Weather beach Plage de Riez

Saint-Hilaire-de-Riez (85270)Lon : -1°58’,9164 W Lat : 46°43’,2 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 80%
Monday 21 september Monday 21 sep
METEO CONSULT Run : 20/09 15Z Mesh : 1km Updated, 3h ago Update in 25min

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
30
20
10
0
10
5
0
20
15
10
5
5
0
1
0.5
3
0
40
30
20
10
90
80
70
60
50
  • Mon 21
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Run : 20/09 15Z Mesh : 1km Updated, 3h ago Update in 25min
  • Mon 21
  • 00h
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  • 280° W W
  • 190° S S
  • 30° NE NNE
  • 40° NE NE
  • 35° NE NE
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  • 45° NE NE
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  • 35° NE NE
  • 30° NE NNE
  • 25° NE NNE
  • 25° NE NNE
  • 30° NE NNE
  • 35° NE NNE
  • 35° NE NE
  • 35° NE NE
  • 35° NE NE
  • 35° NE NE
  • 40° NE NE
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
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  • 5 10 3 6 2
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  • 6 11 3 7 2
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  • 6 12 3 7 3
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  • 5 10 3 6 2
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  • 6 12 3 7 3
  • 7 13 4 8 3
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  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 13 25 7 16 4
  • 14 26 7 16 4
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 11 21 6 13 4
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 0.6
  • 0.6
  • 0.6
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  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.5
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  • 0.5
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  • 0.5
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
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  • 245° SW WSW
  • 0.6
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  • 9
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  • 3.5
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  • 10
  • 5
  • 5
  • 4
  • 3
  • 2
  • 1
  • 1
  • 0.9
  • 2
  • 5
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1031
  • 1031
  • 1031
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  • 1031
  • 1031
  • 1031
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  • 1032
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  • 1028
  • 1028
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  • 1
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  • 2
  • 1
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  • 0.9
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  • 0.7
Forecasts established in local time
Caption   Glossary

Expert opinion

High 1027 hPa centered at 150 nautical miles in the West-South-West of the Île de Sein moving at 14 knots to the North-East and gaining strength to 1030 hPa to be centered off Breton Cape.

For Plage de Riez :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NE wind force 3 continuing all day. Gusts reaching 15 knots from the middle of the day. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by fog becoming excellent in the middle of the day.

semaphore stations

Station L Ile D Yeu located 27 km from Plage de Riez
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
00h
10
8
12
17.9
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0
23h
10
7
15
18.1
-
0
22h
0
9
15
18.3
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Gilles-Croix-de-Vie

24
High tide 01h59 3.76m
Low tide 07h30 2.55m
29
High tide 14h16 4.06m
Low tide 20h13 2.33m
www.shom.fr - © SHOM 2026 - Local times

Go further

Mon
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