Weather port Cassy - Port de Lanton

Lanton FRALon : -1°3’,402 W Lat : 44°42’,498 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 80%
Wednesday 12 august Wednesday 12 aug
METEO CONSULT Run : 11/08 18Z Mesh : 1km Updated, 17min ago Update in 3h

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)
15
10
5
0
30
20
10
0
10
5
0
20
15
10
5
0
5
0
0.5
0
3
0
50
40
30
20
110
100
90
80
70
60
  • Wed 12
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 11/08 18Z Mesh : 1km Updated, 17min ago Update in 3h
  • Wed 12
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 55° NE NE
  • 125° SE SE
  • 210° SW SSW
  • 10° N N
  • 350° N N
  • 345° N NNW
  • 280° W W
  • 0° 0 0
  • 35° NE NNE
  • 80° E E
  • 145° SE SE
  • 160° S SSE
  • 205° SW SSW
  • 260° W WSW
  • 270° W W
  • 280° W W
  • 295° NW WNW
  • 305° NW NW
  • 320° NW NW
  • 330° NW NNW
  • 340° N NNW
  • 355° N N
  • 15° N NNE
  • 25° NE NNE
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 1 2 1 1 1
  • 1 1 0 1 1
  • 2 3 1 2 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 1 2 1 1 1
  • 3 6 2 4 2
  • 5 9 3 6 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 15 4 9 3
  • 11 20 6 12 4
  • 12 23 6 14 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 310° NW NW
  • 310° NW NW
  • 310° 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 NW
  • 305° NW NW
  • 305° NW WNW
  • 305° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 295° NW WNW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 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
  • 5
  • 5
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  • 6
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  • 5
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  • 35
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  • 60
  • 50
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  • 25
  • 8
  • 10
  • 15
  • 20
  • 20
  • 20
  • 25
  • 0.5
  • 0.8
  • 1.6
  • 2.4
  • 3.3
  • 3.9
  • 4.1
  • 3.9
  • 3.2
  • 2.3
  • 1.5
  • 0.8
  • 0.6
  • 0.8
  • 1.4
  • 2.3
  • 3.3
  • 4.0
  • 4.4
  • 4.3
  • 3.7
  • 2.8
  • 1.8
  • 0.9
  • 25 78
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  • 5
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  • 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
  • -
  • -
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  • -
  • -
  • -
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  • -
  • -
  • -
  • -
  • -
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  • -
  • -
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  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
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  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
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  • >20
  • >20
  • 1017
  • 1017
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  • 1017
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  • 1018
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  • 1018
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 4
  • 5
  • 7
  • 7
  • 7
  • 5
  • 4
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 24 75
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  • 21 69
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  • 34 94
  • 32 90
  • 28 82
  • 30 85
  • 29 83
  • 8 15 3 4 9
  • 8 14 3 4 9
  • 6 12 3 3 7
  • 4 7 2 2 4
  • 4 7 2 2 4
  • 5 9 2 3 6
  • 4 8 2 2 5
  • 4 7 2 2 4
  • 4 7 2 2 4
  • 4 7 2 2 4
  • 4 7 2 2 4
  • 2 3 1 1 2
  • 2 3 1 1 2
  • 3 6 2 2 4
  • 4 8 2 2 5
  • 6 12 3 3 7
  • 8 14 3 4 9
  • 9 17 3 5 11
  • 9 17 3 5 11
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 11 20 4 6 12
  • 11 21 4 6 13
  • 0.6
  • 0.6
  • 0.6
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  • 0.5
  • 0.5
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  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

An easterly and variable flow prevails over the East of the basin. Over the West, it is southerly, moderate and very variable.

For Cassy - Port de Lanton :
No gale warning.

The reliability of the situation is assessed at 80%.

Warm sun all day. In the evening, clear skies.
ENE force 1 freshening W force 3 in the middle of the day then becoming NNW. Gusts reaching 14 knots in the evening. Rippled sea becoming smooth in the middle of the day. Low, short swell from NW. Good visibility becoming excellent in the middle of the day.

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)
00h
20
8
24
23.4
-
0
23h
0
16
28
24.2
-
9
22h
0
16
29
24.2
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Arcachon

87
High tide 05h57 4.11m
Low tide 12h03 0.56m
93
High tide 18h17 4.44m
www.shom.fr - © SHOM 2026 - Local times

Go further

Wed
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