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 75%
Monday 10 august Monday 10 aug
METEO CONSULT Run : 7/08 09Z Mesh : 1km Updated, 2h ago Update in 1h

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
0.5
0
3
0
40
30
20
10
100
90
80
70
60
50
  • Mon 10
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 7/08 09Z Mesh : 1km Updated, 2h ago Update in 1h
  • Mon 10
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 305° NW NW
  • 305° NW WNW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 315° NW NW
  • 320° NW NW
  • 325° NW NW
  • 335° NW NNW
  • 345° N NNW
  • 350° N N
  • 355° N N
  • 355° N N
  • 360° N N
  • 360° N N
  • 355° N N
  • 360° N N
  • 355° N N
  • 355° N N
  • 355° N N
  • 350° N N
  • 350° N N
  • 350° N N
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 8 14 4 9 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 7 13 4 8 3
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 10 19 5 12 3
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 10 19 5 12 3
  • 10 18 5 11 3
  • 11 20 6 12 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 13 25 7 16 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 15 27 8 17 4
  • 12 23 6 14 4
  • 9 17 5 11 3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 295° 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
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 305° NW NW
  • 320° NW NW
  • 330° NW NNW
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 3
  • 3
  • 3
  • 3
  • 3
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 5
  • 6
  • 6
  • 7
  • 6
  • 5
  • 5
  • 4
  • 3
  • 2
  • 15
  • 15
  • 15
  • 30
  • 50
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 9
  • 8
  • 8
  • 9
  • 10
  • 10
  • 10
  • 10
  • 3.7
  • 4.3
  • 5.6
  • 7.1
  • 8.6
  • 9.5
  • 9.6
  • 9.0
  • 7.9
  • 6.5
  • 5.1
  • 4.0
  • 3.5
  • 3.7
  • 4.8
  • 6.4
  • 8.2
  • 9.6
  • 10.2
  • 10.0
  • 9.0
  • 7.5
  • 5.8
  • 4.3
  • 20 69
  • 20 69
  • 20 69
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  • 50
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  • 10
  • 15
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  • 25
  • 40
  • 45
  • 45
  • 15
  • 15
  • 10
  • 10
  • 10
  • 10
  • 5
  • 5
  • 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
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
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  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 5
  • 5
  • 3
  • 1
  • 1
  • 0.6
  • 0.5
  • 0.5
  • 1
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 1018
  • 1018
  • 1018
  • 1018
  • 1017
  • 1017
  • 1018
  • 1018
  • 1018
  • 1019
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  • 1020
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  • 1020
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  • 1019
  • 1019
  • 1019
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  • 1020
  • 1020
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 4
  • 5
  • 7
  • 7
  • 7
  • 6
  • 4
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 19 65
  • 18 65
  • 18 64
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  • 17 63
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  • 17 62
  • 18 64
  • 19 67
  • 21 70
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  • 26 78
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  • 25 76
  • 23 73
  • 22 71
  • 20 69
  • 16 61
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  • 16 60
  • 16 60
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  • 16 60
  • 19 66
  • 25 78
  • 29 83
  • 31 87
  • 32 90
  • 34 92
  • 32 90
  • 33 91
  • 33 91
  • 31 88
  • 29 85
  • 27 81
  • 25 77
  • 23 74
  • 22 72
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 Sunday to Monday NW force 3 in the early part of the night becoming force 2. Gusts reaching 11 knots in the early part of the night.

Smooth sea. Low, short swell from N then from WNW at the end of the night. Poor visibility becoming reduced by mist in the middle of the night then reduced by fog. Daytime of Monday 10 august : Warning:reduced visibility early in the day.

Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, clear skies.
NNW wind force 3 continuing all day. Gusts reaching 16 knots from the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from WNW. Visibility reduced by fog becoming excellent in the middle of the day then good.

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)
17h
350
24
34
21.8
1023
0
16h
0
23
32
21.9
1023
0
15h
10
18
33
21.1
1024
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

59
High tide 05h38 9.65m
Low tide 12h19 3.46m
66
High tide 18h10 10.26m
www.shom.fr - © SHOM 2026 - Local times
Fri
07
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Sat
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Fri
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