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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Wed
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BULLETIN

Reliability 65%
Wednesday 16 september Wednesday 16 sep
METEO CONSULT Run : 11/09 00Z Mesh : 19km Updated, 55min 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
40
30
20
10
0
10
5
0
25
20
15
10
5
0
10
5
0
1.5
1
0.5
0
3
0
20
15
10
70
65
60
55
50
  • Wed 16
  • 00h
  • 01h
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  • 11h
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  • 14h
  • 15h
  • 16h
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  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 11/09 00Z Mesh : 19km Updated, 55min ago Update in 5h
  • Wed 16
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
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  • 19h
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  • 325° NW NNW
  • 325° NW NW
  • 325° NW NW
  • 320° NW NW
  • 320° NW NW
  • 320° NW NW
  • 325° NW NW
  • 325° NW NW
  • 330° NW NNW
  • 335° NW NNW
  • 340° N NNW
  • 345° N NNW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 335° NW NNW
  • 325° NW NNW
  • 315° NW NW
  • 300° NW WNW
  • 9 17 5 11 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 6 12 3 7 3
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 18 34 9 21 5
  • 18 33 9 21 5
  • 18 34 9 21 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 15 28 8 17 4
  • 14 26 7 16 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 16 29 8 18 5
  • 17 31 9 19 5
  • 17 32 9 20 5
  • 17 32 9 20 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 16 30 8 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 17 31 9 19 5
  • 13 25 7 16 4
  • 11 21 6 13 4
  • 9 17 5 11 3
  • 1
  • 1
  • 1
  • 1
  • 0.9
  • 0.9
  • 0.9
  • 0.9
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 290° W WNW
  • 290° W 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
  • 300° NW WNW
  • 305° NW NW
  • 315° NW NW
  • 310° NW NW
  • 310° NW NW
  • 305° NW NW
  • 305° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 295° NW WNW
  • 295° NW WNW
  • 0.4
  • 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
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 6
  • 5
  • 5
  • 5
  • 5
  • 4
  • 4
  • 4
  • 4
  • 4
  • 5
  • 5
  • 5
  • 4
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  • 20
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  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 20
  • 10.4
  • 8.8
  • 6.8
  • 4.8
  • 3.3
  • 2.5
  • 2.7
  • 4.2
  • 6.5
  • 8.8
  • 10.5
  • 11.0
  • 10.4
  • 9.0
  • 7.2
  • 5.3
  • 3.7
  • 2.8
  • 2.8
  • 4.0
  • 6.0
  • 8.2
  • 10.0
  • 10.6
  • 21 69
  • 21 69
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  • 55
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  • 75
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  • 65
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  • 60
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  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 10
  • 10
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1024
  • 1025
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  • 0
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  • 1
  • 2
  • 3
  • 3
  • 3
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  • 2
  • 1
  • 1
  • 0
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  • 16 60
  • 15 59
  • 15 58
  • 14 58
  • 14 57
  • 14 57
  • 14 57
  • 14 56
  • 13 56
  • 14 58
  • 15 60
  • 17 63
  • 17 62
  • 17 63
  • 19 67
  • 18 64
  • 18 65
  • 19 66
  • 18 65
  • 17 63
  • 17 62
  • 16 60
  • 15 59
  • 14 57
  • 12 54
  • 12 54
  • 12 53
  • 12 53
  • 12 53
  • 12 53
  • 11 52
  • 11 52
  • 11 52
  • 12 54
  • 14 56
  • 16 60
  • 16 60
  • 16 61
  • 19 66
  • 18 64
  • 18 64
  • 19 65
  • 18 64
  • 17 63
  • 16 62
  • 15 60
  • 14 57
  • 13 56
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

The reliability of the situation is poor.
For the night from Tuesday to Wednesday NNW wind force 3 continuing all night. Gusts reaching 18 knots in the early part of the night.

Slight sea. Low, short swell from WNW. Excellent visibility becoming good at the end of the night. Daytime of Wednesday 16 september : The sky will remain changeable.

Skies changeable to very cloudy. No precipitation. In the evening, good clear periods but lots of cloud, too.
No precipitation. NNW wind force 3 continuing all day. Gusts reaching 17 knots until the middle of the day. Slight sea becoming smooth to slight in the evening. 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)
09h
200
6
10
16
1021
14
08h
220
6
9
15.2
1020
11
07h
220
8
14
15.3
1020
2
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

70
Low tide 05h22 2.41m
High tide 10h49 10.99m
63
Low tide 17h34 2.69m
High tide 23h00 10.6m
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
17
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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
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Thu
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