Fundamentals of Kayak Navigation is the authoritative source for information needed to chart an accurate course in a sea kayak, whether on open water or between islands or icebergs. Covers chart reading; compass use; finding and keeping track of position; predicting tides and currents; trip planning; navigating at night, in fog, and in boat and ship traffic; and the latest in compact GPS receivers and PDAs, downloadable navigation charts, electronic charting systems, and Internet sources for tracking marine weather forecasts. This guide also provides updates on harbor security restrictions that were instituted after 9-11.