Warnings and notices

The Navigational Warning System of the Federal Republic of Germany issues warnings to shipping when hazards are imminent or have already occurred. It is composed of the following parts:

Warning messages from the Radio Navigational Warnings Centre Emden

The Radio Navigational Warnings Centre is manned day and night, issues navigational warnings for German sea areas and distributes them via NAVTEX.

Notices to Mariners (NfS) from the Federal Maritime and Hydrographic Agency (BSH)

For safe navigation, mariners must always use the current editions of the nautical charts and nautical publications, correct them continuously and keep them up to date. All changes that occur after the publication of a nautical chart or publication can be found in the "Notices to Mariners (NfS)".

The NfS are published weekly in both printed and digital format. They contain corrections and reports on measures and events of major or supra-regional importance.

For more information, see Notices to Mariners (NfS).

Notices to Seafarers (BfS) from the Federal Waterways and Shipping Directorate (GDWS)

The waterway and shipping authorities indicate events and measures of local importance in the announcements for seafarers (BfS).

  • The BfS can be found daily at, the electronic waterway information system of the Federal Waterways and Shipping Administration.

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