速度、風速、距離の換算表
気象庁が台風に関する情報や漁業気象通報などで使用する速度、風速、距離について、ノット、海里単位からメートル単位に換算するための表です。
速度※1
|
ノット
|
km/h
|
|
1
|
2
|
|
2
|
4
|
|
3
|
6
|
|
4
|
7
|
|
5
|
9
|
|
6
|
10
|
|
7
|
15
|
|
8
|
15
|
|
9
|
15
|
|
10
|
20
|
|
11
|
20
|
|
12
|
20
|
|
13
|
25
|
|
14
|
25
|
|
15
|
30
|
|
16
|
30
|
|
17
|
30
|
|
18
|
35
|
|
19
|
35
|
|
20
|
35
|
|
21
|
40
|
|
22
|
40
|
|
23
|
45
|
|
24
|
45
|
|
25
|
45
|
|
26
|
50
|
|
27
|
50
|
|
28
|
50
|
|
29
|
55
|
|
30
|
55
|
|
31
|
55
|
|
32
|
60
|
|
33
|
60
|
|
34
|
65
|
|
35
|
65
|
|
36
|
65
|
|
37
|
70
|
|
38
|
70
|
|
39
|
70
|
|
40
|
75
|
|
41
|
75
|
|
42
|
80
|
|
43
|
80
|
|
44
|
80
|
|
45
|
85
|
|
46
|
85
|
|
47
|
85
|
|
48
|
90
|
|
49
|
90
|
|
50
|
95
|
|
55
|
100
|
|
60
|
110
|
|
65
|
120
|
|
70
|
130
|
風速
|
ノット
|
m/s
|
|
5
|
3
|
|
10
|
5
|
|
15
|
8
|
|
20
|
10
|
|
25
|
13
|
|
30
|
15
|
|
(34
|
17)
|
|
35
|
18
|
|
40
|
20
|
|
45
|
23
|
|
(48
|
25)
|
|
50
|
25
|
|
55
|
30
|
|
60
|
30
|
|
(64
|
33)
|
|
65
|
35
|
|
70
|
35
|
|
75
|
40
|
|
80
|
40
|
|
85
|
45
|
|
90
|
45
|
|
95
|
50
|
|
100
|
50
|
|
105
|
55
|
|
110
|
55
|
|
115
|
60
|
|
120
|
60
|
|
125
|
65
|
|
130
|
65
|
|
135
|
70
|
|
140
|
70
|
|
145
|
75
|
|
150
|
75
|
|
155
|
80
|
|
160
|
80
|
|
165
|
85
|
|
170
|
85
|
|
175
|
90
|
|
180
|
95
|
|
185
|
95
|
|
190
|
100
|
|
195
|
100
|
|
200
|
105
|
|
205
|
105
|
|
210
|
110
|
|
215
|
110
|
|
220
|
115
|
|
225
|
115
|
|
230
|
120
|
|
235
|
120
|
|
240
|
125
|
|
245
|
125
|
|
250
|
130
|
|
255
|
130
|
|
260
|
135
|
|
265
|
135
|
|
270
|
140
|
|
275
|
140
|
|
280
|
145
|
|
285
|
145
|
|
290
|
150
|
|
295
|
150
|
|
300
|
155
|
距離
|
海里
|
km
|
|
0.1
|
0.2
|
|
0.3
|
0.5
|
|
0.5
|
1
|
|
1
|
2
|
|
2
|
4
|
|
3
|
6
|
|
4
|
7
|
|
5
|
10
|
|
6
|
10
|
|
7
|
15
|
|
8
|
15
|
|
9
|
15
|
|
10
|
20
|
|
11
|
20
|
|
12
|
20
|
|
13
|
25
|
|
14
|
25
|
|
15
|
30
|
|
16
|
30
|
|
17
|
30
|
|
18
|
35
|
|
19
|
35
|
|
20
|
35
|
|
21
|
40
|
|
22
|
40
|
|
23
|
45
|
|
24
|
45
|
|
25
|
45
|
|
26
|
50
|
|
27
|
50
|
|
28
|
50
|
|
29
|
55
|
|
30
|
55
|
|
31
|
55
|
|
32
|
60
|
|
33
|
60
|
|
34
|
65
|
|
35
|
65
|
|
36
|
65
|
|
37
|
70
|
|
38
|
