Shipping Forecast in Rockall, Malin, Hebrides, Bailey, and Fair Isle"). This sometimes follows the opposite format (e.g., "There are warnings of gales in all areas except Biscay, Trafalgar and FitzRoy"). The "General Synopsis" follows, giving the position, pressure (in millibars) and track of pressure areas (e.g., "Low, Rockall, 987, deepening rapidly, expected Fair Isle 964 by 0700 tomorrow"). Each area's forecast is then read out. Several areas may be combined into a single forecast where the conditions are expected to be similar. Wind direction is given first, then strength (on the Beaufort scale), followed by precipitation, if any, and (usually) lastly visibility.
Shipping Forecast radio transmission for areas around Great Britain. This service was discontinued during and following the First World War, between 1914 and June 1921, and again during the Second World War between 1939 and 1945. Today, although most ships have onboard technology to provide the Forecast's information, they still use it to check their data. On Friday 30 May 2014, for the first time in more than 90 years, BBC Radio 4 failed to broadcast the Shipping Forecast at 0520. Staff at Broadcasting House were reading out the report but it was not transmitted. Listeners instead heard BBC World Service. 24