Weather beach Plage du Porteau

Pornic FRALon : -2°8’,8272 W Lat : 47°6’,792 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 75%
Tuesday 25 august Tuesday 25 aug
METEO CONSULT Run : 25/08 03Z Mesh : 1km Updated, 7min 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)
20
15
10
5
30
20
10
0
10
5
0
20
15
10
5
10
5
0
1
0.5
0
3
0
30
25
20
15
10
90
80
70
60
50
  • Wed 26
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
Run : 25/08 03Z Mesh : 1km Updated, 7min ago Update in 3h
  • Wed 26
  • 07h
  • 08h
  • 09h
  • 10h
  • 11h
  • 12h
  • 13h
  • 14h
  • 15h
  • 16h
  • 17h
  • 18h
  • 19h
  • 20h
  • 21h
  • 22h
  • 23h
  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 06h
  • 250° W WSW
  • 250° W WSW
  • 255° W WSW
  • 265° W W
  • 255° W WSW
  • 250° W WSW
  • 235° SW SW
  • 230° SW SW
  • 240° SW WSW
  • 230° SW SW
  • 225° SW SW
  • 230° SW SW
  • 235° SW SW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 235° SW SW
  • 220° SW SW
  • 205° SW SSW
  • 185° S S
  • 165° S SSE
  • 170° S SSE
  • 155° SE SSE
  • 5 9 3 6 2
  • 5 10 3 6 2
  • 6 11 3 7 2
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 8 15 4 9 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 9 16 4 10 3
  • 9 17 5 11 3
  • 9 17 5 11 3
  • 8 15 4 9 3
  • 9 16 4 10 3
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 6 11 3 7 2
  • 5 9 3 6 2
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 11 20 6 12 4
  • 11 21 6 13 4
  • 11 21 6 13 4
  • 11 20 6 12 4
  • 12 22 6 14 4
  • 13 25 7 16 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 14 26 7 16 4
  • 15 27 8 17 4
  • 15 28 8 17 4
  • 16 29 8 18 5
  • 15 27 8 17 4
  • 16 29 8 18 5
  • 15 27 8 17 4
  • 12 23 6 14 4
  • 11 21 6 13 4
  • 10 18 5 11 3
  • 10 18 5 11 3
  • 9 16 4 10 3
  • 9 16 4 10 3
  • 10 19 5 12 3
  • 11 21 6 13 4
  • 10 19 5 12 3
  • 0.2
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.4
  • 0.3
  • 0.3
  • 0.4
  • 0.4
  • 0.4
  • 0.5
  • 0.5
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.2
  • 0.2
  • 0.2
  • 0.3
  • 0.3
  • 0.4
  • 0.3
  • 0.2
  • 0.2
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 0.1
  • 220° SW SW
  • 220° SW SW
  • 235° SW SW
  • 225° SW SW
  • 240° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 265° W W
  • 250° W WSW
  • 260° W W
  • 245° SW WSW
  • 210° SW SSW
  • 210° SW SSW
  • 210° SW SSW
  • 200° S SSW
  • 245° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 250° W WSW
  • 245° SW WSW
  • 245° SW WSW
  • 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
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.3
  • 0.4
  • 0.5
  • 0.5
  • 5
  • 5
  • 7
  • 5
  • 6
  • 7
  • 7
  • 7
  • 6
  • 6
  • 7
  • 6
  • 7
  • 4
  • 3
  • 4
  • 4
  • 6
  • 6
  • 6
  • 6
  • 5
  • 7
  • 7
  • 45
  • 60
  • 45
  • 50
  • 90
  • 100
  • 90
  • 80
  • 80
  • 80
  • 25
  • 20
  • 25
  • 25
  • 25
  • 30
  • 30
  • 90
  • 90
  • 80
  • 70
  • 40
  • 60
  • 60
  • 3.8
  • 3.2
  • 2.6
  • 2.4
  • 2.4
  • 2.9
  • 3.6
  • 4.3
  • 4.9
  • 5.2
  • 5.2
  • 4.7
  • 4.0
  • 3.3
  • 2.6
  • 2.2
  • 2.1
  • 2.4
  • 3.0
  • 3.8
  • 4.5
  • 5.0
  • 5.1
  • 4.8
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
