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 55%
Saturday 26 september Saturday 26 sep
METEO CONSULT Run : 12/09 12Z Mesh : 19km Updated, 10h 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
15
10
5
0
30
20
10
0
10
5
0
20
15
10
5
0
5
0
1.5
1
0.5
0
3
0
25
20
15
10
75
70
65
60
55
50
  • Sat 26
  • 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 : 12/09 12Z Mesh : 19km Updated, 10h ago Update imminent
  • Sat 26
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 5° N N
  • 165° S SSE
  • 165° S SSE
  • 165° S SSE
  • 185° S S
  • 185° S S
  • 185° S S
  • 195° S SSW
  • 195° S SSW
  • 195° S SSW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 350° N N
  • 350° N N
  • 350° N N
  • 350° N N
  • 350° N N
  • 350° N N
  • 355° N N
  • 355° N N
  • 355° N N
  • 5° N N
  • 5° N N
  • 2 3 1 2 1
  • 1 1 0 1 1
  • 1 1 0 1 1
  • 1 1 0 1 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 1 2 1 1 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 10 18 5 11 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
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 10 19 5 12 3
  • 10 19 5 12 3
  • 0.7
  • 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
  • 0.7
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 1
  • 1
  • 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
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 1
  • 1
  • 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
  • 0° 0 0
  • 0° 0 0
  • 0.3
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
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  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 13
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 5
  • 5
  • 5
  • 0
  • 0
  • 260
  • 250
  • 250
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  • 240
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  • 210
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  • 190
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  • 190
  • 40
  • 40
  • 4.2
  • 2.6
  • 1.9
  • 2.3
  • 4.1
  • 6.7
  • 9.3
  • 11.0
  • 11.4
  • 10.7
  • 9.1
  • 7.0
  • 4.8
  • 3.0
  • 2.0
  • 2.0
  • 3.5
  • 6.0
  • 8.8
  • 11.0
  • 11.9
  • 11.4
  • 9.9
  • 7.8
  • 21 69
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  • 40
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  • 55
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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
  • 30
  • 30
  • 30
  • 35
  • 35
  • 35
  • 30
  • 30
  • 30
  • 20
  • 20
  • 20
  • 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
  • >20
  • 10
  • 10
  • 10
  • 10
  • 10
  • 10
  • 5
  • 5
  • 5
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
  • 1021
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  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 1022
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 2
  • 2
  • 2
  • 5
  • 5
  • 5
  • 2
  • 2
  • 2
  • 0
  • 0
  • 0
  • 0
  • 0
  • 16 61
  • 14 57
  • 14 57
  • 14 57
  • 14 56
  • 14 56
  • 14 56
  • 13 56
  • 13 56
  • 13 56
  • 18 64
  • 18 64
  • 18 64
  • 22 71
  • 22 71
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  • 20 67
  • 20 67
  • 20 67
  • 18 64
  • 18 64
  • 18 64
  • 16 60
  • 16 60
  • 15 60
  • 14 57
  • 14 57
  • 14 57
  • 13 56
  • 13 56
  • 13 56
  • 13 55
  • 13 55
  • 13 55
  • 18 65
  • 18 65
  • 18 65
  • 23 73
  • 23 73
  • 23 73
  • 20 69
  • 20 69
  • 20 69
  • 18 65
  • 18 65
  • 18 65
  • 14 57
  • 14 57
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.


For the night from Friday to Saturday N force 1 turning SSE in the middle of the night then S. Gusts reaching 10 knots in the early part of the night.

Slight sea. Low, long swell from NW. Excellent visibility becoming good in the middle of the night then good. Daytime of Saturday 26 september : The weather will become more uncertain during the day.

Cloud and long sunny periods. No precipitation in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Possibility of showers SSW force 1 turning N force 2 in the middle of the day then becoming force 3. Gusts reaching 13 knots in the evening. Slight sea. Low, short swell from NW then from N in the middle of the day. Poor visibility becoming excellent in the middle of the day.

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)
08h
210
3
5
13.4
1025
5
07h
200
4
4
13.1
1025
1
06h
190
2
5
13.7
1026
4
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

87
Low tide 02h13 1.86m
High tide 07h46 11.47m
92
Low tide 14h32 1.84m
High tide 20h03 11.88m
www.shom.fr - © SHOM 2026 - Local times
Sun
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