Light Air
Ripples with the appearance of scales are formed,but without foam crests
Direction of wind shown by smoke but not by wind vanes
Light Breeze
Small wavelets. Crests have a giassy appearance and do not break
Wind felt on face; leaves rustle; ordinary vane moved by wind
Gentle Breeze
Large wavelets. Crests begin to break. Foam of giassy appearance.
Leaves and small twigs in constant motion; wind extends light flag
Moderate Breeze
Small waves, becoming longer, fairly frequent white horses
Raises dust and loose paper; small branches are moved