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forecasts

FOR HOISTING THE SAILS ON THE BEST DAYS

windfinder

Wind and weather in Laredo, Cantabria

Tools to help you plan ahead for your sailing trip with weather and wind forecasts for the Laredo area:

  • Wind speed.
  • Real-time wind.
  • Wind map.

Wind speed table for conversion of knots, Beaufort, m/s and km/h.

Beaufort
Knots
m/s
km/h
mph
Label
Beaufort:
0
Knots:
1
m/s:
0 - 0.2
km/h:
1
mph:
1
Label:
Calm
Beaufort:
1
Knots:
1-3
m/s:
0.3-1.5
km/h:
1-5
mph:
1-3
Label:
Light air
Beaufort:
2
Knots:
4-6
m/s:
1.6-3.3
km/h:
6-11
mph:
4-7
Label:
Light breeze
Beaufort:
3
Knots:
7-10
m/s:
3.4-5.4
km/h:
12-19
mph:
8-12
Label:
Gentle breeze
Beaufort:
4
Knots:
11-15
m/s:
5.5-7.9
km/h:
20-28
mph:
13-17
Label:
Moderate breeze
Beaufort:
5
Knots:
16-21
m/s:
8.0-10.7
km/h:
29-38
mph:
18-24
Label:
Fresh breeze
Beaufort:
6
Knots:
22-27
m/s:
10.8-13.8
km/h:
39-49
mph:
25-30
Label:
Strong breeze
Beaufort:
7
Knots:
28-33
m/s:
13.9-17.1
km/h:
50-61
mph:
31-38
Label:
High wind, moderate gale
Beaufort:
8
Knots:
34-40
m/s:
17.2-20.7
km/h:
62-74
mph:
39-46
Label:
Gale, fresh gale
Beaufort:
9
Knots:
41-47
m/s:
20.8-24.4
km/h:
75-88
mph:
47-54
Label:
Strong / severe gale
Beaufort:
10
Knots:
48-55
m/s:
24.5-28.4
km/h:
89-102
mph:
55-63
Label:
Storm, whole gale
Beaufort:
11
Knots:
56-63
m/s:
28.5-32.6
km/h:
103-117
mph:
64-73
Label:
Violent storm
Beaufort:
12
Knots:
64-71
m/s:
>32.7
km/h:
>118
mph:
>74
Label:
Hurricane force

Impact of wind speed on land and sea

Wind speed (Knots)
Label
Effect at sea
Effect on land
Wind speed (Knots):
1
Label:
Calm
Effect at sea:
Smooth and mirror-like.
Effect on land:
Calm. Smoke rises vertically.
Wind speed (Knots):
1-3
Label:
Light air
Effect at sea:
Small ripples, but no foam.
Effect on land:
Direction shown by smoke drift but not by wind vanes.
Wind speed (Knots):
4-6
Label:
Light breeze
Effect at sea:
Small but more pronounced wavelets. Ridges of glassy appearance.
Effect on land:
The wind is felt on the skin and the leaves of the trees move.
Wind speed (Knots):
7-10
Label:
Gentle breeze
Effect at sea:
Large wavelets, breaking ridges. Foam with glassy appearance. Scattered whitecaps may be present.
Effect on land:
Leaves and small twigs in constant motion; light flags extended.
Wind speed (Knots):
11-15
Label:
Moderate breeze
Effect at sea:
Small waves becoming longer; fairly frequent white horses.
Effect on land:
Raises dust and loose paper; small branches moved.
Wind speed (Knots):
16-21
Label:
Fresh breeze
Effect at sea:
Moderate waves taking a more pronounced long form; many white horses are formed; chance of some spray
Effect on land:
Small trees in leaf begin to sway; crested wavelets form on inland waters.
Wind speed (Knots):
22-27
Label:
Strong breeze
Effect at sea:
Large waves begin to form; the white foam crests are more extensive everywhere; probably some spray
Effect on land:
Large branches in motion; whistling heard in telegraph wires; umbrellas used with difficulty.
Wind speed (Knots):
28-33
Label:
High wind, moderate gale
Effect at sea:
Sea heaps up and white foam from breaking waves begins to be blown in streaks along the direction of the wind; spindrift begins to be seen
Effect on land:
Whole trees in motion; inconvenience felt when walking against the wind.
Wind speed (Knots):
34-40
Label:
Gale, fresh gale
Effect at sea:
Moderately high waves of greater length; edges of crests break into spindrift; foam is blown in well-marked streaks along the direction of the wind.
Effect on land:
Twigs break off trees; generally impedes progress. Cars turn sharply.
Wind speed (Knots):
41-47
Label:
Strong / severe gale
Effect at sea:
High waves; dense streaks of foam along the direction of the wind; sea begins to roll; spray affects visibility.
Effect on land:
Larger tree branches start to break, and some small trees are blown away by the wind. Construction/temporary signs and barriers are also blown away by the wind. Damage to circus tents and canopies.
Wind speed (Knots):
48-55
Label:
Storm, whole gale
Effect at sea:
Very high waves with long overhanging crests; resulting foam in great patches is blown in dense white streaks along the direction of the wind; on the whole the surface of the sea takes on a white appearance; rolling of the sea becomes heavy; visibility affected.
Effect on land:
Trees are broken or uprooted, shoots are twisted and deformed. Poorly laid tiles and shingles in poor condition detach from the roof.
Wind speed (Knots):
56-63
Label:
Violent storm
Effect at sea:
Exceptionally high waves; small- and medium-sized ships might be for a long time lost to view behind the waves; sea is covered with long white patches of foam; everywhere the edges of the wave crests are blown into foam; visibility affected.
Effect on land:
Widespread damage to vegetation. Further damage to most roofs, tiles that have broken or come off could split completely.
Wind speed (Knots):
64-71
Label:
Hurricane force
Effect at sea:
The air is filled with foam and spray; sea is completely white with driving spray; visibility very seriously affected.
Effect on land:
Significant and widespread damage to vegetation, some broken windows, structural damage to mobile homes and poorly constructed sheds and barns. Debris could be blown into the air.