Weather port Cassy - Port de Lanton

Lanton FRALon : -1°3’,402 W Lat : 44°42’,498 N Alt : 0m
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Sun
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Mon
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Wed
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Thu
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Fri
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Sat
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Sun
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Mon
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Tue
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Wed
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Thu
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BULLETIN

Reliability 90%
Friday 12 june Friday 12 jun
METEO CONSULT Run : 12/06 19Z Mesh : 4km Updated, 19min ago Update imminent

Wind

Average winds Average winds
Gusts
10m above ground level:
Direction
Speed
Gusts

Waves

Total sea (m) (m)
Swell height Swell (m) (m)
legend.title.wave_height
Total sea (m)
legend.title.wind_sea
Wind (m)
legend.title.swell
Swell direction
Swell height (m)
Swell period (s)
Wave length (m)
High tide (m)
Sea temp

Weather

Rain (mm) (mm)
Clouds:
Cloud cover (%)
Precipitation:
Amount of precipitation Amount of precipitation (mm)
Type of precipitation Type of precipitation
Risks:
Precipitation risk Precipitation risk (%)
Storm risk. (%)
Brightness:
Visibility (km)
Pressure (hPa)
UV

Temperature

Air temp Air temp
Perceived temp
Air temp
Perceived temp

Offshore

Offshore wind
Offshore sea (m)
20
15
10
5
40
30
20
10
0
10
5
0
25
20
15
10
5
10
5
0
0.5
0
3
0
40
30
20
10
110
100
90
80
70
60
50
  • Sat 13
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
Run : 12/06 19Z Mesh : 4km Updated, 19min ago Update imminent
  • Sat 13
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 90° E E
  • 65° NE ENE
  • 25° NE NNE
  • 30° NE NNE
  • 40° NE NE
  • 45° NE NE
  • 50° NE NE
  • 50° NE NE
  • 55° NE ENE
  • 65° NE ENE
  • 80° E ENE
  • 85° E E
  • 85° E E
  • 90° E E
  • 90° E E
  • 90° E E
  • 90° E E
  • 85° E E
  • 80° E E
  • 75° E ENE
  • 75° E ENE
  • 75° E ENE
  • 65° NE ENE
  • 60° NE ENE
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 5 10 3 6 2
  • 11 21 6 13 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 13 24 7 15 4
  • 15 28 8 17 4
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 18 33 9 21 5
  • 18 33 9 21 5
  • 17 32 9 20 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 16 29 8 18 5
  • 13 24 7 15 4
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 305° NW NW
  • 310° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 310° NW NW
  • 305° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 305° NW NW
  • 305° NW WNW
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 6
  • 6
  • 6
  • 7
  • 7
  • 7
  • 7
  • 8
  • 8
  • 8
  • 9
  • 9
  • 9
  • 9
  • 10
  • 10
  • 10
  • 8
  • 9
  • 10
  • 10
  • 10
  • 9
  • 9
  • 35
  • 40
  • 40
  • 45
  • 40
  • 50
  • 60
  • 60
  • 60
  • 60
  • 60
  • 80
  • 80
  • 90
  • 90
  • 80
  • 45
  • 30
  • 40
  • 45
  • 50
  • 45
  • 50
  • 80
  • 0.8
  • 1.0
  • 1.5
  • 2.2
  • 3.0
  • 3.6
  • 3.9
  • 3.9
  • 3.5
  • 2.7
  • 1.9
  • 1.2
  • 0.8
  • 0.8
  • 1.2
  • 1.8
  • 2.6
  • 3.4
  • 3.9
  • 4.1
  • 3.8
  • 3.1
  • 2.3
  • 1.5
  • 18 64
  • 17 63
  • 16 62
  • 20 67
  • 20 67
  • 20 67
  • 20 68
  • 20 68
  • 17 62
  • 17 62
  • 16 61
  • 16 61
  • 16 61
  • 17 62
  • 18 64
  • 19 66
  • 20 68
  • 21 70
  • 22 71
  • 21 70
  • 21 70
  • 21 70
  • 22 71
  • 22 71
  • 5
  • 0
  • 0
  • 5
  • 5
  • 10
  • 15
  • 15
  • 15
  • 15
  • 10
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 10
  • 10
  • 5
  • 5
  • 10
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • 15
  • >20
  • 15
  • 10
  • 5
  • 5
  • 5
  • 5
  • 5
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1026
  • 1027
  • 1027
  • 1026
  • 1026
  • 1026
  • 1025
  • 1025
  • 1025
  • 1025
  • 1025
  • 1024
  • 1024
  • 1023
  • 1023
  • 1022
  • 1022
  • 1021
  • 1020
  • 1020
  • 1019
  • 1019
  • 1018
  • 1018
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 3
  • 5
  • 7
  • 8
  • 9
  • 8
  • 7
  • 5
  • 3
  • 1
  • 0
  • 0
  • 21 70
  • 20 67
  • 18 64
  • 17 62
  • 16 61
  • 16 60
  • 16 60
  • 16 60
  • 15 60
  • 16 60
  • 17 63
  • 20 69
  • 23 74
  • 26 79
  • 28 82
  • 30 85
  • 31 88
  • 32 90
  • 33 91
  • 33 92
  • 33 92
  • 33 91
  • 32 89
  • 30 85
  • 22 72
  • 18 64
  • 16 60
  • 15 58
  • 14 57
  • 14 57
  • 14 56
  • 13 56
  • 13 56
  • 14 56
  • 16 61
  • 24 75
  • 28 83
  • 32 89
  • 32 90
  • 35 94
  • 36 98
  • 37 99
  • 38 100
  • 37 98
  • 36 96
  • 34 93
  • 32 89
  • 28 83
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 12 23 4 6 14
  • 12 22 4 6 14
  • 11 21 4 6 13
  • 12 22 4 6 14
  • 12 22 4 6 14
  • 12 23 4 6 14
  • 12 22 4 6 14
  • 11 21 4 6 13
  • 9 17 3 5 11
  • 6 12 3 3 7
  • 5 9 2 3 6
  • 5 10 2 3 6
  • 7 13 3 4 8
  • 9 17 3 5 11
  • 11 20 4 6 12
  • 11 20 4 6 12
  • 12 22 4 6 14
  • 13 24 4 7 15
  • 12 22 4 6 14
  • 11 20 4 6 12
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1
  • 1
  • 1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 1.3
  • 1.3
  • 1.3
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

High 1029 hPa centered at 240 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland) moving at 6 knots to the North-North-East.

For Cassy - Port de Lanton :
No gale warning.

We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, clear skies.
ESE wind force 2. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from NW. Good visibility.

semaphore stations

Station Cap-Ferret located 17 km from Cassy - Port de Lanton
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
20h
340
22
41
21.3
-
0
19h
340
22
43
22
-
0
18h
350
25
41
23.3
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Arcachon

64
High tide 03h26 3.81m
Low tide 09h30 0.87m
69
High tide 15h57 3.85m
Low tide 22h01 0.79m
www.shom.fr - © SHOM 2026 - Local times

Go further

Fri
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* +33 1 77 86 86 86: short number of forecasts for France accessible from France - €2.99 per call** 0899 70 12 34: number of forecasts for France and the World accessible from France - €2.99 per call



        
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