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What ocean racing taught us about weather routing

June 9, 2026 · 4 min read

Thirty years of offshore racing meteorology expertise, now applied to AI-driven routing for commercial maritime operations. How Marine Weather Intelligence transfers race-level know-how to every sea-dependent sector.

Offshore ocean racing represents an extreme laboratory for meteorological decision-making. “On an Ultim, a single knot of wind can translate into a 2.5-knot difference in boat speed.” At that level of sensitivity, routing becomes a decisive performance factor rather than an auxiliary tool.

Thirty years of continuous race monitoring

For over 30 years, offshore multihulls have been tracked 24/7 continuously. During major events such as the Route du Rhum and Jules Verne Trophy attempts, this includes full race support operations: automated routing systems and continuous meteorological analysis running in parallel.

Continuous race monitoring across events like the Vendée Globe and The Ocean Race builds a depth of meteorological judgement that no other experience can develop.

About Christian Dumard

Christian Dumard’s expertise is rooted in a lifelong connection to sailing. A professional navigator from 1983 to 2002, America’s Cup competitor in 1995, and member of the French Tornado Olympic sailing team from 1989 to 1992.

He has provided meteorological analysis across all major offshore races. His experience also spans complex operations: transport of the James Webb Space Telescope, oil platform towing, and rescue operations. In 2023, he co-founded Marine Weather Intelligence with Basile Rochut.

AI as an extension of routing expertise

Race meteorology operates at a level of granularity that standard maritime forecasting is not designed to provide. The question is never solely what the weather will do, but what it will do here, for this vessel, at this speed.

“AI does not replace offshore racing expertise. It scales it and makes it operational.”

Applied to commercial operations, this translates into more efficient routing, reduced fuel consumption, and more reliable estimated times of arrival.

From ocean racing to every sea-dependent sector

Through Marine Weather Intelligence, this combined system of race-proven meteorological expertise and AI-driven routing technology now applies to towage, heavy transport, commercial shipping, offshore energy, and yacht owners.

“The context changes. The standard of decision-making does not.”

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