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
Wed
12
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Fri
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Sat
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Sun
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Mon
17
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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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Wed
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BULLETIN

Reliability 80%
Wednesday 12 august Wednesday 12 aug
METEO CONSULT Run : 12/08 12Z Mesh : 1km Updated, 2h ago Update in 52min

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
20
15
10
5
40
30
20
10
0
10
5
0
20
15
10
5
10
5
0
1
0.5
0
3
0
40
30
20
10
100
90
80
70
60
  • Thu 13
  • 19h
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  • 00h
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  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
Run : 12/08 12Z Mesh : 1km Updated, 2h ago Update in 52min
  • Thu 13
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
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  • 275° W W
  • 280° W W
  • 285° W WNW
  • 295° NW WNW
  • 300° NW WNW
  • 305° NW NW
  • 305° NW WNW
  • 305° NW NW
  • 300° NW WNW
  • 295° NW WNW
  • 290° W WNW
  • 295° NW WNW
  • 300° NW WNW
  • 305° NW NW
  • 305° NW WNW
  • 300° NW WNW
  • 285° W WNW
  • 280° W W
  • 275° W W
  • 275° W W
  • 270° W W
  • 275° W W
  • 270° W W
  • 270° W W
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 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
  • 6 11 3 7 2
  • 8 14 4 9 3
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 15 27 8 17 4
  • 12 23 6 14 4
  • 10 19 5 12 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 13 24 7 15 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 16 30 8 19 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
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.9
  • 0.1
  • 0.2
  • 0.2
  • 0.3
  • 0.2
  • 0.1
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.4
  • 0.6
  • 0.5
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 245° SW WSW
  • 245° SW WSW
  • 255° W WSW
  • 255° W WSW
  • 255° 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
  • 305° NW NW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 250° W WSW
  • 300° NW WNW
  • 250° W WSW
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
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  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
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  • 0.5
  • 0.5
  • 0.6
  • 0.7
  • 9
  • 8
  • 8
  • 8
  • 8
  • 7
  • 8
  • 8
  • 8
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  • 8
  • 8
  • 8
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  • 120
  • 100
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  • 100
  • 100
  • 100
  • 110
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  • 110
  • 100
  • 100
  • 100
  • 110
  • 110
  • 4.6
  • 3.7
  • 2.6
  • 1.6
  • 0.9
  • 0.8
  • 1.2
  • 2.1
  • 3.1
  • 4.2
  • 4.9
  • 5.1
  • 4.8
  • 4.0
  • 2.9
  • 1.9
  • 1.1
  • 0.9
  • 1.2
  • 2.0
  • 3.1
  • 4.2
  • 5.1
  • 5.4
  • 20 68
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  • 0
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  • 10
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  • 0
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  • -
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  • 0
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  • 0
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  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
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  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 15
  • 10
  • 10
  • 10
  • 15
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1019
  • 1019
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  • 1
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 3
  • 5
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  • 5
  • 4
  • 2
  • 26 79
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  • 21 69
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  • 23 73
  • 25 77
  • 27 80
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  • 27 80
  • 26 78
  • 24 76
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  • 22 72
  • 22 71
  • 21 70
  • 18 64
  • 17 63
  • 22 72
  • 26 78
  • 30 86
  • 33 91
  • 35 95
  • 36 97
  • 37 98
  • 37 98
  • 36 96
  • 35 95
  • 33 92
Forecasts established in local time
Caption   Glossary

Expert opinion

For Port Saint-Nicolas :
No gale warning.

The reliability of the situation is assessed at 80%.

In the evening, clear skies.
WNW wind force 3. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Excellent 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)
19h
270
16
22
26.1
-
0
18h
280
12
21
26.5
-
0
17h
260
16
25
25.6
-
10
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Port-Tudy

87
High tide 05h15 4.95m
Low tide 11h08 1.07m
93
High tide 17h28 5.29m
Low tide 23h42 0.78m
www.shom.fr - © SHOM 2026 - Local times
Wed
12
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Thu
13
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Fri
14
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Sat
15
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Sun
16
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Mon
17
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18
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Wed
19
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Thu
20
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Fri
21
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Sat
22
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23
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Mon
24
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Tue
25
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Wed
26
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