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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BULLETIN

Reliability 80%
Saturday 2 may Saturday 2 may
METEO CONSULT Run : 1/05 00Z Mesh : 1km Updated, 2h ago Update in 4h

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)
20
15
10
5
0
40
30
20
10
0
15
10
5
0
25
20
15
10
5
0
10
5
0
0.5
0
3
0
20
15
10
5
65
60
55
50
  • Sun 3
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
Run : 1/05 00Z Mesh : 1km Updated, 2h ago Update in 4h
  • Sun 3
  • 05h
  • 06h
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 25° NE NNE
  • 45° NE NE
  • 60° NE ENE
  • 85° E E
  • 95° E E
  • 130° SE SE
  • 125° SE SE
  • 120° SE ESE
  • 165° S SSE
  • 160° S SSE
  • 165° S SSE
  • 165° S SSE
  • 180° S S
  • 180° S S
  • 180° S S
  • 190° S S
  • 190° S S
  • 190° S S
  • 195° S SSW
  • 200° S SSW
  • 205° SW SSW
  • 210° SW SSW
  • 210° SW SSW
  • 210° SW SSW
  • 4 7 2 4 2
  • 4 8 2 5 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 3 6 2 4 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 9 17 5 11 3
  • 10 18 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 8 15 4 9 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 8 14 4 9 3
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 13 24 7 15 4
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 19 36 10 22 5
  • 19 35 10 22 5
  • 18 34 9 21 5
  • 17 32 9 20 5
  • 17 31 9 19 5
  • 16 30 8 19 5
  • 15 27 8 17 4
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 10 18 5 11 3
  • 10 18 5 11 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
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0.1
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 15° N NNE
  • 10° N N
  • 10° N N
  • 20° N NNE
  • 25° NE NNE
  • 25° NE NNE
  • 25° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 30° NE NNE
  • 45° NE NE
  • 25° NE NNE
  • 25° NE NNE
  • 20° N NNE
  • 15° N NNE
  • 10° N N
  • 5° N N
  • 355° N N
  • 10° N N
  • 5° N N
  • 5° N N
  • 10° N N
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 10
  • 6
  • 5
  • 5
  • 4
  • 4
  • 3
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • 8
  • 8
  • 8
  • 9
  • 9
  • 9
  • 8
  • 9
  • 9
  • 9
  • 9
  • 180
  • 60
  • 50
  • 40
  • 35
  • 120
  • 120
  • 110
  • 110
  • 110
  • 110
  • 100
  • 100
  • 100
  • 110
  • 110
  • 120
  • 120
  • 110
  • 100
  • 110
  • 110
  • 110
  • 110
  • 5.1
  • 7.7
  • 10.0
  • 11.2
  • 11.1
  • 10.0
  • 8.2
  • 6.1
  • 4.1
  • 2.6
  • 2.0
  • 2.5
  • 4.4
  • 7.0
  • 9.5
  • 11.1
  • 11.3
  • 10.5
  • 8.8
  • 6.7
  • 4.6
  • 2.9
  • 2.0
  • 2.3
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
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  • 13 56
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  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 55
  • 13 56
  • 13 56
  • 0
  • 0
  • 85
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 90
  • 85
  • 95
  • 100
  • 75
  • 65
  • 50
  • 60
  • 65
  • 60
  • 65
  • 45
  • 80
  • 0
  • 0
  • 0.4
  • 0
  • 0
  • 2
  • 0.9
  • 1.2
  • 0.2
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 0
  • 100
  • 0
  • 40
  • 70
  • 85
  • 75
  • 60
  • 60
  • 40
  • 30
  • 25
  • 35
  • 40
  • 40
  • 25
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.5
  • 1
  • 2
  • 3
  • 4
  • 5
  • 5
  • 10
  • 15
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 10
  • 5
  • 5
  • 5
  • 5
  • 5
  • 5
  • 4
  • 1019
  • 1018
  • 1018
  • 1017
  • 1017
  • 1016
  • 1016
  • 1015
  • 1015
  • 1014
  • 1013
  • 1012
  • 1012
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1010
  • 0
  • 0
  • 0
  • 0
  • 0
  • 1
  • 2
  • 2
  • 3
  • 3
  • 3
  • 3
  • 2
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 12 54
  • 12 54
  • 13 55
  • 13 55
  • 14 56
  • 14 57
  • 15 59
  • 16 60
  • 16 60
  • 16 60
  • 16 61
  • 16 62
  • 17 63
  • 17 62
  • 17 62
  • 16 61
  • 16 60
  • 15 59
  • 14 58
  • 14 57
  • 14 57
  • 13 56
  • 13 55
  • 13 55
  • 11 51
  • 11 52
  • 11 52
  • 12 53
  • 13 55
  • 14 57
  • 14 58
  • 16 60
  • 15 58
  • 15 59
  • 15 59
  • 15 58
  • 17 62
  • 15 58
  • 15 59
  • 14 57
  • 13 56
  • 13 55
  • 12 54
  • 12 53
  • 11 52
  • 11 52
  • 11 51
  • 10 51
  • 6 12 3 3 7
  • 8 14 3 4 9
  • 9 16 3 4 10
  • 9 17 3 5 11
  • 10 19 3 5 12
  • 10 19 3 5 12
  • 9 16 3 4 10
  • 8 15 3 4 9
  • 8 14 3 4 9
  • 9 16 3 4 10
  • 8 15 3 4 9
  • 6 11 2 3 7
  • 5 10 2 3 6
  • 4 7 2 2 4
  • 3 6 2 2 4
  • 5 9 2 3 6
  • 3 5 1 1 3
  • 4 7 2 2 4
  • 5 9 2 3 6
  • 7 13 3 4 8
  • 7 13 3 4 8
  • 8 15 3 4 9
  • 9 16 3 4 10
  • 9 16 3 4 10
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 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
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption   Glossary

Expert opinion

Low 1012 hPa centered on the Celtic Sea moving at 23 knots to the East and dropping to 1008 hPa to be centered on the center of England.

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

The reliability of the situation is assessed at 80%.

Overcast with reduced visibility in the morning, very cloudy in the afternoon. Showers will gradually become less frequent during the afternoon. In the evening, clear periods developing.
Possibility of showers E force 2 turning SSE force 3 in the middle of the day then S. Gusts reaching 19 knots in the middle of the day. Smooth sea. Low, short swell from N. Visibility reduced by mist becoming good in the middle of the day then poor.

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)
05h
40
7
10
11.4
1019
2
04h
340
8
10
10.9
1020
4
03h
0
0
7
10.4
1020
2
observation.semaphores_link
Météo France - RADOME
observation.semaphore_link

Tides at Saint-Cast

82
Low tide 02h51 1.95m
High tide 08h20 11.32m
82
Low tide 15h09 1.99m
High tide 20h37 11.42m
www.shom.fr - © SHOM 2026 - Local times

Go further

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* +33 1 77 86 86 86: short number of forecasts for France accessible from France - €2.99 per call** 0899 70 12 34: number of forecasts for France and the World accessible from France - €2.99 per call



        
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