Skala Kecepatan Angin Beaufort

Kekuatan                     gambaran                                Kecepatan rata-rata km/jam

0                                  tenang                                     <1

1                                  Nyaris tenang                          1-5

2                                  Sangat lemah                          6-11

3                                  Agak lemah                             12-19

4                                  Lemah                                     20-29

5                                  Sedang                                    30-39

6                                  Sedikit kuat                             40-50

7                                  Lumayan kuat                         51-61                          

8                                  Kuat                                         62-74

9                                  Sangat kuat                             75-87

10                                Badai lemah                            88-101

11                                Badai sedang                          102-117

12                                Badai kuat                               >119