Weather beach Plage de la Mare

Saint-Cast-le-Guildo (22380)Lon : -2°15’,4164 W Lat : 48°38’,586 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 70%
Friday 21 august Friday 21 aug
METEO CONSULT Run : 21/08 00Z Mesh : 1km Updated, 2h 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)
25
20
15
10
5
0
40
30
20
10
0
15
10
5
0
30
20
10
0
10
5
0
1
0.5
0
3
0
25
20
15
10
70
65
60
55
50
  • Sat 22
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  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
Run : 21/08 00Z Mesh : 1km Updated, 2h ago Update in 1h
  • Sat 22
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 300° NW WNW
  • 305° NW NW
  • 310° NW NW
  • 315° NW NW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 335° NW NNW
  • 340° N NNW
  • 340° N NNW
  • 345° N NNW
  • 340° N NNW
  • 335° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 340° N NNW
  • 345° N NNW
  • 225° SW SW
  • 14 26 7 16 4
  • 12 23 6 14 4
  • 11 20 6 12 4
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 21 39 11 24 6
  • 19 36 10 22 5
  • 18 33 9 21 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 29 8 18 5
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 14 26 7 16 4
  • 13 24 7 15 4
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0.1
  • 0.1
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 325° NW NNW
  • 330° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 340° N NNW
  • 330° NW NNW
  • 335° NW NNW
  • 0° 0 0
  • 335° NW NNW
  • 335° NW NNW
  • 345° N NNW
  • 350° N NNW
  • 345° N NNW
  • 330° NW NNW
  • 325° NW NW
  • 0.5
  • 0.5
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  • 0.3
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  • 0.3
  • 0.3
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  • 0.3
  • 0.4
  • 0.4
  • 0.4
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  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 5
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  • 4
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  • 3
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  • 110
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  • 100
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  • 90
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  • 80
  • 35
  • 35
  • 35
  • 35
  • 80
  • 70
  • 30
  • 35
  • 4.7
  • 4.7
  • 5.3
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  • 7.3
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  • 8.5
  • 8.1
  • 7.4
  • 6.5
  • 5.7
  • 5.2
  • 4.9
  • 5.1
  • 5.7
  • 6.5
  • 7.3
  • 7.9
  • 8.1
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  • 7.5
  • 6.9
  • 6.2
  • 21 69
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  • 55
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  • 35
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  • 20
  • 40
  • 30
  • 0
  • 0
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  • 0
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  • 0
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  • 0
  • 0
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  • 0
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  • 0
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  • -
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  • 20
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  • 40
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  • 20
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 10
  • 10
  • 10
  • 10
  • 20
  • 20
  • 20
  • 20
  • 10
  • 10
  • 0
  • 0
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  • 0
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  • >20
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  • 1012
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  • 1018
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  • 0
  • 0
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  • 1
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  • 4
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  • 4
  • 4
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 16 60
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  • 13 56
  • 12 22 4 6 14
  • 11 21 4 6 13
  • 10 19 3 5 12
  • 10 18 3 5 11
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  • 9 17 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 10 18 3 5 11
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  • 11 20 4 6 12
  • 11 21 4 6 13
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  • 11 20 4 6 12
  • 10 19 3 5 12
  • 9 17 3 5 11
  • 9 16 3 4 10
  • 8 14 3 4 9
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 5 9 2 3 6
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
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  • 0.4
Forecasts established in local time
Caption   Glossary

Expert opinion

A northerly and variable flow prevails over the whole area.

For Plage de la Mare :
No gale warning.

We are 70% sure of the situation, because the high pressure system could move in more quickly than forecast.

Cloud and long sunny periods. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Possibility of showers NW force 4 in the morning becoming NNW force 3 in the middle of the day. Gusts reaching 22 knots in the morning. Smooth to slight sea. Low, short swell from NNW. Excellent visibility.

semaphore stations

Station Dinard located 15 km from Plage de la Mare
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
07h
250
10
15
13.7
1012
10
06h
240
8
16
13.8
1012
12
05h
240
12
16
14.3
1012
3
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

36
High tide 00h48 8.88m
Low tide 07h29 4.62m
30
High tide 13h18 8.61m
Low tide 20h07 4.92m
www.shom.fr - © SHOM 2026 - Local times

Go further

Fri
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