Big seas - but know what you are looking at

The Batemans Bouy managed by Manly Hydraulics is measuring significant wave heights (Hs) of 6m plus

Hs is is the wave height of the 1/3rd highest wave in a given time group (not the famous 7th wave).


The height of the highest 1% of waves (H1/100) is approximately equal to 1.67 times Hs, and a theoretical maximum wave height (Hmax)


So the chart below shows you the Hs and also the calculated Hmax that might happen in a 1 in 100 set of waves.


source: https://mhl.nsw.gov.au/Station-BATBOW

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