70
|
|
39
|
70
|
|
40
|
75
|
|
41
|
75
|
|
42
|
80
|
|
43
|
80
|
|
44
|
80
|
|
45
|
85
|
|
46
|
85
|
|
47
|
85
|
|
48
|
90
|
|
49
|
90
|
|
50
|
95
|
|
51
|
95
|
|
52
|
95
|
|
53
|
100
|
|
54
|
100
|
|
55
|
100
|
|
56
|
105
|
|
57
|
105
|
|
58
|
105
|
|
59
|
110
|
|
60
|
110
|
|
61
|
115
|
|
62
|
115
|
|
63
|
115
|
|
64
|
120
|
|
65
|
120
|
|
66
|
120
|
|
67
|
125
|
|
68
|
125
|
|
69
|
130
|
|
70
|
130
|
|
71
|
130
|
|
72
|
135
|
|
73
|
135
|
|
74
|
135
|
|
75
|
140
|
|
76
|
140
|
|
77
|
145
|
|
78
|
145
|
|
79
|
145
|
|
80
|
150
|
|
81
|
150
|
|
82
|
150
|
|
83
|
155
|
|
84
|
155
|
|
85
|
155
|
|
86
|
160
|
|
87
|
160
|
|
88
|
165
|
|
89
|
165
|
|
90
|
165
|
|
91
|
170
|
|
92
|
170
|
|
93
|
170
|
|
94
|
175
|
|
95
|
175
|
|
96
|
180
|
|
97
|
180
|
|
98
|
180
|
|
99
|
185
|
|
100
|
185
|
距離(続き)
|
海里
|
km
|
|
105
|
190
|
|
110
|
200
|
|
115
|
210
|
|
120
|
220
|
|
125
|
230
|
|
130
|
240
|
|
135
|
250
|
|
140
|
260
|
|
145
|
270
|
|
150
|
280
|
|
155
|
290
|
|
160
|
300
|
|
165
|
310
|
|
170
|
310
|
|
175
|
320
|
|
180
|
330
|
|
185
|
340
|
|
190
|
350
|
|
195
|
360
|
|
200
|
370
|
|
205
|
380
|
|
210
|
390
|
|
215
|
400
|
|
220
|
410
|
|
225
|
420
|
|
230
|
430
|
|
235
|
440
|
|
240
|
440
|
|
245
|
450
|
|
250
|
460
|
|
255
|
470
|
|
260
|
480
|
|
265
|
490
|
|
270
|
500
|
|
275
|
510
|
|
280
|
520
|
|
285
|
530
|
|
290
|
540
|
|
295
|
550
|
|
300
|
560
|
|
310
|
570
|
|
320
|
590
|
|
(325
|
600)
|
|
330
|
600
|
|
340
|
650
|
|
350
|
650
|
|
360
|
650
|
|
370
|
700
|
|
(375
|
700)
|
|
380
|
700
|
|
390
|
700
|
|
400
|
750
|
|
410
|
750
|
|
420
|
800
|
|
(425
|
800)
|
|
430
|
800
|
|
440
|
800
|
|
450
|
850
|
|
460
|
850
|
|
470
|
850
|
|
(475
|
900)
|
|
480
|
900
|
|
490
|
900
|
|
500
|
950
|
|
550
|
1000
|
|
600
|
1100
|
|
650
|
1200
|
|
700
|
1300
|
|
750
|
1400
|
|
800
|
1500
|
|
850
|
1600
|
|
900
|
1700
|
|
950
|
1800
|
|
1000
|
1900
|
|
1100
|
2000
|
|
1200
|
2200
|
|
1300
|
2400
|
|
1400
|
2600
|
|
1500
|
2800
|
|
1600
|
3000
|
※1:速度が5ノット以下で方向の決まったときは「ゆっくり」とあらわし、km/hで示した方が良いと判断したときはkm/hで示す。
速度が5ノット以下で方向が決まらないときは「停滞」または「ほとんど停滞」とする。