This week's risk: 99%

Weekly outlook · 30 weeks

2026-08-122027-03-03

Weekly outlook, thirty weeks: water level = chance the week sails clean.

2026-08-122027-03-03

Lower Rhine at Lobith

where the Rhine enters the Netherlands, feeding the Amsterdam approach

MODEL 639 m³/s

Today vs 30 years: p0.4
Status now: disruption low
Disruption threshold: 1145 m³/s
This week's risk: 99%

Weekly outlook · 30 weeks

2026-08-122027-03-03

Weekly outlook, thirty weeks: water level = chance the week sails clean.

2026-08-122027-03-03

Where these numbers come from: how it works. Still picking a date? Start with when to go.