HsSignificant wave height. Average of the highest third of waves.
Max HsHighest significant wave height expected in the selected forecast window.
SwellLonger-period sea travelling in from another weather system.
WindSustained wind near sea level, shown in your chosen wind unit.
GustShort stronger bursts above sustained wind.
DirDirection the wind or sea is coming from, in magnetic degrees where available.
VisVisibility. Low values can mean fog, haar, heavy rain or low cloud risk.
PressureAir pressure in millibars. Falling pressure often means worsening weather.