Charts / Sources for Marine Charts (SEAiq and SEAiq Pilot)
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.
OpenCPN maintains a list of charts that can be downloaded for
Dacust has a list of charts you can download.
NOAA provides high quality vector charts of the USA and territorial
The US Army Corps of Engineers provides charts of some inland
waterways in the USA (in both S-57 and Inland ENC
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.
Charts for the South China Sea (requires registration):
There are also several sources of free raster charts available on the
NOAA provides-high quality raster charts of the USA and territorial
Land Information New Zealand (LINZ) publishes free raster charts
for New Zealand and much of the South Pacific.