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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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 55%
Wednesday 23 september Wednesday 23 sep
METEO CONSULT Run : 11/09 00Z Mesh : 19km Updated, 50min ago Update in 5h

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
30
20
10
0
10
5
0
20
15
10
5
0
10
5
0
1
0.5
0
3
0
25
20
15
10
70
65
60
55
50
  • Wed 23
  • 00h
  • 01h
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  • 03h
  • 04h
  • 05h
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  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 11/09 00Z Mesh : 19km Updated, 50min ago Update in 5h
  • Wed 23
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 295° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 280° W WNW
  • 280° W WNW
  • 280° W WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 320° NW NW
  • 320° NW NW
  • 320° NW NW
  • 310° NW NW
  • 310° NW NW
  • 5 10 3 6 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 3 6 2 4 2
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 15 27 8 17 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 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
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 12 23 6 14 4
  • 14 26 7 16 4
  • 14 26 7 16 4
  • 14 26 7 16 4
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 16 29 8 18 5
  • 13 25 7 16 4
  • 13 25 7 16 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
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 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
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 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
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 11
  • 10
  • 10
  • 10
  • 11
  • 11
  • 11
  • 12
  • 12
  • 12
  • 12
  • 12
  • 190
  • 190
  • 190
  • 190
  • 190
  • 190
  • 190
  • 180
  • 180
  • 180
  • 180
  • 180
  • 180
  • 180
  • 180
  • 180
  • 200
  • 200
  • 200
  • 220
  • 220
  • 220
  • 230
  • 230
  • 4.1
  • 4.5
  • 5.5
  • 6.8
  • 8.1
  • 9.0
  • 9.2
  • 8.9
  • 8.0
  • 6.8
  • 5.5
  • 4.5
  • 4.0
  • 4.0
  • 4.9
  • 6.3
  • 7.9
  • 9.2
  • 9.8
  • 9.6
  • 8.7
  • 7.3
  • 5.7
  • 4.4
  • 21 70
  • 21 70
  • 21 70
  • 21 70
  • 21 70
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  • 50
  • 40
  • 40
  • 40
  • 50
  • 50
  • 50
  • 55
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  • 60
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  • 65
  • 65
  • 65
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 60
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 50
  • 25
  • 25
  • 25
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 25
  • 25
  • 25
  • 50
  • 50
  • 50
  • 50
  • 50
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 15
  • 15
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1023
  • 1024
  • 1024
  • 1024
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1023
  • 1022
  • 1022
  • 1022
  • 1021
  • 1021
  • 1021
  • 1019
  • 1019
  • 1019
  • 1020
  • 1020
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 2
  • 2
  • 2
  • 5
  • 5
  • 5
  • 2
  • 2
  • 2
  • 0
  • 0
  • 0
  • 0
  • 0
  • 15 58
  • 13 56
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 16 61
  • 16 61
  • 16 61
  • 20 67
  • 20 67
  • 20 67
  • 18 64
  • 18 64
  • 18 64
  • 16 61
  • 16 61
  • 16 61
  • 15 59
  • 15 59
  • 13 55
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 16 61
  • 16 61
  • 16 61
  • 21 69
  • 21 69
  • 21 69
  • 19 65
  • 19 65
  • 19 65
  • 13 56
  • 13 56
  • 13 56
  • 13 55
  • 13 55
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.


For the night from Tuesday to Wednesday NW wind force 2 continuing all night. Gusts reaching 15 knots in the early part of the night.

Smooth to slight sea. Low, fairly long swell from NW. Excellent visibility becoming good in the middle of the night. Daytime of Wednesday 23 september : The unstable weather will die away during the day.

Cloud and long sunny periods. Light showers progressively dying out in the morning, possibility of a few spots in the afternoon. In the evening, cloud and long sunny periods.
Light showers. WNW force 2 in the morning becoming NW force 3 in the middle of the day. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low, fairly long swell from NW. Good visibility becoming excellent in the middle of the day then excellent.

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)
10h
240
6
10
16.9
1021
0
09h
200
6
10
16
1021
14
08h
220
6
9
15.2
1020
11
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

50
Low tide 00h02 4.14m
High tide 05h51 9.24m
57
Low tide 12h28 3.92m
High tide 18h11 9.81m
www.shom.fr - © SHOM 2026 - Local times
Fri
11
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Sat
12
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Sun
13
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Mon
14
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Tue
15
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Wed
16
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Thu
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Fri
18
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Sat
19
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Sun
20
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Mon
21
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Tue
22
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Wed
23
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Thu
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