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 80%
Monday 14 september Monday 14 sep
METEO CONSULT Run : 13/09 00Z Mesh : 1km Updated, 2h 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
30
20
10
0
10
5
0
20
15
10
5
0
5
0
0.5
0
3
0
30
25
20
15
90
80
70
60
50
  • Mon 14
  • 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 : 13/09 00Z Mesh : 1km Updated, 2h ago Update in 1h
  • Mon 14
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 305° NW NW
  • 265° W W
  • 260° W W
  • 270° W W
  • 260° W W
  • 240° SW WSW
  • 240° SW WSW
  • 230° SW SW
  • 215° SW SW
  • 205° SW SSW
  • 180° S S
  • 135° SE SE
  • 80° E E
  • 25° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 35° NE NNE
  • 40° NE NE
  • 45° NE NE
  • 55° NE ENE
  • 70° E ENE
  • 55° NE NE
  • 275° W W
  • 3 6 2 4 2
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 3 5 1 3 1
  • 2 4 1 2 1
  • 3 5 1 3 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 3 1 2 1
  • 1 2 1 1 1
  • 3 6 2 4 2
  • 5 10 3 6 2
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 4 8 2 5 2
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 7 13 4 8 3
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 8 2 5 2
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 8 14 4 9 3
  • 10 18 5 11 3
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 11 21 6 13 4
  • 10 18 5 11 3
  • 8 15 4 9 3
  • 6 12 3 7 3
  • 5 10 3 6 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
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 5° N N
  • 5° N N
  • 5° N N
  • 5° N N
  • 15° N NNE
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 310° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 305° NW NW
  • 330° NW NNW
  • 330° NW NNW
  • 325° NW NW
  • 320° NW NW
  • 315° NW NW
  • 315° NW NW
  • 0.3
  • 0.2
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  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 4
  • 8
  • 9
  • 9
  • 9
  • 7
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  • 5
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  • 130
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  • 70
  • 30
  • 45
  • 50
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  • 70
  • 70
  • 9.4
  • 7.0
  • 4.5
  • 2.5
  • 1.4
  • 1.5
  • 3.2
  • 6.0
  • 9.0
  • 11.3
  • 12.0
  • 11.4
  • 9.7
  • 7.5
  • 5.1
  • 3.0
  • 1.8
  • 1.6
  • 2.9
  • 5.5
  • 8.6
  • 11.0
  • 12.0
  • 11.6
  • 21 69
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  • 15
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  • 5
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 5
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
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  • 0
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  • 0
  • 0
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  • 0
  • 0
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  • 0
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  • 5
  • 5
  • 4
  • 4
  • 4
  • 3
  • 4
  • 4
  • 4
  • 5
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 10
  • 5
  • 5
  • 1026
  • 1026
  • 1026
  • 1025
  • 1025
  • 1025
  • 1025
  • 1025
  • 1025
  • 1025
  • 1026
  • 1026
  • 1025
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  • 1025
  • 1024
  • 1024
  • 1023
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  • 1022
  • 1022
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  • 1022
  • 1022
  • 0
  • 0
  • 0
  • 0
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  • 0
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  • 0
  • 0
  • 1
  • 3
  • 5
  • 5
  • 5
  • 4
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 18 65
  • 18 64
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  • 17 63
  • 17 63
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  • 17 62
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  • 18 64
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  • 17 63
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  • 28 83
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  • 25 77
  • 24 76
  • 23 73
  • 18 65
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  • 18 64
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.
For the night from Sunday to Monday NW force 2 turning W force 1 in the middle of the night then WSW. Gusts reaching 7 knots in the early part of the night.

Smooth sea becoming smooth to slight at the end of the night. Low, short swell from N then from NW at the end of the night. Poor visibility becoming reduced by mist in the middle of the night. Daytime of Monday 14 september : There will be a considerable improvement in the situation.

Skies very cloudy to overcast in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, clear skies.
SW force 1 freshening NNE force 3 in the middle of the day then becoming ENE. Gusts reaching 13 knots in the middle of the day. Smooth to slight sea temporarily smooth in the middle of the day. Low, short swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then poor.

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)
07h
200
4
4
13.1
1025
1
06h
190
2
5
13.7
1026
4
05h
190
3
4
13.7
1026
1
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

93
Low tide 04h31 1.27m
High tide 09h54 12.02m
89
Low tide 16h42 1.48m
High tide 22h06 12.04m
www.shom.fr - © SHOM 2026 - Local times
Sun
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Sun
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