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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Fri
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Sat
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Sun
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Mon
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Wed
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BULLETIN

Reliability 55%
Sunday 16 august Sunday 16 aug
METEO CONSULT Run : 7/08 00Z Mesh : 19km Updated, 9h 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
20
15
10
5
0
40
30
20
10
0
10
5
0
20
15
10
5
0
10
5
0
1
0.5
0
3
0
35
30
25
20
15
10
90
80
70
60
50
  • Sun 16
  • 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 00Z Mesh : 19km Updated, 9h ago Update imminent
  • Sun 16
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 330° NW NNW
  • 325° NW NW
  • 320° NW NW
  • 315° NW NW
  • 310° NW NW
  • 300° NW WNW
  • 295° NW WNW
  • 290° W WNW
  • 285° W WNW
  • 285° W WNW
  • 290° W WNW
  • 290° W WNW
  • 300° NW WNW
  • 310° NW NW
  • 315° NW NW
  • 320° NW NW
  • 325° NW NW
  • 325° NW NW
  • 330° NW NNW
  • 330° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 325° NW NW
  • 325° NW NW
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 4 7 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 15 28 8 17 4
  • 13 25 7 16 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 13 25 7 16 4
  • 14 26 7 16 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 0.6
  • 0.6
  • 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
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 290° W WNW
  • 290° W WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° 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
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 0.2
  • 0.2
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 5
  • 5
  • 5
  • 5
  • 6
  • 6
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 4
  • 15
  • 15
  • 15
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 15
  • 10
  • 10
  • 10
  • 10
  • 10.5
  • 8.2
  • 5.7
  • 3.4
  • 1.8
  • 1.1
  • 1.9
  • 4.2
  • 7.3
  • 10.1
  • 11.8
  • 11.8
  • 10.7
  • 8.7
  • 6.3
  • 4.0
  • 2.3
  • 1.5
  • 2.0
  • 4.0
  • 7.0
  • 9.8
  • 11.7
  • 12.0
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
  • 22 71
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  • 22 71
  • 40
  • 40
  • 45
  • 50
  • 50
  • 55
  • 55
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  • 55
  • 55
  • 50
  • 60
  • 65
  • 70
  • 70
  • 70
  • 65
  • 65
  • 50
  • 50
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 25
  • 25
  • 0
  • 0
  • 20
  • 25
  • 25
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 35
  • 35
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 10
  • 10
  • 5
  • 5
  • 5
  • 5
  • 10
  • 10
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 10
  • 10
  • 1016
  • 1016
  • 1016
  • 1015
  • 1015
  • 1015
  • 1014
  • 1014
  • 1014
  • 1014
  • 1014
  • 1014
  • 1014
  • 1014
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1014
  • 1014
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 3
  • 4
  • 6
  • 6
  • 6
  • 4
  • 3
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 17 62
  • 17 62
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 18 64
  • 20 67
  • 21 71
  • 22 72
  • 23 74
  • 24 75
  • 24 75
  • 24 75
  • 24 74
  • 23 73
  • 22 71
  • 21 69
  • 21 69
  • 17 63
  • 17 63
  • 15 59
  • 15 58
  • 15 58
  • 15 58
  • 15 58
  • 15 58
  • 15 58
  • 15 59
  • 15 59
  • 17 63
  • 20 67
  • 25 76
  • 27 80
  • 28 83
  • 30 86
  • 30 85
  • 29 85
  • 29 84
  • 27 80
  • 25 77
  • 24 74
  • 24 74
  • 15 59
  • 15 59
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.


For the night from Saturday to Sunday NNW force 2 in the early part of the night turning WNW. Gusts reaching 15 knots in the early part of the night.

Smooth to slight sea. Low, short swell from WNW. Good visibility becoming poor in the middle of the night then good. Daytime of Sunday 16 august : The unsettled weather will become more unpredictable in the second half of the day.

Skies changeable to very cloudy. Risk of some spots of rain in the morning, light showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Light showers. WNW force 2 becoming NW force 3 in the middle of the day then NNW. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WNW. Good visibility 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)
18h
0
22
32
20.9
1023
0
17h
350
24
34
21.8
1023
0
16h
0
23
32
21.9
1023
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

95
Low tide 05h04 1.11m
High tide 10h28 11.96m
90
Low tide 17h14 1.44m
High tide 22h39 12.1m
www.shom.fr - © SHOM 2026 - Local times
Fri
07
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Sat
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Sun
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Fri
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Sat
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Sun
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