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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Sun
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Wed
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BULLETIN

Reliability 75%
Thursday 13 august Thursday 13 aug
METEO CONSULT Run : 10/08 18Z Mesh : 1km Updated, 16min ago Update in 3h

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
30
20
10
0
40
30
20
10
0
15
10
5
0
30
20
10
0
10
5
0
0.5
0
3
0
40
35
30
25
20
15
100
90
80
70
60
  • Thu 13
  • 00h
  • 01h
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  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
Run : 10/08 18Z Mesh : 1km Updated, 16min ago Update in 3h
  • Thu 13
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 175° S S
  • 300° NW WNW
  • 280° W WNW
  • 290° W WNW
  • 280° W W
  • 280° W W
  • 270° W W
  • 275° W W
  • 280° W W
  • 290° W WNW
  • 290° W WNW
  • 300° NW WNW
  • 315° NW NW
  • 330° NW NNW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 340° N NNW
  • 335° NW NNW
  • 330° NW NNW
  • 330° NW NNW
  • 325° NW NNW
  • 325° NW NW
  • 320° NW NW
  • 1 1 0 1 1
  • 2 4 1 2 1
  • 2 4 1 2 1
  • 2 4 1 2 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
  • 3 5 1 3 1
  • 4 7 2 4 2
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 10 3 6 2
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 10 18 5 11 3
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 11 20 6 12 4
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 9 17 5 11 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
  • 8 15 4 9 3
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 12 23 6 14 4
  • 13 25 7 16 4
  • 15 27 8 17 4
  • 17 31 9 19 5
  • 18 34 9 21 5
  • 19 36 10 22 5
  • 20 37 10 23 5
  • 19 36 10 22 5
  • 18 34 9 21 5
  • 17 31 9 19 5
  • 16 29 8 18 5
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.4
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
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  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 40° NE NE
  • 40° NE NE
  • 35° NE NE
  • 25° NE NNE
  • 20° N NNE
  • 50° NE NE
  • 60° NE ENE
  • 70° E ENE
  • 85° E E
  • 150° SE SSE
  • 220° SW SW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 0.2
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  • 0.2
  • 0.3
  • 0.3
  • 0.2
  • 0.2
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  • 0.2
  • 0.2
  • 0.2
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  • 0.2
  • 0.2
  • 3
  • 3
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  • 2
  • 2
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  • 15
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  • 30
  • 60
  • 10
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  • 20
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  • 20
  • 20
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  • 15
  • 10
  • 9
  • 9
  • 10
  • 10
  • 5.4
  • 3.3
  • 1.8
  • 1.3
  • 2.2
  • 4.4
  • 7.3
  • 10.0
  • 11.6
  • 11.7
  • 10.7
  • 8.8
  • 6.4
  • 4.1
  • 2.4
  • 1.5
  • 1.9
  • 3.8
  • 6.8
  • 9.7
  • 11.8
  • 12.4
  • 11.6
  • 9.8
  • 21 70
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  • 5
  • 25
  • 30
  • 0
  • 0
  • 0
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  • 0
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  • 0
  • 0
  • 0
  • -
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  • -
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  • -
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  • 0
  • 0
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  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
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  • 0
  • 0
  • 0
  • 0
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  • 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
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  • >20
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  • 5
  • 1020
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  • 1019
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  • 0
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  • 1
  • 2
  • 3
  • 5
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  • 7
  • 7
  • 5
  • 4
  • 2
  • 1
  • 0
  • 0
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  • 26 78
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  • 23 73
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  • 31 87
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  • 22 72
Forecasts established in local time
Caption   Glossary

Expert opinion

For Mouillage de Saint-Cast :
No gale warning.

The reliability of the situation is limited.
For the night from Wednesday to Thursday S force 1 turning WNW in the middle of the night then W. Gusts reaching 11 knots in the early part of the night.

Smooth sea becoming smooth to slight at the end of the night. Low, short swell from NE. Excellent visibility. Daytime of Thursday 13 august : The weather will be good.

Warm sun all day. In the evening, clear skies becoming somewhat cloudy.
WNW force 2 in the morning freshening NNW force 4 in the middle of the day. Gusts reaching 20 knots in the evening. Smooth to slight sea temporarily smooth in the middle of the day. Low, short swell from ENE then from WNW in the middle of the day then, fairly long swell from WNW. Excellent visibility becoming poor in the evening.

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)
00h
0
7
11
17.4
1021
11
23h
340
8
12
17.9
1021
12
22h
330
9
15
18.5
1021
12
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

97
Low tide 02h58 1.33m
High tide 08h33 11.83m
100
Low tide 15h18 1.43m
High tide 20h48 12.38m
www.shom.fr - © SHOM 2026 - Local times
Tue
11
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Wed
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Thu
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Fri
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Sat
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Sun
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Mon
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Tue
18
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Tue
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