Beaufort
number
or force
| Wind Speed
| Wave
height
(feet)
| Description
| Effects observed on sea
| Simon Says....
|
| knots
| mph
|
| 0
| under 1
| under 1
| -
| Calm
| Sea like mirror
|
|
| 1 |
1 - 3
| 1 - 3
| 3 in
| Light air
| Ripples with appearance of scales: no foam crests |
|
| 2 |
4 - 6
| 4 - 7
| 6in - 1
| Light breeze
| Small wavelets; crests of glassy appearance, not breaking |
|
| 3 |
7 - 10
| 8 - 12
| 2 - 3
| Gentle breeze
| Large wavelets; crests begin to break; scattered whitecaps |
|
| 4 |
11 - 16
| 13 - 18
| 3 - 5
| Moderate breeze
| Small waves, becoming longer numerous whitecaps |
|
| 5 |
17 - 21
| 19 - 24
| 6 - 8
| Fresh breeze
| Moderate waves, taking longer form; many whitecaps; some spray |
|
| 6 |
22 - 27
| 25 - 31
| 9 - 13
| Strong breeze |
Larger waves forming; whitecaps everywhere; more spray |
|
| 7 |
28 - 33
| 32 - 38
| 13 - 19
| Near gale |
Sea heaps up; white foam from breaking waves begins to be blown in streaks |
|
| 8 |
34 - 40
| 39 - 46
| 18 - 25
| Gale |
Moderately high waves of greater length; edges of crests begin to break into spindrift; foam is blown in well marked streaks |
what do you mean, you're not coming diving?
|
