The Maritime and Coastguard Agency is responsible in the UK for broadcasting maritime safety information (MSI).
These leaflets provide information about:
schedules for routine NAVTEX and radio telephony (RT) broadcast times
medical advice link calls
Updates to this page
Last updated:
14 April 2022
Show all updates
Updated MSI reduced service information for Friday 6 May 2022 - the 00:48 and 05:20 Shipping Forecasts will be transmitted on Radio 4 LW only and not FM.
Updated dates
Updated MSI reduced service information for the period form Monday 21 March 2022 to Sunday 27 March 2022:
Weekdays - the 05:20 Shipping Forecast will be transmitted at the later time of 05:33:30.
Weekends - the 05:20 Shipping Forecast will be transmitted at the later time of 05:34.
Updated MSI reduced service information for Monday 21/03/2022 - the 05:20 Shipping Forecast will be transmitted at the later time of 05:33:30.
Added new broadcast information commencing Tuesday 15 March.
Added new forecast commencing Saturday 8th January
New broadcast information
Removed January 2021 broadcast times
Uploaded new weather bulletins April 2021
Uploaded revised MSI Radio 4 reduced service bulletin
Uploaded revised times to radio 4 weather bulletins
BBC Radio 4 broadcast times July 2020 (PDF)
COVID-19: BBC Radio 4 broadcast times (PDF)
These have been removed as they are no longer relevant
Uploaded MSI amended service: BBC Radio 4 weather bulletin
Uploaded new Maritime and Safety Information notice
New MSI leaflet uploaded (June 2018)
New version uploaded
New MSI leaflet uploaded
Important changes to VHF channels for maritime safety information broadcasts
From Wednesday 6 September 2017 (after 08.10 hours) HM Coastguard will be using new channels
to broadcast Maritime Safety Information (MSI) and conduct radio medical advice.
The new channels will be VHF 62, 63 and 64.
The use of VHF Channel 10 for MSI and pollution control (back up) is unchanged.