Weather port Saint-Briac-sur-Mer

Saint-Briac-sur-Mer FRALon : -2°8’,3094 W Lat : 48°37’,506 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 55%
Tuesday 25 august Tuesday 25 aug
METEO CONSULT Run : 13/08 12Z Mesh : 19km Updated, 6h ago Update in 13min

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
0.5
0
3
0
30
25
20
15
10
80
70
60
50
  • Tue 25
  • 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 : 13/08 12Z Mesh : 19km Updated, 6h ago Update in 13min
  • Tue 25
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 295° NW WNW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 220° SW SW
  • 220° SW SW
  • 220° SW SW
  • 235° SW SW
  • 235° SW SW
  • 235° SW SW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 255° W WSW
  • 255° W WSW
  • 255° W WSW
  • 280° W W
  • 280° W W
  • 280° W W
  • 255° W WSW
  • 255° W WSW
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 20
  • 20
  • 20
  • 25
  • 25
  • 25
  • 30
  • 30
  • 30
  • 30
  • 30
  • 4.1
  • 4.1
  • 4.8
  • 6.0
  • 7.4
  • 8.6
  • 9.2
  • 9.2
  • 8.5
  • 7.4
  • 6.1
  • 5.0
  • 4.1
  • 3.9
  • 4.3
  • 5.5
  • 7.2
  • 8.7
  • 9.7
  • 9.8
  • 9.3
  • 8.1
  • 6.6
  • 5.0
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 60
  • 55
  • 55
  • 55
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 65
  • 65
  • 65
  • 65
  • 65
  • 65
  • 60
  • 60
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 40
  • 20
  • 20
  • 20
  • 25
  • 25
  • 25
  • 20
  • 20
  • 20
  • 45
  • 45
  • 45
  • 50
  • 50
  • 50
  • 55
  • 55
  • 55
  • 50
  • 50
  • 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
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 5
  • 5
  • 5
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 1012
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 3
  • 3
  • 3
  • 6
  • 6
  • 6
  • 3
  • 3
  • 3
  • 0
  • 0
  • 0
  • 0
  • 0
  • 18 65
  • 15 59
  • 15 59
  • 15 59
  • 15 58
  • 15 58
  • 15 58
  • 14 58
  • 14 58
  • 14 58
  • 20 67
  • 20 67
  • 20 67
  • 25 76
  • 25 76
  • 25 76
  • 23 73
  • 23 73
  • 23 73
  • 20 69
  • 20 69
  • 20 69
  • 18 64
  • 18 64
  • 17 62
  • 14 57
  • 14 57
  • 14 57
  • 14 56
  • 14 56
  • 14 56
  • 13 55
  • 13 55
  • 13 55
  • 19 66
  • 19 66
  • 19 66
  • 25 77
  • 25 77
  • 25 77
  • 26 78
  • 26 78
  • 26 78
  • 24 74
  • 24 74
  • 24 74
  • 16 60
  • 16 60
  • 5 9 2 3 6
  • 6 12 3 3 7
  • 6 12 3 3 7
  • 6 12 3 3 7
  • 6 12 3 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
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 9 16 3 4 10
  • 9 16 3 4 10
  • 9 16 3 4 10
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.8
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

For Saint-Briac-sur-Mer :
No gale warning.


For the night from Monday to Tuesday WNW force 2 turning WSW in the middle of the night then SW. Gusts reaching 12 knots in the early part of the night.

Smooth to slight sea. Low from N. Excellent visibility becoming good in the middle of the night then good. Daytime of Tuesday 25 august : The sky will remain changeable.

Skies changeable to very cloudy. Risk of some spots of rain in the morning, showers late in the day. In the evening, good clear periods but lots of cloud, too.
Light showers. SW force 2 becoming WSW force 3 in the middle of the day then W. Gusts reaching 17 knots from the middle of the day. Smooth to slight sea becoming slight in the evening. Low from N then from WNW in the middle of the day then from WNW. Poor visibility becoming excellent in the middle of the day.

semaphore stations

Station Dinard located 7 km from Saint-Briac-sur-Mer
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
03h
310
12
19
19.3
1020
9
02h
330
10
20
19.5
1020
11
01h
310
14
21
19.6
1021
9
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

51
Low tide 00h31 4m
High tide 06h21 9.29m
57
Low tide 12h58 3.85m
High tide 18h41 9.88m
www.shom.fr - © SHOM 2026 - Local times

Go further

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