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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BULLETIN

Reliability 75%
Thursday 17 september Thursday 17 sep
METEO CONSULT Run : 16/09 18Z Mesh : 1km Updated, 1h ago Update in 2h

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
0
40
30
20
10
0
15
10
5
0
30
20
10
0
10
5
0
1
0.5
3
0
25
20
15
10
80
70
60
50
  • Fri 18
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
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  • 11h
  • 12h
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  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
Run : 16/09 18Z Mesh : 1km Updated, 1h ago Update in 2h
  • Fri 18
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 320° NW NW
  • 325° NW NW
  • 330° NW NNW
  • 350° N N
  • 335° NW NNW
  • 325° NW NW
  • 325° NW NW
  • 295° NW WNW
  • 255° W WSW
  • 255° W WSW
  • 265° W W
  • 265° W W
  • 260° W W
  • 255° W WSW
  • 255° W WSW
  • 255° W WSW
  • 260° W W
  • 260° W W
  • 255° W WSW
  • 265° W W
  • 280° W W
  • 300° NW WNW
  • 315° NW NW
  • 320° NW NW
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 6 12 3 7 3
  • 4 8 2 5 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 2 4 1 2 1
  • 5 10 3 6 2
  • 9 16 4 10 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 15 28 8 17 4
  • 14 26 7 16 4
  • 12 22 6 14 4
  • 10 19 5 12 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 11 3 7 2
  • 8 15 4 9 3
  • 11 20 6 12 4
  • 15 27 8 17 4
  • 16 30 8 19 5
  • 18 33 9 21 5
  • 18 33 9 21 5
  • 19 35 10 22 5
  • 19 36 10 22 5
  • 19 36 10 22 5
  • 19 36 10 22 5
  • 19 35 10 22 5
  • 18 33 9 21 5
  • 17 32 9 20 5
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.3
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.3
  • 0.3
  • 0.2
  • 0.3
  • 0.2
  • 250° W WSW
  • 255° W WSW
  • 255° W WSW
  • 255° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 250° W WSW
  • 245° SW WSW
  • 225° SW SW
  • 235° SW SW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 250° W WSW
  • 235° SW WSW
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 10
  • 9
  • 9
  • 10
  • 9
  • 9
  • 9
  • 9
  • 10
  • 9
  • 10
  • 10
  • 10
  • 9
  • 9
  • 9
  • 9
  • 7
  • 7
  • 5
  • 5
  • 5
  • 8
  • 6
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 150
  • 140
  • 140
  • 130
  • 130
  • 120
  • 110
  • 50
  • 35
  • 50
  • 50
  • 100
  • 100
  • 110
  • 2.4
  • 1.9
  • 1.8
  • 2.0
  • 2.5
  • 3.3
  • 3.9
  • 4.4
  • 4.4
  • 4.2
  • 3.7
  • 3.2
  • 2.6
  • 2.2
  • 1.9
  • 2.0
  • 2.4
  • 3.0
  • 3.6
  • 4.1
  • 4.2
  • 4.0
  • 3.7
  • 3.3
  • 20 68
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  • 0
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  • 15
  • 25
  • 45
  • 40
  • 50
  • 55
  • 85
  • 90
  • 60
  • 70
  • 70
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 90
  • 75
  • 50
  • 35
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.3
  • 0.2
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 20
  • 45
  • 80
  • 90
  • 90
  • 45
  • 35
  • 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
  • >20
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1022
  • 1022
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  • 1021
  • 1021
  • 1021
  • 1021
  • 1020
  • 1020
  • 1020
  • 1020
  • 1020
  • 1020
  • 1019
  • 1019
  • 1018
  • 1018
  • 1017
  • 1017
  • 1016
  • 1017
  • 1017
  • 1017
  • 1018
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 3
  • 3
  • 4
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 16 60
  • 15 60
  • 15 58
  • 14 57
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 14 57
  • 17 62
  • 18 65
  • 19 67
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  • 20 68
  • 20 68
  • 20 67
  • 19 67
  • 19 66
  • 19 66
  • 18 65
  • 18 64
  • 18 64
  • 17 63
  • 16 62
  • 12 54
  • 12 54
  • 12 54
  • 12 54
  • 12 53
  • 12 53
  • 12 54
  • 12 54
  • 14 57
  • 16 60
  • 17 63
  • 19 67
  • 21 70
  • 23 74
  • 20 68
  • 18 64
  • 17 62
  • 16 60
  • 15 59
  • 15 59
  • 15 59
  • 15 58
  • 14 57
  • 13 55
  • 14 26 4 7 16
  • 13 24 4 7 15
  • 11 20 4 6 12
  • 7 13 3 4 8
  • 6 12 3 3 7
  • 8 14 3 4 9
  • 6 11 2 3 7
  • 6 12 3 3 7
  • 6 12 3 3 7
  • 9 17 3 5 11
  • 11 20 4 6 12
  • 12 22 4 6 14
  • 12 22 4 6 14
  • 12 23 4 6 14
  • 13 24 4 7 15
  • 13 25 4 7 16
  • 14 26 4 7 16
  • 15 27 4 8 17
  • 14 26 4 7 16
  • 15 27 4 8 17
  • 12 23 4 6 14
  • 13 24 4 7 15
  • 15 28 4 8 17
  • 15 28 4 8 17
  • 1.2
  • 1.2
  • 1.2
  • 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
  • 1.1
  • 1.1
  • 1.1
Forecasts established in local time
Caption   Glossary

Expert opinion

A northerly and variable flow prevails over the South and the East of the basin. Over the North-West, it is southwesterly, strong and very variable.

For Plage des Demoiselles :
No gale warning.

We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy skies. Becoming more changeable for a time in the morning. The risk of seeing rain will remain low. In the evening, overcast skies but some breaks developing.
Light showers. W force 3 becoming WSW force 4 in the middle of the day then W. Gusts reaching 19 knots from the middle of the day. Slight sea. Low, fairly long swell from WSW. Good visibility becoming excellent in the middle of the day.

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)
01h
330
9
15
16.6
-
0
00h
330
9
15
16.7
-
0
23h
320
9
16
16.8
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Gilles-Croix-de-Vie

56
Low tide 03h04 1.78m
High tide 08h33 4.43m
49
Low tide 15h24 1.92m
High tide 20h50 4.18m
www.shom.fr - © SHOM 2026 - Local times

Go further

Thu
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