Well, that only applies to the Solomons Chain. The Central Pacific chain were atolls surrounded by deep water.Paul Lakowski wrote: Most pacific WW-II surface actions were in or around islands and island chains and as such this is mostly shallow seas. If you study wave science you may notice that heavy seas rarely ever form over shallow seas
http://www.oceanweather.com/data/
study this site over months and seasons.
Not to mention that the British fought most of the important naval actions in that relatively placid lake called the Mediterranean Sea.