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%
Friday 21 august Friday 21 aug
METEO CONSULT Run : 8/08 12Z Mesh : 19km Updated, 9h ago Update imminent

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
25
20
15
10
5
0
10
5
0
1
0.5
0
3
0
30
25
20
15
80
75
70
65
60
  • Fri 21
  • 00h
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  • 19h
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  • 23h
Run : 8/08 12Z Mesh : 19km Updated, 9h ago Update imminent
  • Fri 21
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
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  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 315° NW NW
  • 355° N N
  • 355° N N
  • 355° N N
  • 350° N N
  • 350° N N
  • 350° N N
  • 355° N N
  • 355° N N
  • 355° N N
  • 270° W W
  • 270° W W
  • 270° W W
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 265° W W
  • 265° W W
  • 265° W W
  • 280° W W
  • 280° W W
  • 280° W W
  • 275° W W
  • 275° W W
  • 8 14 4 9 3
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 14 26 7 16 4
  • 14 26 7 16 4
  • 14 26 7 16 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 18 33 9 21 5
  • 18 33 9 21 5
  • 18 33 9 21 5
  • 19 35 10 22 5
  • 19 35 10 22 5
  • 19 35 10 22 5
  • 17 32 9 20 5
  • 17 32 9 20 5
  • 0.8
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  • 0.6
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  • 0.5
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  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.8
  • 0.7
  • 0.7
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  • 0.6
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  • 0.5
  • 0.5
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  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 255° W WSW
  • 255° W WSW
  • 255° W WSW
  • 0
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  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
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  • 0.2
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  • 9
  • 9
  • 9
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  • 170
  • 160
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  • 150
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  • 140
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  • 140
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  • 3.7
  • 3.5
  • 3.1
  • 2.8
  • 2.6
  • 2.4
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  • 2.6
  • 3.0
  • 3.4
  • 3.8
  • 3.9
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  • 3.7
  • 3.4
  • 3.1
  • 2.8
  • 2.6
  • 2.5
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  • 2.7
  • 3.0
  • 3.2
  • 3.5
  • 19 67
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  • 55
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  • 30
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  • 50
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  • 0
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  • -
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  • 55
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  • 45
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  • 20
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  • >20
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  • 1016
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  • 1015
  • 1014
  • 1014
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  • 1014
  • 1014
  • 1014
  • 1014
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 3
  • 3
  • 3
  • 6
  • 6
  • 6
  • 3
  • 3
  • 3
  • 0
  • 0
  • 0
  • 0
  • 0
  • 20 69
  • 19 66
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  • 20 68
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  • 22 72
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  • 17 63
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  • 20 68
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  • 10 18 3 5 11
  • 6 12 3 3 7
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  • 6 12 3 3 7
  • 5 10 2 3 6
  • 5 10 2 3 6
  • 5 10 2 3 6
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  • 4 8 2 2 5
  • 8 15 3 4 9
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  • 8 15 3 4 9
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 13 24 4 7 15
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 0.9
  • 0.8
  • 0.8
  • 0.8
  • 0.7
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  • 0.5
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  • 0.4
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  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
Forecasts established in local time
Caption   Glossary

Expert opinion

For Plage de la Base Nautique :
No gale warning.


For the night from Thursday to Friday NW force 3 in the early part of the night turning N force 2. Gusts reaching 16 knots until the middle of the night.

Slight sea becoming smooth to slight at the end of the night. Low from N. Excellent visibility. Daytime of Friday 21 august : The unsettled weather will become more unpredictable in the second half of the day.

Good clear periods alternating with cloudy spells, sometimes dense. Risk of showers in the morning, light showers dying away progressively in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers N force 2 turning WSW force 3 in the middle of the day then W force 4. Gusts reaching 19 knots in the evening. Smooth to slight sea becoming smooth in the evening. 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)
06h
330
9
16
17.8
-
0
05h
310
10
13
18.3
-
11
04h
20
4
21
18.9
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Fromentine

30
Low tide 05h36 2.41m
High tide 11h07 3.91m
Low tide 18h11 2.5m
www.shom.fr - © SHOM 2026 - Local times

Go further

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