Founded by pationate sailors and skippers, Great-Circle’s field of expertize is marine weather and the production of high resolution meteorological data. These data along with an isochronous routing module are available with Squid. Developped by Great-Circle, Squid is a weather marine software.
This website is about Squid. Here, you can purchase a subscription according to your needs.
However, Great-Circle does more than that. We also provide consulting and assistance services during races.
Data accuracy: GCWF ultra (1km) and GCWF + (3km)
Compare as much Grib files as you want
Consider as the most realistic model, the European model (IFS/CEP) is at your disposal.
Use the meteorological data from the global American model : GFS
Use high resolution data such as : Hirlam, GCWF, NAM …
Change the display settings of the meteorological data.
Display as much models as you want on the same meteogram
Place de la gare,3
1330 Rixensart (Belgium)
VAT : BE 0830.642.276
Contact : firstname.lastname@example.org
Phone : +32 (0)2 633 31 00
References : Route du Rhum, Volvo Ocean Race, Vandée Globe, Transat Jacqes Vabre, Circuit Figaro, Circuit Mini...