Jason Y Wood

Great Lakes boater Tim Wenham (inset) uses C-MAP software (above) to chart his course in advance, using a waypoint just outside his marina as a jumping-off point for every cruise.
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What Voyage-Planning Software Can Do for You

There are two categories of boaters: those who plan, and those who don’t. Electronic voyage-planning software can mean fuel savings, safer cruising, and more fun—so why don’t you use it?