Point and click on a map to get current and forecast wind direction and strength. Tidal currents,
A slightly curmudgeonly singlehanded sailor gives very readable advice on the importance of routine, anchoring methods, line handling, exhaustion, weather windows, emergencies, grounding, and age.
An authoritative navigational resource for voyage planning and reference underway. Includes detailed sections on navigation, weather, safety, communications, etc. Six editions cover the UK, N. America, and the Caribbean.
Real-time weather information (radar, surface analysis, buoy data, etc.) on your smartphone, PDA, laptop or other portable device.
Complex and sophisticated way to learn about weather patterns and routing by skippering a trimaran around the world trying to break Ellen McArthur's record. You get information and advice but make the decisions yourself.