They are most likely to be dangerous during high surf conditions as the wave height and wave period increase. (usla.org)
The harder and longer these winds blow, the more energy that is transferred from the wind in the form of kinetic energy, resulting in longer wave periods within a swell. (cornishwave.com)
Move your mouse over the ocean swell symbols or the surf breaks on the coastline to see a more detailed surf forecast including wave period and wind conditions. (surf-forecast.com)