SailGrib WR is a complete and easy to use navigation app: weather, tides, tidal currents, routing, NMEA, AIS, charts. If you are a recreational boater, inshore or offshore racer, SailGrib WR covers all your needs: - Weather and current acquisition before departure (grib files, isobaric maps, satellite images) - Routing: optimize your navigation according to your wishes. Use one of our 400+ polars or simply build your own. - Charts: subscribe to GeoGarage raster charts (SHOM, UKHO, NOAA .... )