Overview weekly editions

To support safe navigation, the Hydrographic Service publishes the most important changes to nautical products. It does so by issuing Notices to Mariners (NtMs). Besides browsing the NtMs Database, you can download all notices in a booklet (PDF). This booklet contains all notices of that particular week and is therefore also known as the weekly edition.

If you discover any uncharted dangers, changes, or errors in our products, please let us know by sending an e-mail to hydro.admin@mindef.nl.

As of week 15 (13 April 2023), The Netherlands Hydrographic Service will no longer issue tracings for Notices to Mariners.

Do you see uncharted dangers, changes or errors in nautical charts? E-mail to hydro.admin@mindef.nl.

154 weekly editions

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Week 13 - 2019

NtM numbers: 116 - 121 | 0 Blocks and 4 Tracings

Week 12 - 2019

NtM numbers: 112 - 115 | 0 Blocks and 5 Tracings

Week 11 - 2019

NtM numbers: 107 - 111 | 0 Blocks and 18 Tracings

Week 10 - 2019

NtM numbers: 102 - 106 | 0 Blocks and 2 Tracings

Week 09 - 2019

NtM numbers: 91 - 101 | 0 Blocks and 20 Tracings

Week 08 - 2019

NtM numbers: 83 - 90 | 1 Block and 9 Tracings

Week 07 - 2019

NtM numbers: 75 - 82 | 0 Blocks and 5 Tracings

Week 06 - 2019

NtM numbers: 68 - 74 | 1 Block and 2 Tracings

Week 05 - 2019

NtM numbers: 60 - 67 | 2 Blocks and 12 Tracings

Week 04 - 2019

NtM numbers: 51 - 59 | 0 Blocks and 15 Tracings