Weather beach Plage des Demoiselles

Saint-Jean-de-Monts (85270)Lon : -2°3’,1836 W Lat : 46°46’,266 N Alt : 0m
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Weather Risk Briefing
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Wed
09
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BULLETIN

Reliability 65%
Wednesday 26 august Wednesday 26 aug
METEO CONSULT Run : 26/08 21Z Mesh : 4km Updated, 19min ago Update imminent

Wind

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

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
0
40
30
20
10
0
15
10
5
0
25
20
15
10
5
0
10
5
0
1
0.5
0
3
0
30
25
20
15
90
80
70
60
50
  • Thu 27
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
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  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
Run : 26/08 21Z Mesh : 4km Updated, 19min ago Update imminent
  • Thu 27
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 190° S S
  • 195° S SSW
  • 195° S SSW
  • 190° S S
  • 205° SW SSW
  • 215° SW SW
  • 220° SW SW
  • 225° SW SW
  • 220° SW SW
  • 225° SW SW
  • 235° SW SW
  • 240° SW WSW
  • 235° SW SW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 260° W WSW
  • 235° SW SW
  • 245° SW WSW
  • 250° W WSW
  • 250° W WSW
  • 255° W WSW
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 9 17 5 11 3
  • 7 13 4 8 3
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 3 6 2 4 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 6 11 3 7 2
  • 19 36 10 22 5
  • 18 34 9 21 5
  • 17 31 9 19 5
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 14 26 7 16 4
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 10 19 5 12 3
  • 9 17 5 11 3
  • 16 29 8 18 5
  • - - - - -
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  • >40 >80 >23 >50 >9
  • >40 >75 >22 >45 >9
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  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0.1
  • 0
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 205° SW SSW
  • 210° SW SSW
  • 215° SW SSW
  • 215° SW SW
  • 220° SW SW
  • 220° SW SW
  • 215° SW SW
  • 215° SW SW
  • 220° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 230° SW SW
  • 230° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
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  • 0.6
  • 0.6
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  • 0.6
  • 0.5
  • 5
  • 5
  • 5
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  • 45
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  • 40
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  • 45
  • 45
  • 40
  • 40
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  • 45
  • 50
  • 50
  • 50
  • 50
  • 50
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 1.3
  • 1.6
  • 2.2
  • 3.0
  • 3.8
  • 4.4
  • 4.6
  • 4.5
  • 3.9
  • 3.1
  • 2.3
  • 1.6
  • 1.3
  • 1.5
  • 2.1
  • 2.9
  • 3.9
  • 4.6
  • 5.0
  • 4.9
  • 4.3
  • 3.5
  • 2.5
  • 1.7
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
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  • 100
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  • 100
  • 55
  • 45
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  • 25
  • 50
  • 60
  • 50
  • 50
  • 45
  • 55
  • 60
  • 75
  • 65
  • 70
  • 65
  • 70
  • 25
  • 50
  • 75
  • 65
  • 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
  • 20
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 20
  • 20
  • 20
  • 20
  • 0
  • 0
  • 20
  • 40
  • 40
  • 20
  • 30
  • 35
  • 0
  • 0
  • 20
  • 20
  • 20
  • 20
  • 0
  • 0
  • 0
  • 10
  • 10
  • 10
  • 20
  • 20
  • 20
  • 20
  • 0
  • 0
  • 20
  • 40
  • 40
  • 20
  • 30
  • 30
  • 10
  • 10
  • 20
  • 20
  • >20
  • 15
  • 10
  • 15
  • 10
  • 10
  • 5
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 1006
  • 1007
  • 1007
  • 1008
  • 1008
  • 1008
  • 1008
  • 1008
  • 1008
  • 1009
  • 1009
  • 1009
  • 1009
  • 1010
  • 1010
  • 1009
  • 1010
  • 1009
  • 1009
  • 1009
  • 1009
  • 1010
  • 1010
  • 1011
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 3
  • 4
  • 5
  • 5
  • 5
  • 4
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
  • 21 69
  • 21 69
  • 20 69
  • 20 68
  • 20 67
  • 20 68
  • 20 67
  • 19 66
  • 19 66
  • 19 66
  • 20 68
  • 21 70
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  • 22 72
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  • 22 71
  • 22 71
  • 21 70
  • 21 70
  • 21 69
  • 20 69
  • 19 66
  • 18 64
  • 21 71
  • 21 70
  • 21 70
  • 21 71
  • 18 64
  • 17 63
  • 17 63
  • 17 62
  • 16 61
  • 16 61
  • 18 65
  • 24 75
  • 26 78
  • 25 76
  • 27 81
  • 28 82
  • 27 80
  • 27 81
  • 26 80
  • 26 79
  • 25 76
  • 23 73
  • 18 64
  • 16 60
  • 8 14 3 4 9
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 5 10 2 3 6
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 8 15 3 4 9
  • 8 15 3 4 9
  • 9 17 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 9 16 3 4 10
  • 8 15 3 4 9
  • 6 12 3 3 7
  • 6 12 3 3 7
  • 6 11 2 3 7
  • 8 15 3 4 9
  • 7 13 3 4 8
  • 6 12 3 3 7
  • 3 5 1 1 3
  • 4 7 2 2 4
  • 5 9 2 3 6
  • 5 10 2 3 6
  • 8 14 3 4 9
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.9
  • 0.9
  • 1
  • 1
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.9
Forecasts established in local time
Caption   Glossary

Expert opinion

Low 1003 hPa centered at 140 nautical miles in the North-West of Cape Ortegal (Spain) moving at 10 knots to the North-East to be centered at 170 nautical miles in the West of the Île de Sein.

For Plage des Demoiselles :
No gale warning.

We are 65% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, good clear periods but lots of cloud, too.
Possibility of showers SE wind force 3. Gusts reaching 19 knots in the evening. Smooth to slight sea. Low, short swell from SW. Excellent visibility.

semaphore stations

Station L Ile D Yeu located 23 km from Plage des Demoiselles
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
23h
230
17
26
21.6
-
0
22h
180
21
35
21.9
-
0
21h
210
10
15
22.8
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Gilles-Croix-de-Vie

63
High tide 04h39 4.42m
Low tide 10h36 1.57m
68
High tide 16h46 4.81m
Low tide 22h57 1.34m
www.shom.fr - © SHOM 2026 - Local times

Go further

Wed
26
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