Weather beach Plage de la Base Nautique

Saint-Jean-de-Monts (85160)Lon : -2°5’,0334 W Lat : 46°47’,214 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 55%
Monday 17 august Monday 17 aug
METEO CONSULT Run : 9/08 12Z Mesh : 19km Updated, 5h ago Update in 1h

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
10
5
0
25
20
15
10
5
10
5
0
1
0.5
0
3
0
35
30
25
20
15
90
80
70
60
50
  • Mon 17
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
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  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 9/08 12Z Mesh : 19km Updated, 5h ago Update in 1h
  • Mon 17
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 355° N N
  • 5° N N
  • 15° N NNE
  • 25° NE NNE
  • 30° NE NNE
  • 35° NE NE
  • 35° NE NE
  • 35° NE NE
  • 35° NE NE
  • 35° NE NE
  • 30° NE NNE
  • 25° NE NNE
  • 15° N NNE
  • 355° N N
  • 335° NW NNW
  • 325° NW NW
  • 315° NW NW
  • 310° NW NW
  • 320° NW NW
  • 330° NW NNW
  • 335° NW NNW
  • 350° N N
  • 0° N N
  • 15° N NNE
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 16 29 8 18 5
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 20 6 12 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 13 25 7 16 4
  • 14 26 7 16 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 17 32 9 20 5
  • 0.9
  • 0.9
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 285° W WNW
  • 290° W WNW
  • 290° W WNW
  • 285° W WNW
  • 285° W WNW
  • 285° W WNW
  • 285° W WNW
  • 290° W WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 0.8
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  • 0.7
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  • 0.7
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  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
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  • 0.4
  • 0.4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
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  • 4
  • 4
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  • 4
  • 5
  • 4
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  • 20
  • 25
  • 30
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  • 25
  • 25
  • 25
  • 25
  • 25
  • 25
  • 25
  • 15
  • 15
  • 20
  • 2.5
  • 1.7
  • 1.2
  • 1.1
  • 1.7
  • 2.8
  • 4.0
  • 4.9
  • 5.1
  • 4.9
  • 4.3
  • 3.5
  • 2.6
  • 1.9
  • 1.4
  • 1.2
  • 1.6
  • 2.6
  • 3.8
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  • 5.2
  • 5.0
  • 4.5
  • 3.8
  • 20 68
  • 20 68
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  • 60
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  • 55
  • 55
  • 55
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  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 40
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 25
  • 30
  • 25
  • 35
  • 45
  • 50
  • 50
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  • 30
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  • 35
  • 25
  • 25
  • 35
  • 30
  • 50
  • 50
  • 50
  • 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
  • 10
  • 10
  • 15
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1014
  • 1014
  • 1014
  • 1014
  • 1013
  • 1013
  • 1014
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  • 1014
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  • 1015
  • 1015
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  • 1015
  • 1015
  • 1015
  • 1015
  • 1014
  • 1014
  • 1014
  • 1015
  • 1015
  • 1016
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 3
  • 4
  • 5
  • 6
  • 5
  • 4
  • 3
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 20 68
  • 20 67
  • 19 67
  • 19 66
  • 19 66
  • 18 65
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  • 19 66
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  • 18 64
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  • 16 60
  • 17 63
  • 19 66
  • 24 74
  • 26 78
  • 28 83
  • 30 86
  • 30 86
  • 30 86
  • 30 87
  • 29 84
  • 28 82
  • 27 80
  • 25 77
  • 23 74
  • 22 71
  • 8 15 3 4 9
  • 7 13 3 4 8
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 12 3 3 7
  • 6 12 3 3 7
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 8 14 3 4 9
  • 6 12 3 3 7
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 12 3 3 7
  • 7 13 3 4 8
  • 8 15 3 4 9
  • 9 16 3 4 10
  • 9 17 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 11 20 4 6 12
  • 1.1
  • 1.1
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
Forecasts established in local time
Caption   Glossary

Expert opinion

A northerly, weak and particularly variable flow prevails over the whole area.

For Plage de la Base Nautique :
No gale warning.


For the night from Sunday to Monday N force 2 in the early part of the night turning NE. Gusts reaching 16 knots in the early part of the night.

Slight sea. Low, short swell from WNW. Excellent visibility becoming good in the middle of the night then good. Daytime of Monday 17 august : The unstable weather will die away during the day.

Skies changeable to very cloudy. Some light showers in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Showers towards the end of the night. NNE force 3 in the morning turning NNW in the middle of the day. Gusts reaching 17 knots in the evening. Slight sea becoming smooth to slight in the middle of the day. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day.

semaphore stations

Station L Ile D Yeu located 22 km from Plage de la Base Nautique
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
01h
340
14
21
20.1
-
0
00h
340
13
19
20.3
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0
23h
340
14
20
20.6
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Fromentine

84
Low tide 02h47 1.08m
High tide 07h44 5.15m
78
Low tide 14h58 1.22m
High tide 20h01 5.16m
www.shom.fr - © SHOM 2026 - Local times

Go further

Mon
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