Classic route · the Seine

Paris ⇄ Normandy: the water outlook

The Seine round trip: Giverny, Rouen, and the Normandy coast. The Seine is locked and rain-fed, so the thing to watch is high water under the Paris bridges, mostly in winter and spring.

The chart shows the next twelve months for this route, each month scored on the tightest stretch it sails. Right now the calmest coming months are July (0%) and August (1%); March asks the most of the water at 40%: elevated.

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 high water · solid = a week or more

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

Sailing on specific dates? The cruise checker scores your exact window on this route, day by day, and can email you if the outlook changes.