"stormy: Wave height greater than 4.5 feet and wind speed greater than 18 knots. Wind speed and wave height are moving averages of the last three days' wind speed and wave height before the trading day, as measured off the coast of Long Island and reported in the New York Times boating forecast.."
"mixed: wave height greater than 3.8 feet, wind speed greater than 13 knots and not stormy."