Weather anchorage Mouillage de Saint-Cast

Saint-Cast-le-Guildo FRALon : -2°14’,724 W Lat : 48°38’,442 N Alt : 2m
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Weather Risk Briefing
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BULLETIN

Reliability 70%
Saturday 12 september Saturday 12 sep
METEO CONSULT Run : 8/09 00Z Mesh : 19km Updated, 3h 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
15
10
5
0
30
20
10
0
10
5
0
15
10
5
0
5
0
1
0.5
0
3
0
30
25
20
15
10
90
80
70
60
50
  • Sat 12
  • 00h
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  • 19h
  • 20h
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  • 23h
Run : 8/09 00Z Mesh : 19km Updated, 3h ago Update in 3h
  • Sat 12
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
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  • 19h
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  • 315° NW NW
  • 305° NW NW
  • 290° W WNW
  • 280° W WNW
  • 275° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 275° W W
  • 290° W WNW
  • 300° NW WNW
  • 310° NW NW
  • 315° NW NW
  • 320° NW NW
  • 330° NW NNW
  • 340° N NNW
  • 345° N NNW
  • 350° N NNW
  • 345° N NNW
  • 345° N NNW
  • 340° N NNW
  • 335° NW NNW
  • 320° NW NW
  • 3 6 2 4 2
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 2 4 1 2 1
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 3 6 2 4 2
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 7 2 4 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 4 7 2 4 2
  • 3 6 2 4 2
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 9 16 4 10 3
  • 6 12 3 7 3
  • 5 10 3 6 2
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 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
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0
  • 315° NW NW
  • 310° NW NW
  • 310° NW NW
  • 315° NW NW
  • 315° NW NW
  • 320° NW NW
  • 310° NW NW
  • 305° NW WNW
  • 295° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 0.4
  • 0.4
  • 0.4
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  • 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
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 3
  • 4
  • 4
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  • 15
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  • 20
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  • 20
  • 20
  • 20
  • 25
  • 20
  • 20
  • 20
  • 20
  • 20
  • 15
  • 20
  • 20
  • 20
  • 6.5
  • 4.0
  • 2.0
  • 1.0
  • 1.3
  • 3.3
  • 6.3
  • 9.4
  • 11.6
  • 12.2
  • 11.4
  • 9.6
  • 7.2
  • 4.7
  • 2.6
  • 1.3
  • 1.2
  • 2.9
  • 5.8
  • 9.0
  • 11.6
  • 12.6
  • 12.1
  • 10.4
  • 20 67
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  • 40
  • 45
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  • 5
  • 5
  • 0
  • 0
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  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • -
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  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 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
  • 3
  • 3
  • 2
  • 2
  • 1
  • 1
  • 1
  • 0.8
  • 0.5
  • 4
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 5
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1025
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  • 1024
  • 1024
  • 1024
  • 1024
  • 1023
  • 1023
  • 1023
  • 1024
  • 1024
  • 1024
  • 1024
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 4
  • 4
  • 5
  • 4
  • 3
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 15 58
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  • 13 56
  • 13 55
  • 13 55
  • 12 54
  • 12 54
  • 12 54
  • 13 56
  • 15 58
  • 18 64
  • 17 63
  • 18 64
  • 21 70
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  • 21 69
  • 22 71
  • 21 69
  • 20 67
  • 18 65
  • 17 62
  • 15 60
  • 14 58
  • 13 56
  • 13 55
  • 13 55
  • 12 54
  • 12 54
  • 12 53
  • 11 53
  • 11 52
  • 11 51
  • 12 54
  • 15 59
  • 19 66
  • 20 67
  • 22 71
  • 28 83
  • 24 76
  • 27 80
  • 27 81
  • 25 78
  • 21 69
  • 18 65
  • 16 61
  • 15 58
  • 13 55
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

The reliability of the situation is fairly good.
For the night from Friday to Saturday NW force 2 becoming WNW force 1 in the middle of the night then W.

Smooth to slight sea. Low, short swell from NW. Visibility reduced by mist becoming reduced by mist in the middle of the night then reduced by mist. Daytime of Saturday 12 september : Warning:reduced visibility early in the day.

Fog giving way to sun in early morning, predominantly sunny in the afternoon. No precipitation. In the evening, light cloudy spells.
W force 2 turning NW force 3 in the middle of the day then NNW. Gusts reaching 12 knots in the evening. Smooth to slight sea. Low, short swell from NW. Visibility reduced by fog becoming excellent in the middle of the day then poor.

semaphore stations

Station Dinard located 14 km from Mouillage de Saint-Cast
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
11h
200
36
51
17.9
1008
10
10h
200
27
44
18.6
1009
0
09h
190
18
31
18.2
1011
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

102
Low tide 03h23 0.96m
High tide 08h49 12.25m
101
Low tide 15h37 1.1m
High tide 21h02 12.6m
www.shom.fr - © SHOM 2026 - Local times
Tue
08
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Wed
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