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.
From 13 April 2023 (week 15), 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 36 - 2023
NtM numbers: 278 - 282 | 1 Block and 0 Tracings
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Week 35 - 2023
NtM numbers: 268 - 277 | No Blocks, Annex and Tracings published
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Week 34 - 2023
NtM numbers: 264 - 267 | No Blocks, Annex and Tracings published
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Week 33 - 2023
NtM numbers: 260 - 263 | No Blocks, Annex and Tracings published
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Week 32 - 2023
NtM numbers: 252 - 259 | No Blocks, Annex and Tracings published
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Week 31 - 2023
NtM numbers: 245 - 251 | 2 Blocks and 0 Tracings
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Week 30 - 2023
NtM numbers: 239 - 244 | 1 Block and 0 Tracings
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Week 29 - 2023
NtM numbers: 229 - 238 | No Blocks, Annex and Tracings published
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Week 28 - 2023
NtM numbers: 216 - 228 | No Blocks, Annex and Tracings published
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Week 27 - 2023
NtM numbers: 202 - 215 | No Blocks, Annex and Tracings published