Shipping Forecast Wight, Portland and Plymouth respectively Pas de Calais, Antifer, Casquets and Ouessant. In the forecast, areas are named in a roughly clockwise direction, strictly following the order above. However, a forecast for Trafalgar is found only in the 0048 forecast – other forecasts do, however, report when there are warnings of gales in Trafalgar. The coastal weather stations named in the Shipping Forecast (and numbered on the map) are: The Shipping Forecast includes a "general situation" update for the British Isles, followed by a forecast for inshore waters of the United Kingdom, divided by area. These areas are: The forecast,
World Area Forecast Center legacy reasons), and GRIB and BUFR charts - these are Wind and Temperature charts and SIGWX charts (Significant Weather Chart) for SWH (high levels) and SWM (medium levels). There are only two World Area Forecast Centres, each providing a backup for the other. These are the UK Met Office and Washington NOAA, working in duplicate so it would be possible to replace each other in a case of failure. Each of these two services operates its own satellite-based broadcast system to distribute data to airports all over the world. The UK Met Office is called SADIS (SAtellite DIstribution System) and