There is a better way, and tides and currents data is included with the charts. Maptech's new U.S. Boating Charts with Tides and Currents on DVD has over 2200 up-to-date NOAA nautical charts and more than 750 river charts from the Army Corp of Engineers. It comes with GPS real-time navigation software.
Tides and Currents
The DVD contains complete data for the U.S. and graphical shows the current state of the tides and currents by specific station.
Click to Create Routes
Maptech's "Offshore Navigator Lite" navigation software is included. Click your mouse to put a waypoint on a chart. Click again, and you're creating a route. It's that easy. Distances, bearings and GPS positions are calculated and displayed instantly.
Print Your Own Charts
Print your own customized GPS waypoints, route plans and chart segments on color or black and white printers.
GPS Positioning Rollover
Connect a GPS to your laptop and see your real-time position on the computer screen. Real-time positioning requires connecting an industry-standard NMEA 0183 GPS to your PC.