Grand Prix - Weather Forecast

Seatrack’s Weather Forecast function provides the facility for downloading a GRIB file and displaying the information on the chart. It can be overlaid onto any other Seatrack chart display and can be animated to show weather changes in a dynamic form.

Weather Forecast screen displaying isobars and wind fields

GRIB files appear in scales covering sea areas as large as the Eastern Atlantic to as small as the Solent.  Typically, they cover time periods of 1-7 days at 1-3 hour intervals.  They all provide wind data, while some provide additional information such as isobars, wave height and precipitation.

GRIB files may be downloaded from a variety of websites.  The URLs for the following websites are hard-coded into Seatrack: