Weather port Lorient - Port BSM

Lorient FRALon : -3°22’,0002 W Lat : 47°43’,998 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 80%
Sunday 20 september Sunday 20 sep
METEO CONSULT Run : 19/09 18Z Mesh : 1km Updated, 3h ago Update in 2h

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)
15
10
5
0
30
20
10
0
10
5
0
20
15
10
5
0
5
0
0.5
0
3
0
30
25
20
15
10
90
80
70
60
50
  • Mon 21
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Run : 19/09 18Z Mesh : 1km Updated, 3h ago Update in 2h
  • Mon 21
  • 03h
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  • 290° W WNW
  • 295° NW WNW
  • 305° NW NW
  • 310° NW NW
  • 305° NW NW
  • 295° NW WNW
  • 320° NW NW
  • 305° NW NW
  • 295° NW WNW
  • 285° W WNW
  • 260° W W
  • 245° SW WSW
  • 250° W WSW
  • 260° W W
  • 265° W W
  • 270° W W
  • 275° W W
  • 290° W WNW
  • 295° NW WNW
  • 340° N NNW
  • 15° N NNE
  • 30° NE NNE
  • 45° NE NE
  • 45° NE NE
  • 3 5 1 3 1
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  • 4 8 2 5 2
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  • 4 7 2 4 2
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  • 9 16 4 10 3
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  • 11 21 6 13 4
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  • 0.3
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  • 250° W WSW
  • 255° W WSW
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Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

High 1025 hPa centered on the North of the Bay of Biscay moving at 19 knots to the West to be centered at 150 nautical miles in the West-South-West of the Île de Sein.

For Lorient - Port BSM :
No gale warning.

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

Fog developing into low cloud during the morning, cloudy spells, sometimes dense, in the afternoon. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. NW force 2 in the morning temporarily W force 3 in the middle of the day. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea temporarily smooth in the middle of the day. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then good.

semaphore stations

Station Ile De Groix located 13 km from Lorient - Port BSM
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
03h
250
9
11
17.4
-
0
02h
270
7
11
17.9
-
6
01h
260
6
10
18.1
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Lorient

22
Low tide 06h07 2.66m
High tide 12h53 3.8m
Low tide 19h05 2.56m
© METEOCONSULT 2026 - Local times

Go further

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