Comparison of

Jenifer Clark's Gulfstream Chart and Standard Navy Chart

In comparing the two sets of charts below, note the numerous cold eddies, and ocean "current flow" details on JCG's  chart...and the lack of detail and cold eddies on the navy chart for the same day. Cold eddies have current speeds of 2-7 knots and flow in a counterclockwise fashion. These features are vital in race strategy with several Bermuda races won or lost on the detailed knowledge of these