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Significant to Maximum Wave Height

Maximum expected wave height in a 3-hour storm given significant wave height, using Rayleigh statistics - 1/n highest × σ relationship.

Wave heightHmaxStatistics
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Formula, assumptions, and limits

HmaxHs12lnNH_{max} \approx H_s \sqrt{\frac{1}{2} \ln N}
SymbolMeaningUnit
HsH_sSignificant wave heightm
NNNumber of waves in duration
TzT_zMean zero-upcrossing periods

Source: ISSC - Ocean Waves & Ship Motions

In short

Maximum expected wave height in a 3-hour storm given significant wave height, using Rayleigh statistics - 1/n highest \u00d7 \u03c3 relationship.

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