Weather beach Plage de Portmain

Pornic FRALon : -2°9’,8766 W Lat : 47°7’,098 N Alt : 0m
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Weather Risk Briefing
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BULLETIN

Reliability 80%
Saturday 19 september Saturday 19 sep
METEO CONSULT Run : 19/09 00Z Mesh : 1km Updated, 1h ago Update in 1h

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)
15
10
5
0
30
20
10
0
10
5
0
20
15
10
5
0
5
0
1
0.5
3
0
30
25
20
15
10
80
70
60
50
  • Sun 20
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  • 00h
  • 01h
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  • 04h
  • 05h
Run : 19/09 00Z Mesh : 1km Updated, 1h ago Update in 1h
  • Sun 20
  • 06h
  • 07h
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  • 00h
  • 01h
  • 02h
  • 03h
  • 04h
  • 05h
  • 255° W WSW
  • 250° W WSW
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  • 250° W WSW
  • 245° SW WSW
  • 250° W WSW
  • 245° SW WSW
  • 240° SW WSW
  • 240° SW WSW
  • 245° SW WSW
  • 245° SW WSW
  • 250° W WSW
  • 260° W W
  • 265° W W
  • 275° W W
  • 280° W W
  • 285° W WNW
  • 280° W WNW
  • 290° W WNW
  • 300° NW WNW
  • 300° NW WNW
  • 300° NW WNW
  • 305° NW NW
  • 310° NW NW
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 8 14 4 9 3
  • 8 14 4 9 3
  • 8 15 4 9 3
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  • 9 16 4 10 3
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  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 11 3 7 2
  • 5 10 3 6 2
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  • 4 8 2 5 2
  • 4 7 2 4 2
  • 5 9 3 6 2
  • 4 7 2 4 2
  • 11 21 6 13 4
  • 12 22 6 14 4
  • 12 22 6 14 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 12 23 6 14 4
  • 13 24 7 15 4
  • 13 25 7 16 4
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  • 14 26 7 16 4
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  • 14 26 7 16 4
  • 13 25 7 16 4
  • 13 24 7 15 4
  • 11 20 6 12 4
  • 10 18 5 11 3
  • 8 15 4 9 3
  • 8 14 4 9 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 6 12 3 7 3
  • 6 12 3 7 3
  • 7 13 4 8 3
  • 7 13 4 8 3
  • 0.6
  • 0.6
  • 0.6
  • 0.6
  • 0.5
  • 0.5
  • 0.5
  • 0.5
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  • 0.6
  • 0.1
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  • 0.1
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  • 0.1
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 0
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
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  • 265° W W
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  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 265° W W
  • 275° W W
  • 0.6
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  • 10
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  • 3.3
  • 3.7
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  • 3.9
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  • >20
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  • 0
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  • 1
  • 1
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  • 2
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  • 2
  • 1
  • 0
  • 0
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  • 0.9
  • 1
  • 0.9
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Forecasts established in local time
Caption   Glossary

Expert opinion

A northerly, weak and very variable flow prevails over the South-East of the basin. Over the West and the North, it is southwesterly, strong and very variable.

For Plage de Portmain :
No gale warning.

The reliability of the situation is assessed at 80%.

Very cloudy in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, light cloudy spells.
WSW wind force 3 continuing all day. Gusts reaching 14 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from W. Excellent visibility becoming excellent in the evening.

semaphore stations

Station Pte De Chemoulin located 16 km from Plage de Portmain
WIND
WEATHER
Local time Dir.
(°)
Speed
(nd)
Gust
(nd)
Temp.
(°C)
Pressure
(hPa)
Visibility
(M)
06h
260
12
19
-
-
0
05h
260
14
17
-
-
10
04h
260
12
17
-
-
0
Nearby signal stations
Météo France - RADOME
Signal station weather

Tides at Pornic

28
Low tide 04h47 3.04m
High tide 09h22 4.51m
24
Low tide 17h28 3.11m
High tide 21h41 4.14m
www.shom.fr - © SHOM 2026 - Local times

Go further

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