The Maritime and Coastguard Agency is responsible in the UK for broadcasting maritime safety information (MSI), by NAVTEX (Navigational telex) out to 270 miles, on VHF out to 30 miles, on MF out to 150 miles.
• Information on wind strength and direction
• Warnings of restricted visibility
• Updates on sea conditions
• Navigational guidance and warnings
For details of the times and content of MSI broadcasts, including local Solent Coastguard transmissions, see: gov.uk/maritime-safety-weather-and-navigation