Weather Plage des Grandes Vallées - Detailed bulletin - Free 15-day Marine forecasts

Pornic FRALon : -2°7’,416 W Lat : 47°6’,654 N Alt : 0m

Wed

15

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Thu

16

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Fri

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Sat

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Sun

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Mon

20

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Tue

21

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Wed

22

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Thu

23

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Fri

24

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Sat

25

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Sun

26

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Mon

27

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Tue

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Wed

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BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Wednesday 15 apr

METEO CONSULT Run : 15/04 00Z Mesh : 4km Updated, 18min ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

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 (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

20

15

10

5

0

30

20

10

0

10

5

0

20

15

10

5

0

5

0

1

0.5

3

0

25

20

15

10

5

70

60

50

40

                                    
                                                                         Thu 16
                                                            
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                        Run : 15/04 00Z
                Mesh : 4km
                Updated, 18min ago
                Update imminent

Thu 16

23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h
21h
22h

250° W WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
240° SW WSW
235° SW SW
235° SW SW
230° SW SW
225° SW SW
215° SW SW
210° SW SSW
200° S SSW
220° SW SW
225° SW SW
225° SW SW
225° SW SW
235° SW SW
245° SW WSW
260° W W
275° W W
280° W W

8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
9 16 4 10 3
8 15 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 10 3 6 2
5 9 3 6 2
5 10 3 6 2
8 14 4 9 3
8 15 4 9 3
8 14 4 9 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
4 7 2 4 2
3 6 2 4 2

15 28 8 17 4
15 27 8 17 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
12 23 6 14 4
11 21 6 13 4
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
10 19 5 12 3
13 24 7 15 4
13 25 7 16 4
13 25 7 16 4
12 23 6 14 4
10 19 5 12 3
9 17 5 11 3
8 14 4 9 3
6 12 3 7 3

0.7
0.7
0.7
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8

0.3
0.3
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

180° S S
180° S S
180° S S
180° S S
180° S S
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW

0.5
0.5
0.5
0.5
0.5
0.6
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8

10
11
7
9
10
8
8
9
11
11
11
12
11
12
12
12
12
12
13
13
13
13
13
12

100
110
110
110
120
120
170
190
200
220
230
250
260
260
260
260
260
270
290
300
310
310
280
270

1.3
1.8
2.9
4.1
5.2
5.9
5.9
5.3
4.3
3.1
2.0
1.2
0.9
1.3
2.3
3.6
4.8
5.7
5.9
5.4
4.5
3.4
2.3
1.4

13 56
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 56
13 56
13 56
14 56
14 56
14 57
14 57
14 57
14 57
14 57
14 57

0
0
40
60
55
60
60
70
60
65
80
75
70
50
25
20
30
45
55
45
60
100
100
100

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0

5
10
>20
>20
>20
>20
>20
>20
>20
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
10

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022

0
0
0
0
0
0
0
0
0
0
0
1
2
3
5
5
5
4
2
1
1
0
0
0

13 55
13 55
12 54
12 54
12 54
12 54
12 54
12 54
12 53
12 53
12 54
13 55
14 56
14 58
15 58
15 59
15 59
15 59
15 59
15 58
14 58
14 57
13 56
13 55

10 50
10 50
9 49
9 49
9 48
9 48
9 48
9 48
9 48
9 49
11 51
12 54
14 57
16 60
19 67
20 67
19 65
17 63
16 61
15 60
14 57
13 55
12 53
12 53

9 16 3 4 10
9 16 3 4 10
9 16 3 4 10
9 17 3 5 11
10 19 3 5 12
10 19 3 5 12
9 17 3 5 11
9 16 3 4 10
8 15 3 4 9
7 13 3 4 8
6 11 2 3 7
5 9 2 3 6
4 7 2 2 4
4 7 2 2 4
5 10 2 3 6
7 13 3 4 8
7 13 3 4 8
6 11 2 3 7
5 10 2 3 6
4 7 2 2 4
3 5 1 1 3
3 6 2 2 4
4 7 2 2 4
4 7 2 2 4

1.8
1.8
1.8
1.8
1.8
1.8
1.9
1.9
1.9
1.9
1.9
1.9
2
2.1
2.1
2.1
2.2
2.2
2.2
2.2
2.2
2.1
2.1
2

Forecasts established in local time
Caption Glossary

Expert opinion

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

For Plage des Grandes Vallées :
No gale warning.

We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.

In the evening, clear skies.
WSW wind force 3. Gusts reaching 17 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility.

semaphore stations

Station Pte De Chemoulin located 19 km from Plage des Grandes Vallées

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
23h	260	29	35	-	-	11
22h	260	28	35	-	-	0
21h	260	27	38	-	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Pornic

73

High tide 04h00 5.61m

Low tide 10h21 1.33m

81

High tide 16h17 5.58m

Low tide 22h39 1.26m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for April

Go further

Wed

15

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- nd - km/h - bft - m/s - mph

Thu

16

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- nd - km/h - bft - m/s - mph

Fri

17

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- nd - km/h - bft - m/s - mph

Sat

18

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- nd - km/h - bft - m/s - mph

Sun

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- nd - km/h - bft - m/s - mph

Mon

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Tue

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Wed

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- nd - km/h - bft - m/s - mph

Thu

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- nd - km/h - bft - m/s - mph

Fri

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- nd - km/h - bft - m/s - mph

Sat

25

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- nd - km/h - bft - m/s - mph

Sun

26

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Mon

27

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- nd - km/h - bft - m/s - mph

Tue

28

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- nd - km/h - bft - m/s - mph

Wed

29

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- nd - km/h - bft - m/s - mph

* +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

Weather beach Plage des Grandes Vallées

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

semaphore stations

Tides at Pornic

Go further