Weather port La Roche-Bernard

La Roche-Bernard FRALon : -2°18’,402 W Lat : 47°31’,002 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 75%
Saturday 24 october Saturday 24 oct
METEO CONSULT Run : 23/10 18Z Mesh : 1km Updated, 1h 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)
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
30
20
10
0
60
50
40
30
20
10
0
10
5
0
5
0
3
0
20
15
10
5
65
60
55
50
45
  • Sun 25
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
Run : 23/10 18Z Mesh : 1km Updated, 1h ago Update in 3h
  • Sun 25
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
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  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 270° W W
  • 270° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 260° W W
  • 255° W WSW
  • 255° W WSW
  • 245° SW WSW
  • 240° SW WSW
  • 235° SW WSW
  • 230° SW SW
  • 225° SW SW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 225° SW SW
  • 230° SW SW
  • 235° SW WSW
  • 240° SW WSW
  • 235° SW WSW
  • 235° SW SW
  • 235° SW SW
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 11 21 6 13 4
  • 13 24 7 15 4
  • 16 29 8 18 5
  • 17 31 9 19 5
  • 17 32 9 20 5
  • 18 33 9 21 5
  • 18 34 9 21 5
  • 19 35 10 22 5
  • 20 37 10 23 5
  • 21 38 11 24 5
  • 21 38 11 24 5
  • 21 38 11 24 5
  • 18 33 9 21 5
  • 17 32 9 20 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 17 32 9 20 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 15 27 8 17 4
  • 16 30 8 19 5
  • 17 32 9 20 5
  • 19 35 10 22 5
  • 23 43 12 27 6
  • 28 51 14 32 7
  • 32 60 17 37 7
  • 34 63 18 39 8
  • 36 66 18 41 8
  • 39 72 20 45 8
  • 38 70 19 43 8
  • 38 71 20 44 8
  • 40 74 21 46 8
  • 42 77 21 48 9
  • 42 78 22 48 9
  • 44 81 23 50 9
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.9
  • 1.1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.4
  • 0.4
  • 0.5
  • 0.6
  • 0.7
  • 0.8
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 225° SW SW
  • 220° SW SW
  • 225° SW SW
  • 225° SW SW
  • 220° SW SW
  • 220° SW SW
  • 220° SW SW
  • 180° S S
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.3
  • 0.3
  • 0.2
  • 0.1
  • 0.2
  • 0
  • 0
  • 0
  • 0
  • 0
  • <0.1
  • 0
  • 0
  • 0
  • 0
  • 9
  • 9
  • 9
  • 9
  • 9
  • 9
  • 8
  • 7
  • 8
  • 7
  • 7
  • 9
  • 9
  • 8
  • 0
  • 0
  • 0
  • 0
  • 0
  • 3
  • 0
  • 0
  • 0
  • 0
  • 70
  • 70
  • 70
  • 70
  • 60
  • 60
  • 50
  • 70
  • 45
  • 40
  • 40
  • 30
  • 30
  • 25
  • 30
  • 30
  • 35
  • 35
  • 45
  • 60
  • 45
  • 70
  • 50
  • 50
  • 3.1
  • 4.1
  • 4.8
  • 5.1
  • 5.0
  • 4.4
  • 3.5
  • 2.6
  • 1.9
  • 1.4
  • 1.4
  • 2.0
  • 2.9
  • 4.0
  • 4.9
  • 5.4
  • 5.4
  • 4.8
  • 3.9
  • 2.9
  • 1.9
  • 1.3
  • 1.1
  • 1.7
  • 14 58
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  • 100
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  • 70
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  • 70
  • 65
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  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.5
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 35
  • 90
  • 90
  • 90
  • 90
  • 90
  • 90
  • 90
  • 90
  • 90
  • 50
  • 55
  • 65
  • 45
  • 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
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1021
  • 1021
  • 1021
  • 1021
  • 1020
  • 1019
  • 1018
  • 1017
  • 1015
  • 1014
  • 1014
  • 1013
  • 1012
  • 1012
  • 1011
  • 1011
  • 1010
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 0
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 12 53
  • 12 53
  • 11 52
  • 10 51
  • 11 51
  • 11 51
  • 11 52
  • 11 52
  • 11 52
  • 12 54
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  • 16 60
  • 8 47
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  • 8 47
  • 8 46
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  • 8 47
  • 9 47
  • 9 48
  • 9 49
  • 11 51
  • 10 51
  • 9 49
  • 9 48
  • 9 47
  • 9 47
  • 8 47
  • 8 47
  • 8 47
  • 9 47
  • 9 48
  • 9 48
  • 9 48
  • 9 49
  • 20 37 5 10 23
  • 20 37 5 10 23
  • 19 36 5 10 22
  • 19 36 5 10 22
  • 19 35 5 10 22
  • 18 34 5 9 21
  • 18 33 5 9 21
  • 17 31 5 9 19
  • 15 27 4 8 17
  • 15 27 4 8 17
  • 17 31 5 9 19
  • 17 32 5 9 20
  • 19 35 5 10 22
  • 22 40 6 11 25
  • 23 42 6 12 26
  • 24 45 6 13 28
  • 25 46 6 13 29
  • 27 50 7 14 31
  • 28 51 7 14 32
  • 29 54 7 15 34
  • 29 54 7 15 34
  • 29 54 7 15 34
  • 30 55 7 15 34
  • 30 56 7 16 35
  • 1.6
  • 1.5
  • 1.4
  • 1.4
  • 1.4
  • 1.4
  • 1.4
  • 1.3
  • 1.3
  • 1.2
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 1.2
  • 1.3
  • 1.5
  • 1.7
  • 1.9
  • 2
  • 2.1
  • 2.1
  • 2
  • 2
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

A northwesterly, very strong and very variable flow prevails over the whole area.

For La Roche-Bernard :
Warning moderate gale offshore.

We are 75% sure of the situation, because the winds may be stronger than forecast.

Skies very cloudy, becoming totally overcast during the morning, overcast, gloomy skies with wet-weather low cloud in the afternoon. Possibility of showers late in the morning, light rain in the afternoon. In the evening, overcast skies.
Spells of light rain during the night. WSW force 3 in the morning freshening force 5 in the middle of the day. Gusts reaching 42 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from SW then from N in the middle of the day. Excellent visibility becoming excellent in the middle of the day.

semaphore stations

Station St Nazaire-Montoir located 26 km from La Roche-Bernard
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
01h
280
11
19
12.6
1023
0
00h
270
10
19
12.6
1023
0
23h
270
10
17
12.6
1023
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Trehiguier

76
High tide 04h08 5.13m
Low tide 10h30 1.37m
82
High tide 16h26 5.44m
Low tide 22h49 1.09m
© METEOCONSULT 2026 - Local times

Go further

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