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  • 20 69
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 68
  • 20 67
  • 20 67
  • 40
  • 35
  • 0
  • 35
  • 35
  • 25
  • 50
  • 45
  • 35
  • 75
  • 80
  • 80
  • 55
  • 45
  • 45
  • 35
  • 25
  • 30
  • 40
  • 25
  • 65
  • 90
  • 90
  • 85
  • 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
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 10
  • 10
  • 10
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 2
  • 4
  • 5
  • 10
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • >20
  • 10
  • 10
  • 10
  • 10
  • 10
  • 5
  • 5
  • 4
  • 4
  • 1008
  • 1008
  • 1009
  • 1010
  • 1010
  • 1010
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1011
  • 1012
  • 1012
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1013
  • 1012
  • 0
  • 0
  • 1
  • 1
  • 3
  • 4
  • 5
  • 6
  • 5
  • 3
  • 2
  • 1
  • 1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 15 59
  • 16 60
  • 18 64
  • 20 68
  • 21 70
  • 21 70
  • 22 72
  • 22 72
  • 22 72
  • 22 72
  • 22 72
  • 22 72
  • 22 71
  • 21 70
  • 20 68
  • 20 67
  • 19 67
  • 19 66
  • 18 65
  • 18 65
  • 18 64
  • 18 65
  • 19 65
  • 18 65
  • 13 56
  • 14 58
  • 18 64
  • 24 75
  • 26 78
  • 27 80
  • 28 83
  • 28 82
  • 28 83
  • 26 79
  • 26 79
  • 26 79
  • 24 76
  • 22 71
  • 21 69
  • 17 63
  • 17 62
  • 17 62
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 16 61
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 11 2 3 7
  • 6 12 3 3 7
  • 6 11 2 3 7
  • 6 12 3 3 7
  • 6 11 2 3 7
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 8 14 3 4 9
  • 8 15 3 4 9
  • 10 18 3 5 11
  • 10 18 3 5 11
  • 8 15 3 4 9
  • 7 13 3 4 8
  • 5 10 2 3 6
  • 4 8 2 2 5
  • 4 8 2 2 5
  • 4 7 2 2 4
  • 5 10 2 3 6
  • 6 12 3 3 7
  • 7 13 3 4 8
  • 6 11 2 3 7
  • 7 13 3 4 8
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.5
  • 0.6
  • 0.6
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.7
  • 0.8
  • 0.8
  • 0.8
  • 0.8
  • 0.9
  • 0.9
Forecasts established in local time
Caption   Glossary

Expert opinion

Low 1008 hPa centered on the South-East of the Bay of Biscay moving at 23 knots to the North-West to be centered at 50 nautical miles in the West-North-West of Ouessant.

For Plage du Porteau :
No gale warning.

We are 75% sure of the situation, because the high pressure system could move in more quickly than forecast.

Fog giving way to sun in early morning, cloud and sun in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. W force 3 in the morning turning SW in the evening. Gusts reaching 16 knots in the evening. Smooth to slight sea. Low, fairly long swell from WSW. Visibility reduced by mist becoming excellent in the middle of the day then good.

semaphore stations

Station Pte De Chemoulin located 18 km from Plage du Porteau
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
07h
100
5
9
-
-
0
06h
30
8
15
-
-
0
05h
40
11
18
-
-
11
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Pornic

51
High tide 04h21 4.81m
Low tide 10h20 2.36m
57
High tide 16h17 5.25m
Low tide 22h41 2.08m
www.shom.fr - © SHOM 2026 - Local times

Go further

Tue
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