Estiimation of Wind Speed Quiz

Sea like a mirror.

• 0 calm

• 8 Gale

• 5 fresh breeze

Scaly ripples without foam crests.

• 6 Strong breeze

• 1 Light air

• 12 Hurricane

Small wavelets, crests have a glassy appearance,

not breaking.

• 4 moderate breeze

• 10 storm

• 2 light breeze

Large wavelets, crests begin to break, scattered whitecaps.

• 5 fresh breeze

• 3 gentle breeze

• 11 Violent storm

Small waves becoming longer, numerous whitecaps..

• 4 moderate breeze

• 6 strong breeze

• 10 storm

Moderate waves taking longer

form, many whitecaps, some spray.

• 5 fresh breeze

• 2 light breeze

• 4 moderate breeze

Larger waves begin to form, whitecaps everywhere, more spray..

• 0 calm

• 6 strong breeze

• 9 strong gale

Sea heaps up, white foam fromown breaking waves begins

to be blown in streaks.

• 7 near gale

• 10 storm

• 9 strong gale

Moderately high waves of greater length, edges of crests begin to break into spindrift.

• 0 calm

• 12 hurricane

• 8 gale

High waves, sea begins to roll, dense streaks of foam.

• 7 near gale

• 8 gale

• 9 strong gale