Weather anchorage Port Saint-Nicolas

Groix FRALon : -3°29’,136 W Lat : 47°37’,926 N Alt : 8m
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Weather Risk Briefing
Thu
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Fri
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Sat
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Sun
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Mon
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Tue
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Wed
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Thu
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Fri
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Sat
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Sun
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Mon
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Tue
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Wed
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BULLETIN

Reliability 80%
Thursday 15 october Thursday 15 oct
METEO CONSULT Run : 15/10 19Z Mesh : 4km Updated, 27min ago Update imminent

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
25
20
15
10
5
50
40
30
20
10
15
10
5
0
30
20
10
0
10
5
0
2
1.5
1
3
0
20
15
10
5
65
60
55
50
45
  • Fri 16
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
Run : 15/10 19Z Mesh : 4km Updated, 27min ago Update imminent
  • Fri 16
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 245° SW WSW
  • 250° W WSW
  • 255° W WSW
  • 260° W W
  • 265° W W
  • 260° W W
  • 250° W WSW
  • 240° SW WSW
  • 235° SW WSW
  • 235° SW SW
  • 230° SW SW
  • 225° SW SW
  • 245° SW WSW
  • 350° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 5° N N
  • 5° N N
  • 0° N N
  • 0° N N
  • 0° N N
  • 0° N N
  • 355° N N
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 11 21 6 13 4
  • 16 29 8 18 5
  • 15 28 8 17 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 13 25 7 16 4
  • 15 27 8 17 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 10 19 5 12 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 11 20 6 12 4
  • 12 23 6 14 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 13 25 7 16 4
  • 15 27 8 17 4
  • 24 45 13 28 6
  • 24 45 13 28 6
  • 23 43 12 27 6
  • 22 41 11 25 6
  • 21 38 11 24 5
  • 20 37 10 23 5
  • 21 39 11 24 6
  • 22 40 11 25 6
  • 21 39 11 24 6
  • 20 37 10 23 5
  • 18 34 9 21 5
  • 1.3
  • 1.3
  • 1.2
  • 1.2
  • 1.1
  • 1.2
  • 1.3
  • 1.4
  • 1.4
  • 1.4
  • 1.5
  • 1.5
  • 1.4
  • 1.3
  • 1.3
  • 1.2
  • 1.1
  • 1.1
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 1.3
  • 1.2
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 1.3
  • 1.3
  • 1.2
  • 1.2
  • 1.1
  • 1.2
  • 1.1
  • 1.2
  • 1.4
  • 1.4
  • 1.5
  • 1.5
  • 1.4
  • 1.3
  • 1.2
  • 1.1
  • 1.1
  • 1.0
  • 1.0
  • 1.0
  • 1.1
  • 1.2
  • 1.2
  • 1.2
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 12
  • 12
  • 11
  • 12
  • 12
  • 12
  • 12
  • 12
  • 12
  • 12
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 220
  • 230
  • 220
  • 230
  • 220
  • 220
  • 240
  • 240
  • 230
  • 230
  • 240
  • 240
  • 240
  • 240
  • 230
  • 230
  • 220
  • 220
  • 210
  • 220
  • 210
  • 210
  • 210
  • 210
  • 3.9
  • 3.3
  • 2.8
  • 2.3
  • 2.0
  • 2.0
  • 2.4
  • 3.0
  • 3.7
  • 4.2
  • 4.5
  • 4.4
  • 4.1
  • 3.6
  • 3.0
  • 2.5
  • 2.1
  • 2.0
  • 2.2
  • 2.7
  • 3.3
  • 3.9
  • 4.2
  • 4.1
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 63
  • 17 62
  • 17 62
  • 17 62
  • 17 62
  • 17 62
  • 17 62
  • 17 62
  • 90
  • 95
  • 90
  • 65
  • 70
  • 50
  • 60
  • 60
  • 65
  • 85
  • 90
  • 95
  • 100
  • 100
  • 100
  • 100
  • 100
  • 95
  • 60
  • 60
  • 45
  • 25
  • 10
  • 5
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.6
  • 0.6
  • 0.7
  • 0.5
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 45
  • 80
  • 90
  • 90
  • 90
  • 90
  • 50
  • 40
  • 20
  • 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
  • 15
  • 10
  • 5
  • 10
  • 10
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1023
  • 1024
  • 1025
  • 1025
  • 1025
  • 1026
  • 1026
  • 1027
  • 1027
  • 1028
  • 1028
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 18 64
  • 17 63
  • 17 62
  • 17 62
  • 16 61
  • 16 60
  • 16 60
  • 16 60
  • 16 61
  • 16 62
  • 17 62
  • 17 62
  • 17 62
  • 16 60
  • 14 58
  • 14 57
  • 14 57
  • 15 59
  • 16 60
  • 16 60
  • 15 60
  • 14 57
  • 13 55
  • 12 53
  • 16 60
  • 15 59
  • 14 58
  • 14 57
  • 14 56
  • 13 56
  • 13 55
  • 13 55
  • 13 56
  • 13 56
  • 14 56
  • 14 56
  • 14 57
  • 12 53
  • 9 48
  • 9 49
  • 10 50
  • 12 53
  • 12 54
  • 13 55
  • 12 53
  • 10 50
  • 9 47
  • 8 46
Forecasts established in local time
Caption   Glossary

Expert opinion

For Port Saint-Nicolas :
No gale warning.

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

In the evening, very cloudy skies to overcast.
No precipitation. WSW wind force 3. Slight sea. Low, fairly long swell from WSW. Good visibility.

semaphore stations

Station Ile De Groix located 3 km from Port Saint-Nicolas
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
21h
230
8
10
17.2
-
0
20h
250
6
10
17.7
-
10
19h
240
7
9
17.9
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Port-Tudy

68
Low tide 01h54 1.69m
High tide 07h38 4.76m
62
Low tide 14h14 1.75m
High tide 19h50 4.48m
www.shom.fr - © SHOM 2026 - Local times
Thu
15
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Sun
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Mon
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Tue
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Wed
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Thu
29
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