The Marine GeoGarage is an integrated online marine tool, providing functions such as :
NOTE : This chart display or derived product for mobile smartphone can be used as a planning or analysis tool and may not be used as a navigational aid.
Use the official, full scale National Hydrographic Service (HS) nautical charts for real navigation whenever possible. These are available from authorized HS nautical chart sales agents.
Screen captures of the on-line viewable charts available here do NOT fulfill chart carriage requirements for vessels.