Notices to Mariners
Notices to Mariners (NtM) are issued as a downloadable PDF booklet every 10 days. The last printed booklet was issued on 21 December 2014
Notices to Mariners contains safety-related information for mariners and corrections to the latest editions of the charts.
There is also a Chart Updating Service available, containing the corrections to each chart.
A new searchable NtM Online service is under development. Using the new service, it is possible to issue urgent Notices to Mariners online, without delay.