Weather Grande plage de Sion - Detailed bulletin - Free 15-day Marine forecasts

Saint-Hilaire-de-Riez (85270)Longitude : -1°58’,7334 W Latitude : 46°42’,834 N Altitude : 0m

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

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

Sat

24

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

Sun

25

-

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

Mon

26

-

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

Tue

27

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

Wed

28

-

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

Thu

29

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

Fri

30

-

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

Sat

31

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

Sun

01

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

Mon

02

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Monday 19 may

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

30

20

10

0

10

5

0

1

0.5

0

3

0

30

25

20

15

10

5

80

70

60

50

40

Tue 20

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

50° NE NE
50° NE NE
60° NE ENE
65° NE ENE
70° E ENE
105° E ESE
160° S SSE
310° NW NW
15° N NNE
5° N N
330° NW NNW
335° NW NNW
345° N NNW
355° N N
360° N N
0° N N
0° N N
360° N N
355° N N
355° N N
355° N N
355° N N
350° N N
335° NW NNW

9 16 4 10 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
4 7 2 4 2
3 5 1 3 1
1 1 0 1 1
2 3 1 2 1
3 6 2 4 2
4 7 2 4 2
5 9 3 6 2
8 14 4 9 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
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3

16 30 8 19 5
18 33 9 21 5
17 31 9 19 5
18 33 9 21 5
14 26 7 16 4
11 21 6 13 4
9 17 5 11 3
8 14 4 9 3
9 16 4 10 3
11 20 6 12 4
13 25 7 16 4
12 22 6 14 4
12 23 6 14 4
16 30 8 19 5
15 28 8 17 4
16 30 8 19 5
15 27 8 17 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4
12 22 6 14 4

0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.9
0.9
0.9
1
1
1
1
1.1
1.1
1.1
1.1

0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.2
0.2

230° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
250° W WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW

0.3
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
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5

9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8

110
120
120
120
120
130
130
130
130
130
130
130
120
120
110
110
110
110
90
90
90
90
90
90

3.8
3.4
3.0
2.5
2.2
2.1
2.2
2.5
3.0
3.5
4.0
4.2
4.2
3.9
3.4
2.8
2.3
2.0
1.9
2.1
2.5
3.0
3.4
3.8

15 60
15 60
15 60
15 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60

90
60
65
60
70
100
75
75
60
85
85
70
70
50
75
60
40
55
35
35
30
30
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
30
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

1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1017
1018
1018
1019

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

17 62
19 66
20 68
21 69
20 68
20 68
20 68
20 68
21 69
20 69
19 67
18 65
17 63
17 62
16 60
15 59
15 58
14 57
13 56
12 54
12 54
13 55
15 60
18 64

14 58
19 67
23 73
24 76
26 78
23 74
21 70
26 78
24 75
22 71
18 64
15 59
15 58
13 56
13 55
12 53
12 53
11 51
10 50
10 49
10 49
11 52
15 59
19 66

12 22 4 6 14
12 23 4 6 14
11 21 4 6 13
4 7 2 2 4
3 6 2 2 4
1 2 1 1 1
3 6 2 2 4
1 2 1 1 1
3 6 2 2 4
6 12 3 3 7
11 20 4 6 12
16 30 5 8 19
17 31 5 9 19
16 30 5 8 19
17 31 5 9 19
16 30 5 8 19
16 29 5 8 18
15 27 4 8 17
13 25 4 7 16
13 24 4 7 15
12 23 4 6 14
12 23 4 6 14
11 21 4 6 13
11 20 4 6 12

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

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

Expert opinion

A northeasterly, moderate and mostly variable flow prevails over the North-East of the basin. Over the North-West, it is southeasterly, moderate and mostly variable. Over the South, it is westerly, moderate and mostly variable.

For Grande plage de Sion :
No gale warning.

The reliability of the situation is assessed at 90%.

Very cloudy skies with short clear spells. No precipitation. In the evening, very cloudy.
No precipitation. NE force 3 in the morning turning NNW in the evening. Gusts reaching 18 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility.

Tides at Saint-Gilles-Croix-de-Vie

47

Low tide 03h38 1.82m

High tide 09h42 4m

45

Low tide 16h02 2.06m

High tide 22h29 4.23m

www.shom.fr - © SHOM 2025

Consult the tides for May

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

- 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 Grande plage de Sion

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Gilles-Croix-de-Vie