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

Pornic FRALongitude : -2°7’,416 W Latitude : 47°6’,654 N Altitude : 0m

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

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

Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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

Wed

16

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

Thu

17

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Thursday 3 july

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (m) (m)

Total sea (m)

Total wave height (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Cloud cover(%)

Amount of precipitation(mm)

Type of precipitation

Precipitation risk(%)

Visibility(km)

Pressure(hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

30

20

10

0

60

50

40

30

20

10

0

15

10

5

0

40

30

20

10

0

10

5

0

0.5

0

3

0

40

30

20

10

100

90

80

70

60

50

Fri 4

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

200° S SSW
345° N NNW
350° N N
355° N N
0° 0 0
10° N N
10° N N
15° N NNE
20° N NNE
25° NE NNE
30° NE NNE
30° NE NNE
35° NE NE
35° NE NE
40° NE NE
45° NE NE
45° NE NE
50° NE NE
55° NE NE
60° NE ENE
60° NE ENE
55° NE NE
35° NE NE
25° NE NNE

8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
9 17 5 11 3
10 18 5 11 3
16 30 8 19 5
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
14 26 7 16 4
14 26 7 16 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
11 21 6 13 4
10 19 5 12 3
10 18 5 11 3
8 15 4 9 3
7 13 4 8 3
5 9 3 6 2
4 8 2 5 2

15 27 8 17 4
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
17 32 9 20 5
27 50 14 31 7
27 50 14 31 7
25 47 13 29 6
24 45 13 28 6
24 45 13 28 6
23 43 12 27 6
22 41 11 25 6
22 40 11 25 6
21 38 11 24 5
19 36 10 22 5
19 35 10 22 5
18 34 9 21 5
18 34 9 21 5
18 33 9 21 5
17 32 9 20 5
16 30 8 19 5
15 28 8 17 4
14 26 7 16 4
12 23 6 14 4

0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
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

0.6
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
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
0.1
0.1
0
0
0

260° W W
265° W W
265° W W
255° W WSW
255° W WSW
265° W W
265° W W
270° W W
270° W W
275° 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
265° W W

0.2
0.2
0.2
0.3
0.3
0.3
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

8
5
5
4
4
4
4
4
5
5
5
6
6
6
6
7
6
7
7
7
7
6
7
7

60
45
25
25
25
25
40
40
45
50
50
40
50
50
50
50
50
50
60
60
50
60
70
80

2.4
2.3
2.5
3.0
3.7
4.2
4.5
4.5
4.2
3.9
3.4
2.9
2.6
2.4
2.3
2.6
3.1
3.7
4.1
4.4
4.3
4.1
3.7
3.3

18 64
18 64
18 64
18 64
17 63
17 63
17 63
17 62
17 62
16 62
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
17 62
17 62
17 63

25
25
30
30
20
5
5
0
0
5
5
5
5
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

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1025
1024
1024
1024
1024
1025
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1027
1027
1026
1025
1025

5
3
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
3
5
6
8
8
8
7

27 81
26 78
26 78
25 78
24 76
22 71
20 68
19 66
18 65
18 64
17 62
16 61
16 60
15 59
15 59
16 60
18 64
20 67
22 71
24 74
25 77
26 79
27 80
28 82

29 85
28 82
26 78
24 75
22 71
19 66
17 63
14 57
13 56
13 55
12 54
11 53
11 52
11 51
11 52
13 55
16 61
20 68
24 74
27 80
30 85
32 89
33 91
33 92

18 34 5 9 21
21 39 6 11 24
22 40 6 11 25
21 39 6 11 24
19 36 5 10 22
16 29 5 8 18
22 40 6 11 25
21 39 6 11 24
21 39 6 11 24
21 39 6 11 24
21 38 5 11 24
20 37 5 10 23
20 37 5 10 23
19 36 5 10 22
19 36 5 10 22
18 33 5 9 21
16 30 5 8 19
13 25 4 7 16
11 20 4 6 12
8 15 3 4 9
5 10 2 3 6
5 9 2 3 6
8 14 3 4 9
10 19 3 5 12

1
1
1.1
1.1
1
0.9
0.9
1
0.9
0.9
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.3

Forecasts established in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

For Plage des Grandes Vallées :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Light cloudy spells. In the evening, light cloudy spells.
SSW force 3 in the middle of the day freshening N force 5 in the evening. Gusts reaching 27 knots in the evening. Smooth sea becoming smooth to slight in the evening. Low, short swell from W. Excellent visibility.

Tides at Pornic

45

Low tide 05h43 2.14m

High tide 10h50 4.47m

42

Low tide 18h03 2.31m

High tide 23h14 4.53m

www.shom.fr - © SHOM 2025

Consult the tides for July

Thu

03

-

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

-

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

Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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

Wed

16

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

Thu

17

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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

Tides at Pornic