Sources for Marine Charts

There are numerous sources for free marine charts on the web that you can download. All of these can be downloaded directly to SEAiq on your iPad; alternatively, they may be saved to your laptop and then transferred to the iPad using iTunes File Transfer as described in the Help information on the Files tab.

Web Sites Listing Free Charts

• Open Sea Chart is a community-driven directory of free marine charts. If you are aware of marine charts that are not listed on Open Sea Chart, you can add them to the list.
  • http://openseachart.org
• OpenCPN maintains a list of charts that can be downloaded for free
  • http://opencpn.org/ocpn/chart_sources
• Dacust has a list of charts you can download.
  • http://dacust.com/inlandwaters/index.html

Vector Charts

• NOAA provides high quality vector charts of the USA and territorial waters.
  • http://www.charts.noaa.gov/ENCs/ENCs.shtml
  • http://www.charts.noaa.gov/ENCs
• The US Army Corps of Engineers provides charts of some inland waterways in the USA (in both S-57 and Inland ENC formats):
  • http://www.agc.army.mil/Missions/Echarts.aspx
• Numerous charts of inland waterways in Europe. Below are some of the links. Note that these links change from time to time and the format of the Zip files changes sometime. Please let us know if you have trouble with any of them.
  • Austria: http://www.doris.bmvit.gv.at/fileadmin/group_upload/8/ECDIS_Download/Edition_5.zip
  • Belgium: http://ris.vlaanderen.be/IENC/
  • Czech Republic: http://193.86.76.109/lpm/maps_S57.asp?lang=en
  • Germany: https://www.elwis.de/Service/Inland-ENC-der-WSV/IENC-Dateien/index.php.html
  • Netherlands: https://www.vaarweginformatie.nl/frp/main/#/page/infra_enc
  • Romania: http://www.afdj.ro/electronic_map.html
  • Serbia: http://www.plovput.rs/elektronske-navigacione-karte
• Charts for the South China Sea (requires registration):
  • http://scsenc.eahc.asia

Raster Charts

There are also several sources of free raster charts available on the internet.

• NOAA provides-high quality raster charts of the USA and territorial waters:
  • http://www.charts.noaa.gov/RNCs/RNCs.shtml
  • http://www.charts.noaa.gov/RNCs
• Land Information New Zealand (LINZ) publishes free raster charts for New Zealand and much of the South Pacific.
  • http://www.linz.govt.nz/sea/charts/nzmariner-official-raster-navigational-charts-rncs
  • http://topo.linz.govt.nz/hydro/