Ocean Passages for the World offers a wealth of information on ocean voyage planning. Individual chapters on each of the world's oceans cover seasonal weather patterns, currents, swell and ice hazards.
Tables and text cover the shortest routes between ports and important positions, with routing details for both powered and sailing vessels.
Long the standard for voyage planning for commercial shipping, Ocean Passages for the World is a valuable resource for anyone intending to circumnavigate today. Fifth edition, 2004.