Weather anchorage Grève de Blainvillais

Granville FRALon : -1°49’,6206 W Lat : 48°52’,446 N Alt : 0m
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Weather Risk Briefing
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Mon
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Tue
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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
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Wed
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Sat
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BULLETIN

Reliability 75%
Sunday 20 september Sunday 20 sep
METEO CONSULT Run : 20/09 03Z Mesh : 1km Updated, 1h 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
20
15
10
5
0
40
30
20
10
0
15
10
5
0
25
20
15
10
5
10
5
0
1
0.5
0
3
0
25
20
15
10
70
65
60
55
50
  • Mon 21
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
Run : 20/09 03Z Mesh : 1km Updated, 1h ago Update in 3h
  • Mon 21
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 07h
  • 265° W W
  • 270° W W
  • 270° W W
  • 275° W W
  • 285° W WNW
  • 290° W WNW
  • 290° W WNW
  • 290° W WNW
  • 305° NW WNW
  • 315° NW NW
  • 310° NW NW
  • 310° NW NW
  • 315° NW NW
  • 330° NW NNW
  • 345° N NNW
  • 355° N N
  • 0° N N
  • 5° N N
  • 10° N NNE
  • 40° NE NE
  • 55° NE NE
  • 70° E ENE
  • 80° E E
  • 100° E E
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 12 22 6 14 4
  • 10 19 5 12 3
  • 10 19 5 12 3
  • 10 18 5 11 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
  • 5 9 3 6 2
  • 5 9 3 6 2
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 4 8 2 5 2
  • 19 35 10 22 5
  • 19 35 10 22 5
  • 19 35 10 22 5
  • 19 35 10 22 5
  • 19 36 10 22 5
  • 18 33 9 21 5
  • 17 31 9 19 5
  • 15 28 8 17 4
  • 14 26 7 16 4
  • 12 23 6 14 4
  • 10 18 5 11 3
  • 10 19 5 12 3
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 11 20 6 12 4
  • 10 19 5 12 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 8 14 4 9 3
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.7
  • 0.7
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.4
  • 0.3
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 275° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 270° W W
  • 280° W W
  • 280° W W
  • 280° W W
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.4
  • 0.5
  • 0.5
  • 0.5
  • 8
  • 8
  • 8
  • 8
  • 8
  • 7
  • 7
  • 7
  • 7
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 8
  • 9
  • 9
  • 8
  • 8
  • 8
  • 90
  • 90
  • 90
  • 90
  • 90
  • 100
  • 100
  • 100
  • 100
  • 100
  • 100
  • 110
  • 110
  • 110
  • 110
  • 110
  • 120
  • 120
  • 120
  • 130
  • 130
  • 110
  • 110
  • 110
  • 6.3
  • 6.5
  • 6.9
  • 7.5
  • 8.1
  • 8.5
  • 8.7
  • 8.6
  • 8.3
  • 7.8
  • 7.3
  • 6.8
  • 6.4
  • 6.3
  • 6.4
  • 6.8
  • 7.3
  • 7.8
  • 8.2
  • 8.5
  • 8.5
  • 8.3
  • 7.9
  • 7.4
  • 20 67
  • 20 67
  • 20 67
  • 20 67
  • 20 67
  • 20 67
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 69
  • 20 69
  • 20 69
  • 20 68
  • 20 68
  • 20 68
  • 20 68
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  • 20 68
  • 20 68
  • 20 68
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  • 20 68
  • 95
  • 100
  • 0
  • 95
  • 95
  • 100
  • 100
  • 100
  • 100
  • 90
  • 65
  • 60
  • 40
  • 25
  • 20
  • 25
  • 45
  • 20
  • 15
  • 20
  • 25
  • 25
  • 25
  • 25
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • -
  • 0
  • 20
  • 0
  • 0
  • 25
  • 25
  • 50
  • 25
  • 25
  • 20
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 5
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 15
  • 15
  • 15
  • 1027
  • 1027
  • 1028
  • 1028
  • 1029
  • 1029
  • 1029
  • 1030
  • 1030
  • 1030
  • 1030
  • 1030
  • 1031
  • 1031
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1032
  • 1033
  • 0
  • 0
  • 0
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 18 64
  • 18 65
  • 18 65
  • 18 65
  • 19 67
  • 19 67
  • 19 67
  • 20 67
  • 19 66
  • 19 66
  • 19 66
  • 19 66
  • 18 65
  • 17 63
  • 17 63
  • 17 62
  • 17 62
  • 17 62
  • 17 62
  • 16 61
  • 15 60
  • 15 59
  • 14 57
  • 14 57
  • 13 56
  • 14 56
  • 16 61
  • 15 58
  • 18 64
  • 17 62
  • 17 62
  • 16 61
  • 16 61
  • 17 63
  • 19 66
  • 17 63
  • 16 60
  • 15 58
  • 14 58
  • 14 58
  • 15 58
  • 15 58
  • 15 58
  • 14 57
  • 14 56
  • 13 55
  • 12 54
  • 12 54
Forecasts established in local time
Caption   Glossary

Expert opinion

For Grève de Blainvillais :
No gale warning.

The reliability of the situation is assessed at 75%.

Sun but cloud increasing in the morning, skies clearing in the afternoon. Risk of some spots of rain in the morning, light showers dying away progressively in the afternoon. In the evening, cloud and long sunny periods.
No precipitation. W force 4 in the morning turning NW force 3 in the evening. Gusts reaching 19 knots in the middle of the day. Slight sea becoming smooth to slight in the evening. Low, fairly long swell from W. Excellent visibility becoming poor in the middle of the day then good.

semaphore stations

Station Granville located 16 km from Grève de Blainvillais
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
08h
240
13
19
-
-
0
07h
250
14
17
-
-
0
06h
220
13
17
-
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Iles Chausey (Grande-Ile)

24
High tide 01h00 8.79m
Low tide 07h50 6.29m
22
High tide 14h02 8.68m
Low tide 21h05 6.3m
© METEOCONSULT 2026 - Local times
Sun
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Mon
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Tue
22
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Wed
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Thu
24
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Fri
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Sat
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Sun
27
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Mon
28
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Tue
29
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Wed
30
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Thu
01
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Fri
02
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Sat
03
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Sun
04
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