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%
Monday 21 september Monday 21 sep
METEO CONSULT Run : 13/09 00Z Mesh : 19km Updated, 11h 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
20
15
10
5
0
40
30
20
10
0
10
5
0
20
15
10
5
10
5
0
1.5
1
0.5
0
3
0
30
25
20
15
10
80
70
60
50
  • Mon 21
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Run : 13/09 00Z Mesh : 19km Updated, 11h ago Update imminent
  • Mon 21
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  • 10° N NNE
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  • 10° N N
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  • 5 9 3 6 2
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  • 1.4
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  • 295° NW WNW
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  • 305° NW WNW
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  • 0.4
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Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.


For the night from Sunday to Monday NNE wind force 2 continuing all night. Gusts reaching 11 knots.

Slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming poor at the end of the night. Daytime of Monday 21 september : Warning:reduced visibility early in the day.

Fog giving way to sun in early morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
NE wind force 3 continuing all day. Gusts reaching 16 knots in the evening. Slight sea. Low, fairly long swell from WNW. 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)
20h
0
7
9
18.7
1025
0
19h
350
10
15
19.6
1025
0
18h
350
10
15
20.2
1025
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

24
High tide 03h26 7.69m
Low tide 09h55 5.66m
29
High tide 16h20 8.09m
Low tide 22h54 5.05m
www.shom.fr - © SHOM 2026 - Local times
Sun
13
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