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%
Thursday 20 august Thursday 20 aug
METEO CONSULT Run : 9/08 12Z Mesh : 19km Updated, 4h 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
10
5
0
20
15
10
5
0
10
5
0
1.5
1
0.5
0
3
0
35
30
25
20
15
90
80
70
60
  • Thu 20
  • 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 : 9/08 12Z Mesh : 19km Updated, 4h ago Update in 2h
  • Thu 20
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 0° N N
  • 30° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 40° NE NE
  • 40° NE NE
  • 40° NE NE
  • 60° NE ENE
  • 60° NE ENE
  • 60° NE ENE
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 275° W W
  • 275° W W
  • 275° W W
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 310° NW NW
  • 310° NW NW
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.9
  • 0.9
  • 0.9
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.9
  • 0.9
  • 0.9
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 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
  • 110
  • 110
  • 110
  • 110
  • 110
  • 110
  • 110
  • 60
  • 60
  • 60
  • 110
  • 110
  • 110
  • 15
  • 15
  • 15
  • 20
  • 20
  • 20
  • 30
  • 30
  • 30
  • 25
  • 25
  • 3.7
  • 3.2
  • 2.8
  • 2.4
  • 2.1
  • 2.1
  • 2.5
  • 3.1
  • 3.7
  • 4.2
  • 4.2
  • 4.1
  • 3.8
  • 3.4
  • 3.0
  • 2.6
  • 2.4
  • 2.3
  • 2.4
  • 2.8
  • 3.4
  • 3.8
  • 4.0
  • 3.9
  • 20 69
  • 20 69
  • 20 69
  • 20 69
  • 20 69
  • 20 69
  • 20 69
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  • 20 69
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  • 25
  • 55
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  • 50
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  • 25
  • 25
  • 25
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • 0
  • 50
  • 50
  • 50
  • 25
  • 25
  • 25
  • 25
  • 25
  • 25
  • 30
  • 30
  • 30
  • 0
  • 0
  • 0
  • 30
  • 30
  • 30
  • 25
  • 25
  • 25
  • 20
  • 20
  • 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
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1017
  • 1017
  • 1017
  • 1017
  • 1017
  • 1017
  • 1017
  • 1017
  • 1017
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1016
  • 1017
  • 1017
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 3
  • 3
  • 3
  • 6
  • 6
  • 6
  • 3
  • 3
  • 3
  • 0
  • 0
  • 0
  • 0
  • 0
  • 23 73
  • 21 69
  • 21 69
  • 21 69
  • 20 68
  • 20 68
  • 20 68
  • 19 66
  • 19 66
  • 19 66
  • 22 71
  • 22 71
  • 22 71
  • 24 76
  • 24 76
  • 24 76
  • 24 74
  • 24 74
  • 24 74
  • 23 73
  • 23 73
  • 23 73
  • 22 71
  • 22 71
  • 24 74
  • 21 70
  • 21 70
  • 21 70
  • 18 64
  • 18 64
  • 18 64
  • 18 64
  • 18 64
  • 18 64
  • 26 80
  • 26 80
  • 26 80
  • 30 86
  • 30 86
  • 30 86
  • 28 83
  • 28 83
  • 28 83
  • 27 80
  • 27 80
  • 27 80
  • 22 71
  • 22 71
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 5 9 2 3 6
  • 5 9 2 3 6
  • 5 9 2 3 6
  • 2 4 1 1 2
  • 2 4 1 1 2
  • 2 4 1 1 2
  • 4 8 2 2 5
  • 4 8 2 2 5
  • 4 8 2 2 5
  • 8 15 3 4 9
  • 8 15 3 4 9
  • 8 15 3 4 9
  • 12 23 4 6 14
  • 12 23 4 6 14
  • 12 23 4 6 14
  • 11 20 4 6 12
  • 11 20 4 6 12
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 1
  • 1
  • 1
  • 1.1
  • 1.1
  • 1.1
  • 1
  • 1
Forecasts established in local time
Caption   Glossary

Expert opinion

A northeasterly, weak and particularly variable flow prevails over the South and the East of the basin. Over the North-West, it is northwesterly, weak and particularly variable.

For Plage de la Base Nautique :
No gale warning.


For the night from Wednesday to Thursday N force 3 in the early part of the night turning NE force 2. Gusts reaching 14 knots in the early part of the night.

Smooth to slight sea. Low from N. Excellent visibility. Daytime of Thursday 20 august : The sky will remain changeable.

Good clear periods alternating with cloudy spells, sometimes dense. Risk of some spots of rain in the morning, possibility of showers in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers ENE force 2 turning W force 3 in the middle of the day then WNW force 4. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low from N. Excellent visibility.

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
-
0
23h
340
14
20
20.6
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Fromentine

42
Low tide 04h42 2.1m
High tide 09h35 4.24m
36
Low tide 17h06 2.25m
High tide 21h57 4.01m
www.shom.fr - © SHOM 2026 - Local times

Go further

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