Observed arrival · 2026-11-11
Suroît: weather routing for offshore sailing
Suroît calculates sailboat routes using boat-specific sail polars and compares routes across 17 weather models.
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- Offshore sailors and route-planning crews
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- A sample La Trinité-sur-Mer–Glénan route covers 47 miles in 6 h 31 using a Sunfast 3600 sail polar.
Field notes
The page includes two worked route examples: a VO65 passage from Brittany to Guadeloupe using its sail polar, and a 47-mile La Trinité-sur-Mer–Glénan route on a Sunfast 3600 polar, shown as 6 h 31. It identifies AROME data as Météo-France Open Licence, ECMWF through Open-Meteo under CC BY 4.0, and coastlines from SHOM and OpenStreetMap. The site presents account signup as free.
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