How To Read/Use

• How to Read a Nautical Chart
• How to Read Nautical Charts Video

Worldwide Free Online

• Navionics Interactive Navigational Chart
• Open Sea Map - make sure to check all of the boxes for what you want to see in the “View” menu

Australia

• Australian Hydrographic Office
• IC-ENC

Canada

• Fisheries and Oceans Canada

France

• Online Viewer
• Paper Charts

New Zealand

• NZ Marine Charts (wetmaps)
• Land Information New Zealand

South Africa

• SA Hydrographic Office

UK

• UK Admiralty Charts

USA Waters

• NOAA - interactive viewer, table list of raster charts - all US marine shoreline, US Great Lakes shoreline and the St. Lawrence River, the Columbia River upstream to the tri-cities and the Snake River upstream to Lewiston, and other large lakes and rivers.
• Captain's