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Related Experiment Video

Updated: Jul 13, 2026

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Measurements of Waves in a Wind-wave Tank Under Steady and Time-varying Wind Forcing

Published on: February 13, 2018

Wind Generated Rogue Waves in an Annular Wave Flume.

A Toffoli¹, D Proment², H Salman²

¹Department of Infrastructure Engineering, The University of Melbourne, Parkville VIC 3010, Australia.

Physical Review Letters

|April 22, 2017

Summary

Wind-driven waves in a unique annular flume experiment show that rogue waves and heavy-tail statistics naturally form before wave height stabilizes. This study offers new insights into rogue wave formation in natural ocean environments.

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Last Updated: Jul 13, 2026

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Area of Science:

Fluid dynamics
Oceanography
Statistical physics

Background:

Rogue waves are extreme, unpredictable ocean surface waves.
Previous studies often used mechanical wave generation, not natural wind forcing.
Understanding rogue wave formation is crucial for maritime safety and coastal engineering.

Purpose of the Study:

To experimentally investigate the statistical properties of wind-generated waves.
To study the spontaneous formation of rogue waves under natural wind forcing.
To explore wave statistics in an annular flume with unlimited fetch conditions.

Main Methods:

Utilizing an annular flume to create circularly propagating waves.
Employing wind as the natural forcing mechanism for wave generation.
Analyzing the temporal evolution of surface elevation statistics.

Main Results:

Rogue waves and heavy-tail statistics were observed to develop naturally.
These phenomena occurred during the wave growth phase, prior to reaching a stationary state.
The annular geometry facilitated unlimited fetch conditions for wave propagation.

Conclusions:

Wind-driven wave fields can spontaneously generate rogue waves and heavy-tail statistics.
The findings provide a more realistic model for rogue wave formation compared to mechanically generated waves.
This research enhances our understanding of extreme wave events in natural marine environments.