Low-water risk river

The Danube

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 · Inn valley + Bavarian Danube: last 45 days 224 mm vs 455 mm normal (-51%) · next 16 days 73 mm vs 139 mm (-47%)

Danube, Straubing to Vilshofen

the notoriously shallow free-flowing German reach

PFELLING 202 cm · low

Today vs 30 years: p2.9
Status now: disruption low
Disruption threshold: 212 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

Danube, Wachau (Kienstock)

free-flowing heritage valley between Melk and Krems

KIENSTOCK 125 cm

Today vs 30 years: p10.8
Status now: disruption low
Disruption threshold: 1013 m³/s
This week's risk: 98%

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

Danube at Budapest

the Hungarian reach, the turnaround port for most 7-night Danube cruises

MODEL 1232 m³/s

Today vs 30 years: p3.6
Status now: disruption low
Disruption threshold: 1478 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.