The Beaufort Wind Scale 蒲福氏風級表
W = 0.837 F1.5 m/s W = 1.627 F1.5 knots W = 1.872 F1.5 mph W = 3.013 F1.5 km/h
Force 風級 (F)	Wind Speed 風速 (W)				Name by WMO 世界氣象組織 提供名稱	Effects on Land / Sea 狀況：陸上 / 海上
	m/s 公尺/秒	knots 海浬/時	mph 英哩/時	km/h 公里/時
0	0-0.2	0-1	0-1	0-1	Calm 無風	Smoke rises vertically. 輕煙垂直上升。 Sea is as calm as a mirror. 海面平靜如鏡。
1	0.3-1.5	1-3	1-3	1-5	Light Air 軟風	Smoke drifts slowly. 輕煙徐徐飄揚。 Scaly ripples, no foam crests. 鱗片狀柔和波紋，無白沫。
2	1.6-3.3	4-6	4-7	6-11	Light Breeze 輕風	Wind felt on face, leaves rustle. 臉部始覺有風，樹葉微動。 Glassy crests, not breaking. 玻璃狀之浪峰而不破碎。
3	3.4-5.4	7-10	8-12	12-19	Gentle Breeze 微風	Leaves and flags in motion. 樹葉擺動，旗幟開始飄揚。 Larger crests breaking, scattered whitecaps. 浪峰較大，開始破碎， 間中有白頭浪。
4	5.5-7.9	11-16	13-18	20-28	Moderate Breeze 和風	Small branches move, loose paper raised into the air. 小樹枝擺動，碎紙飄揚。 Small waves growing longer, numerous whitecaps. 有小浪，並開始拖長， 白頭浪較頻密。
5	8.0-10.7	17-21	19-24	29-38	Fresh Breeze 清風	Small trees sway. 小樹開始擺動。 Moderate waves in longer form, many white caps, some spray. 有中浪，並顯著拖長， 更多白頭浪，間中有浪花。
6	10.8-13.8	22-27	25-31	39-49	Strong Breeze 強風	Large branches sway, whistling heard in power wires, umbrellas used with difficulty. 大樹枝擺動， 電線發出嘯聲， 使用雨傘開始感到困難。 Larger waves, more spray, whitecaps seen everywhere. 有大浪，浪花較多， 白頭浪廣泛出現。
7	13.9-17.1	28-33	32-38	50-61	Near Gale 疾風	Whole trees moving, resistance felt walking against the wind. 全樹擺動，逆風而行受阻。 Heaps of waves, streaks of foam from breaking waves. 海浪堆疊，白沫吹成條紋。
8	17.2-20.7	34-40	39-46	62-74	Gale 大風	Twigs break off, walking against the wind impeded. 小樹枝折斷， 逆風而行舉步維艱。 Fairly high waves of greater length, well-marked streaks. 中高浪，海浪更長， 條紋更覺顯著。
9	20.8-24.4	41-47	47-54	75-88	Strong Gale 烈風	Large branches break off, slight structural damage. 大樹枝折斷， 建築物輕微損毀。 High waves, rolling sea, dense streaks. Visibility reduces. 高浪洶湧，條紋濃厚， 視野開始受阻。
10	24.5-28.4	48-55	55-63	89-102	Storm 狂風	Trees uprooted, significant structural damage. 狂風把樹木連根拔起， 建築物受明顯破壞。 Sea is white in foam with very high waves colliding each other. Heavy rolling sea with further reduced visibility. 海面白茫茫，非常大浪， 波濤互相衝擊，視野受阻。
11	28.5-32.6	56-63	64-72	103-117	Violent Storm 暴風	Widespread damage. 廣泛破壞。 Exceptionally high waves, sea covered with white foam. Violent rolling sea with significantly reduced visibility. 有巨浪，白沫遍佈海面， 波濤澎湃，視野明顯受阻。
12	32.7-36.9	64-71	73-82	118-133	Hurricane 颶風	Violent movement of trees. Extreme damage. This is seldom encountered on land. 大樹劇烈搖晃，極度破壞。 陸上甚少見此情況。 Phenomenal waves, air filled with foam and driving spray. Visibility greatly reduced. 有如排山倒海之極巨浪， 浪花四射，視野嚴重受阻。
Extended Version 增訂版本
13	37.0-41.4	72-80	83-92	134-149	Hurricane 颶風	Maximum and extensive damage. These are rarely encountered on land. 最嚴重及廣泛破壞。 陸上極罕見這些情況。 Phenomenal waves, air filled with foam and driving spray. Visibility greatly reduced. 有如排山倒海之極巨浪， 浪花四射，視野嚴重受阻。
14	41.5-46.1	81-89	93-103	150-166
15	46.2-50.9	90-99	104-114	167-183
16	51.0-56.0	100-108	115-124	184-201
17	56.1-61.2	109-119	125-137	202-220