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%
Sunday 27 september Sunday 27 sep
METEO CONSULT Run : 14/09 00Z Mesh : 19km Updated, 5h 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
15
10
5
0
20
15
10
5
0
10
5
0
15
10
5
0
5
0
1
0.5
0
3
0
30
25
20
15
10
80
70
60
50
  • Sun 27
  • 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 : 14/09 00Z Mesh : 19km Updated, 5h ago Update in 1h
  • Sun 27
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 10° N N
  • 200° S SSW
  • 200° S SSW
  • 200° S SSW
  • 185° S S
  • 185° S S
  • 185° S S
  • 170° S S
  • 170° S S
  • 170° S S
  • 195° S SSW
  • 195° S SSW
  • 195° S SSW
  • 230° SW SW
  • 230° SW SW
  • 230° SW SW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 0° 0 0
  • 0° 0 0
  • 0° 0 0
  • 335° NW NNW
  • 335° NW NNW
  • 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
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 2 3 1 2 1
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 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
  • 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
  • 0.4
  • 0.4
  • 315° 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
  • 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
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 315° NW NW
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • <0.1
  • <0.1
  • <0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.3
  • 0.3
  • 13
  • 6
  • 6
  • 6
  • 13
  • 13
  • 13
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 6
  • 13
  • 13
  • 13
  • 6
  • 6
  • 6
  • 12
  • 12
  • 290
  • 290
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  • 290
  • 280
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  • 270
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  • 260
  • 260
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  • 250
  • 250
  • 250
  • 240
  • 240
  • 240
  • 240
  • 240
  • 5.4
  • 3.3
  • 1.9
  • 1.5
  • 2.5
  • 4.9
  • 7.8
  • 10.4
  • 11.8
  • 11.7
  • 10.5
  • 8.5
  • 6.1
  • 3.9
  • 2.2
  • 1.5
  • 2.1
  • 4.2
  • 7.1
  • 10.0
  • 11.9
  • 12.2
  • 11.2
  • 9.3
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
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  • 19 67
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  • 50
  • 50
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  • 45
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  • 45
  • 45
  • 50
  • 50
  • 50
  • 45
  • 45
  • 45
  • 40
  • 40
  • 40
  • 45
  • 45
  • 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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  • -
  • -
  • -
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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
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 1018
  • 1018
  • 1018
  • 1018
  • 1018
  • 1018
  • 1018
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  • 1018
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 2
  • 2
  • 2
  • 5
  • 5
  • 5
  • 2
  • 2
  • 2
  • 0
  • 0
  • 0
  • 0
  • 0
  • 17 63
  • 15 60
  • 15 60
  • 15 60
  • 15 58
  • 15 58
  • 15 58
  • 14 57
  • 14 57
  • 14 57
  • 19 66
  • 19 66
  • 19 66
  • 24 75
  • 24 75
  • 24 75
  • 21 70
  • 21 70
  • 21 70
  • 18 64
  • 18 64
  • 18 64
  • 16 61
  • 16 61
  • 17 62
  • 15 59
  • 15 59
  • 15 59
  • 14 57
  • 14 57
  • 14 57
  • 13 55
  • 13 55
  • 13 55
  • 20 67
  • 20 67
  • 20 67
  • 26 79
  • 26 79
  • 26 79
  • 23 74
  • 23 74
  • 23 74
  • 19 67
  • 19 67
  • 19 67
  • 15 60
  • 15 60
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.


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

Smooth to slight sea. Low, long swell from NW. Excellent visibility. Daytime of Sunday 27 september : The sky will remain changeable.

Cloud and long sunny periods. No precipitation. In the evening, lots of good clear periods.
No precipitation. S force 1 turning SW in the middle of the day then N force 2. Gusts reaching 9 knots all day. Smooth to slight sea. Low, long swell from NW. Excellent visibility.

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)
14h
30
5
12
22.4
1024
0
13h
10
5
9
22.1
1025
0
12h
30
3
5
21.7
1025
11
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

95
Low tide 02h53 1.44m
High tide 08h21 11.92m
97
Low tide 15h11 1.47m
High tide 20h38 12.23m
www.shom.fr - © SHOM 2026 - Local times
Mon
14
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Wed
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Sun
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Tue
22
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Wed
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Sat
26
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Sun
27
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Mon
28
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