Undulation caused by the wind on the surface of a sea or lake.
Maximum depth beneath which wave action is no longer perceptible.
still water level
Level of the water surface in the absence of waves.
Lowest point of the wave.
Accumulation of sediment at the bottom of the sea, close to the shoreline; it is sometimes exposed at low tide.
Whitish froth that forms on the water surface when a wave breaks.
Strip of land where the sea meets the land.
High wave that breaks on the coast.
Horizontal distance between two successive crests or troughs.
The highest point of a wave.
Vertical distance between the crest and the trough.