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The energy carried by swell and wind waves is important to aid assessment of potential damage to shorelines or fixed marine installations (e.g. oil rigs) and also as a guide to potential output of marine wave energy generation installations.   Charts of wave energy flux magnitude (the integral over all frequencies and directions of the product of the group speed and the two-dimensional energy wave spectrum) are available on ecCharts.

Long Swell Forecasts


 Fig815.G:  Long swell forecasts.  ECWAM DT 00UTC 4 Jan 2014.  In the mid-Atlantic, significant wave height (left) is very high at about 20m.  This consists of swell at several periods.  Also shown is the wave energy in terms of swell height for:

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