Shipping Forecast excluding the header line, has a limit of 350 words—except for the 0048 broadcast, where it is increased to 380 to accommodate Trafalgar's inclusion—and has a very strict format. It begins with "And now the Shipping Forecast, issued by the Met Office on behalf of the Maritime and Coastguard Agency at xxxx today." This format is followed quite strictly, although some continuity announcers read out the actual date of issue as opposed to the word "today". This is followed by gale warnings (winds of force 8 or more on the Beaufort scale), if any (e.g., "There are warnings of gales
Shipping Forecast at sea tuned into Marine VHF and MF radio frequencies. HM Coastguard's broadcasts can only be heard by vessels or persons using or tuned into marine VHF and MF radio frequencies, whereas the Shipping Forecast can be heard by anyone tuned into BBC Radio 4. The Coastguard's broadcasts follow the same format as the shipping forecast using the same terminology and style, but the information only normally applies to the area sector or region covered by that particular Coastguard Co-ordination Centre (such as the Bristol Channel, for instance). Announcements of pending broadcasts by HMCG is given on marine Channel 16