Jamie has found an excellent video on YouTube about Sea States:  www.youtube.com/watch?v=JYQvymhZ2SQ.

As Hugh said Sea States are used in the Open Sea not inshore, where we tend to go.  A lot of the video was shot around St Kilda, which is just about as “Open Ocean” as we will normally get. Here you get sea states 3 and 4 without the howling gales (” strong breezes”) that are necessary inshore to generate big waves.  I am sure it does not help much to know that last Saturday the sea state was “slight”!

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