Weather port Saint-Cast-le-Guildo

Saint-Cast-le-Guildo FRALon : -2°14’,7 W Lat : 48°38’,298 N Alt : 0m
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Weather Risk Briefing
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Wed
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BULLETIN

Reliability 80%
Tuesday 29 september Tuesday 29 sep
METEO CONSULT Run : 29/09 06Z Mesh : 1km Updated, 12min 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

Offshore

Offshore wind
Offshore sea (m)
30
20
10
0
60
50
40
30
20
10
20
15
10
5
0
40
30
20
10
0
10
5
0
0.5
0
3
0
30
25
20
15
90
80
70
60
50
  • Wed 30
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
Run : 29/09 06Z Mesh : 1km Updated, 12min ago Update in 3h
  • Wed 30
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 145° SE SE
  • 145° SE SSE
  • 150° SE SSE
  • 165° S SSE
  • 160° S SSE
  • 170° S S
  • 165° S SSE
  • 170° S S
  • 165° S SSE
  • 160° S SSE
  • 165° S SSE
  • 165° S SSE
  • 165° S SSE
  • 160° S SSE
  • 165° S SSE
  • 170° S S
  • 175° S S
  • 180° S S
  • 200° S SSW
  • 215° SW SSW
  • 205° SW SSW
  • 200° S SSW
  • 205° SW SSW
  • 205° SW SSW
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 15 28 8 17 4
  • 17 31 9 19 5
  • 16 29 8 18 5
  • 16 30 8 19 5
  • 14 26 7 16 4
  • 12 23 6 14 4
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 11 20 6 12 4
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 9 17 5 11 3
  • 24 44 12 27 6
  • 25 46 13 29 6
  • 26 48 13 30 6
  • 27 50 14 31 7
  • 28 51 14 32 7
  • 29 53 15 33 7
  • 25 47 13 29 6
  • 25 47 13 29 6
  • 23 43 12 27 6
  • 22 40 11 25 6
  • 22 40 11 25 6
  • 21 38 11 24 5
  • 21 38 11 24 5
  • 21 38 11 24 5
  • 21 39 11 24 6
  • 22 41 11 25 6
  • 24 44 12 27 6
  • 23 42 12 26 6
  • 22 41 11 25 6
  • 19 35 10 22 5
  • 17 31 9 19 5
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 17 31 9 19 5
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 5° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N NNE
  • 15° N NNE
  • 20° N NNE
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N NNE
  • 5° N N
  • 5° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 10° N N
  • 0° N N
  • 15° N NNE
  • 15° N NNE
  • 10° N N
  • 0° N N
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 10
  • 9
  • 9
  • 10
  • 10
  • 9
  • 10
  • 10
  • 6
  • 6
  • 6
  • 5
  • 9
  • 10
  • 10
  • 11
  • 11
  • 11
  • 10
  • 10
  • 11
  • 11
  • 10
  • 10
  • 110
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 110
  • 110
  • 110
  • 100
  • 100
  • 100
  • 110
  • 130
  • 140
  • 140
  • 140
  • 140
  • 160
  • 170
  • 150
  • 130
  • 130
  • 9.1
  • 6.7
  • 4.3
  • 2.4
  • 1.4
  • 1.7
  • 3.5
  • 6.5
  • 9.5
  • 11.7
  • 12.2
  • 11.5
  • 9.7
  • 7.4
  • 5.0
  • 2.9
  • 1.7
  • 1.5
  • 2.9
  • 5.6
  • 8.7
  • 11.1
  • 12.1
  • 11.6
  • 19 66
  • 19 66
  • 19 66
  • 19 66
  • 19 66
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
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  • 19 66
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  • 19 66
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 19 67
  • 0
  • 0
  • 0
  • 30
  • 40
  • 50
  • 20
  • 30
  • 35
  • 85
  • 65
  • 85
  • 80
  • 90
  • 90
  • 95
  • 100
  • 70
  • 100
  • 85
  • 75
  • 75
  • 60
  • 60
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 20
  • 20
  • 50
  • 65
  • 70
  • 60
  • 40
  • 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
  • 10
  • >20
  • >20
  • 1012
  • 1012
  • 1011
  • 1010
  • 1010
  • 1010
  • 1009
  • 1009
  • 1009
  • 1009
  • 1009
  • 1009
  • 1009
  • 1009
  • 1008
  • 1008
  • 1008
  • 1008
  • 1009
  • 1010
  • 1011
  • 1012
  • 1013
  • 1013
  • 3
  • 3
  • 4
  • 3
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 1
  • 22 72
  • 22 72
  • 23 73
  • 23 74
  • 24 74
  • 24 75
  • 23 74
  • 23 73
  • 22 71
  • 21 70
  • 21 70
  • 21 69
  • 20 68
  • 20 68
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  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 19 67
  • 19 66
  • 19 65
  • 19 66
  • 19 67
  • 25 77
  • 26 78
  • 27 80
  • 25 77
  • 24 76
  • 24 76
  • 23 73
  • 22 72
  • 21 70
  • 20 68
  • 20 69
  • 20 68
  • 20 67
  • 16 61
  • 16 61
  • 16 60
  • 19 66
  • 16 61
  • 16 61
  • 17 62
  • 16 61
  • 16 61
  • 17 62
  • 18 65
  • 15 28 4 8 17
  • 16 29 5 8 18
  • 17 31 5 9 19
  • 17 31 5 9 19
  • 18 33 5 9 21
  • 17 32 5 9 20
  • 17 31 5 9 19
  • 16 29 5 8 18
  • 15 28 4 8 17
  • 16 30 5 8 19
  • 16 29 5 8 18
  • 15 28 4 8 17
  • 16 29 5 8 18
  • 13 25 4 7 16
  • 16 30 5 8 19
  • 17 32 5 9 20
  • 15 27 4 8 17
  • 15 28 4 8 17
  • 13 25 4 7 16
  • 11 21 4 6 13
  • 12 23 4 6 14
  • 12 22 4 6 14
  • 13 24 4 7 15
  • 13 25 4 7 16
  • 0.8
  • 0.8
  • 0.8
  • 0.9
  • 0.9
  • 0.9
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.4
  • 0.4
  • 0.4
  • 0.5
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

A southeasterly, very strong and particularly variable flow prevails over the whole area.

For Saint-Cast-le-Guildo :
No gale warning.

The reliability of the situation is assessed at 80%.

Relatively clear skies becoming changeable. In the evening, very cloudy.
No precipitation. SSE force 5 in the middle of the day becoming force 4 in the evening. Gusts reaching 29 knots in the middle of the day. Smooth to slight sea becoming smooth in the evening. Low, fairly long swell from N. Excellent visibility.

semaphore stations

Station Dinard located 14 km from Saint-Cast-le-Guildo
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
12h
150
12
21
22.2
1012
5
11h
150
10
15
19.8
1012
6
10h
110
4
12
18.7
1012
9
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Saint-Cast

98
Low tide 04h07 1.16m
High tide 09h29 12.29m
96
Low tide 16h24 1.34m
High tide 21h48 12.25m
www.shom.fr - © SHOM 2026 - Local times

Go further

Tue
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