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 75%
Sunday 20 september Sunday 20 sep
METEO CONSULT Run : 20/09 06Z Mesh : 1km Updated, 10min ago Update in 3h

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
30
20
10
0
10
5
0
20
15
10
5
0
5
0
1
0.5
0
3
0
25
20
15
10
70
65
60
55
50
  • Mon 21
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
Run : 20/09 06Z Mesh : 1km Updated, 10min ago Update in 3h
  • Mon 21
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 285° W WNW
  • 295° NW WNW
  • 305° NW NW
  • 310° NW NW
  • 310° NW NW
  • 320° NW NW
  • 315° NW NW
  • 325° NW NW
  • 325° NW NW
  • 325° NW NW
  • 350° N NNW
  • 360° N N
  • 355° N N
  • 355° N N
  • 360° N N
  • 10° N N
  • 20° N NNE
  • 70° E ENE
  • 90° E E
  • 140° SE SE
  • 150° SE SSE
  • 160° S SSE
  • 160° S SSE
  • 55° NE NE
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 2 3 1 2 1
  • 2 4 1 2 1
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 5 1 3 1
  • 2 4 1 2 1
  • 1 2 1 1 1
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 12 23 6 14 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 10 18 5 11 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.5
  • 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
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 7
  • 7
  • 7
  • 8
  • 9
  • 9
  • 8
  • 8
  • 9
  • 9
  • 9
  • 9
  • 9
  • 9
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  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
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  • 120
  • 120
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  • 130
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  • 160
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  • 170
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  • 170
  • 170
  • 170
  • 180
  • 180
  • 180
  • 190
  • 7.3
  • 7.7
  • 7.8
  • 7.7
  • 7.4
  • 6.9
  • 6.4
  • 5.9
  • 5.6
  • 5.5
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  • 6.0
  • 6.5
  • 7.0
  • 7.4
  • 7.7
  • 7.7
  • 7.4
  • 7.0
  • 6.5
  • 6.1
  • 5.8
  • 5.7
  • 5.8
  • 20 67
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  • 75
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  • 100
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  • 95
  • 90
  • 55
  • 55
  • 40
  • 45
  • 60
  • 30
  • 30
  • 45
  • 30
  • 40
  • 65
  • 80
  • 70
  • 70
  • 70
  • 35
  • 40
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
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  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
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  • -
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  • -
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  • 20
  • 25
  • 25
  • 25
  • 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
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 5
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 15
  • 15
  • 15
  • 15
  • 10
  • 5
  • 4
  • 2
  • 3
  • 5
  • >20
  • 1029
  • 1029
  • 1030
  • 1030
  • 1030
  • 1030
  • 1030
  • 1031
  • 1031
  • 1031
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1033
  • 1033
  • 1033
  • 1033
  • 1
  • 2
  • 2
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 20 67
  • 20 67
  • 20 67
  • 20 67
  • 19 67
  • 19 66
  • 19 66
  • 19 65
  • 18 64
  • 17 63
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  • 16 61
  • 16 60
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  • 14 56
  • 13 56
  • 14 57
  • 16 60
  • 18 64
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  • 19 66
  • 18 64
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  • 12 54
  • 13 56
  • 16 62
  • 20 69
  • 11 21 4 6 13
  • 11 20 4 6 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 8 15 3 4 9
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 6 12 3 3 7
  • 5 10 2 3 6
  • 5 10 2 3 6
  • 5 10 2 3 6
  • 5 9 2 3 6
  • 4 8 2 2 5
  • 3 6 2 2 4
  • 3 6 2 2 4
  • 3 6 2 2 4
  • 3 6 2 2 4
  • 4 7 2 2 4
  • 4 7 2 2 4
  • 3 6 2 2 4
  • 3 5 1 1 3
  • 1 2 1 1 1
  • 1 1 1 0 1
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 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
Forecasts established for the approach to the port, up to 1 mile from the coast, 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 16 knots to the North-East and gaining strength to 1033 hPa to be centered on Wales.

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

We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy skies becoming totally overcast. Chance of light rain. In the evening, lots of good clear periods.
No precipitation. NW force 3 in the middle of the day becoming NNW force 2 in the evening. Gusts reaching 15 knots in the middle of the day. Smooth to slight sea. Low, short swell from NW. Excellent visibility becoming poor in the evening.

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)
12h
280
9
14
20.1
1029
0
11h
280
5
10
18.9
1029
0
10h
240
7
11
17.8
1028
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

24
High tide 00h57 7.94m
Low tide 07h38 5.52m
22
High tide 13h57 7.84m
Low tide 20h52 5.49m
www.shom.fr - © SHOM 2026 - Local times

Go further

Sun
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