Weather Plage du Gros Jonc - Detailed bulletin - Free 15-day Marine forecasts

Les Portes-en-Ré (17880)Longitude : -1°29’,2836 W Latitude : 46°15’,066 N Altitude : 0m

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

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

Fri

19

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

Sat

20

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

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

Sun

28

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Sunday 14 september

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)

35

30

25

20

15

60

50

40

30

20

15

10

5

40

35

30

25

20

15

10

5

0

1.5

1

0.5

3

0

25

20

15

10

70

65

60

55

Mon 15

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

255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
245° SW WSW
240° SW WSW
240° SW WSW
235° SW WSW
235° SW SW
235° SW SW
240° SW WSW
235° SW SW
230° SW SW
230° SW SW
240° SW WSW
260° W WSW
270° W W
270° W W
275° W W
275° W W

17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
18 34 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
17 31 9 19 5
16 29 8 18 5
15 28 8 17 4
16 29 8 18 5
15 28 8 17 4
15 28 8 17 4
16 30 8 19 5
17 31 9 19 5
16 30 8 19 5
18 33 9 21 5
18 33 9 21 5
17 32 9 20 5
16 30 8 19 5
15 28 8 17 4
15 27 8 17 4
16 29 8 18 5
16 29 8 18 5

28 51 14 32 7
29 53 15 33 7
30 56 16 35 7
30 55 15 34 7
30 55 15 34 7
30 55 15 34 7
29 54 15 34 7
28 52 14 32 7
26 49 14 30 6
26 48 13 30 6
24 45 13 28 6
25 47 13 29 6
25 47 13 29 6
26 48 13 30 6
28 51 14 32 7
27 50 14 31 7
28 51 14 32 7
30 55 15 34 7
30 56 16 35 7
31 57 16 35 7
27 50 14 31 7
23 43 12 27 6
25 46 13 29 6
24 45 13 28 6

0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.7
0.8
0.8
0.8
0.8
0.8
0.7
0.8
0.8
0.8
0.8
1.3
1.3
1.3
1.3
1.4

1.8
1.7
1.6
1.6
1.6
1.6
1.5
1.5
1.4
1.5
1.6
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.6
2.3
2.4
2.4
2.4
2.5

0.3
0.4
0.3
0.4
0.4
0.4
0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.4
0.4
0.5
0.7
0.4
0.4
0.4
0.3

260° W W
260° W W
305° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
305° NW NW
305° NW NW
305° NW NW
260° W W
260° W W
260° W W
265° W W
305° NW NW
310° NW NW
310° NW NW
315° NW NW
265° W W
265° W W
270° W W
270° W W
275° W W

0.9
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.6
1.1
1.2
1.2
1.2
1.3

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

120
120
120
120
110
110
120
120
120
120
120
120
110
110
110
100
100
100
110
80
90
100
100
100

5.0
4.8
4.4
3.7
3.0
2.5
2.1
2.1
2.3
2.8
3.4
3.9
4.4
4.7
4.8
4.5
3.9
3.1
2.6
2.4
2.5
2.8
3.2
3.7

19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66

90
90
100
100
100
100
100
95
100
95
100
100
95
100
100
100
95
100
100
100
100
95
55
50

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.1
0
0
0

-
-
-
-
-
-
-

40
40
40
55
40
30
0
0
0
20
20
25
20
0
0
0
0
45
65
65
50
30
25
20

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

1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1019

0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

20 67
20 68
20 68
20 68
20 68
20 68
20 69
20 69
20 68
20 68
20 68
20 68
20 68
20 68
20 67
20 67
20 67
20 67
20 67
19 67
19 66
19 66
19 65
19 65

15 58
15 59
19 65
21 69
19 66
20 67
21 69
20 67
19 67
19 66
15 59
15 58
15 58
14 58
14 58
14 58
14 57
14 57
14 57
14 57
14 57
14 57
13 56
14 57

21 39 6 11 24
22 40 6 11 25
22 41 6 11 25
23 42 6 12 26
23 42 6 12 26
22 40 6 11 25
21 39 6 11 24
20 37 5 10 23
19 36 5 10 22
19 35 5 10 22
19 36 5 10 22
20 37 5 10 23
19 36 5 10 22
21 38 5 11 24
19 36 5 10 22
21 39 6 11 24
22 41 6 11 25
23 42 6 12 26
22 41 6 11 25
21 39 6 11 24
19 36 5 10 22
19 36 5 10 22
21 38 5 11 24
20 37 5 10 23

2.4
2.4
2.4
2.4
2.4
2.4
2.4
2.3
2.3
2.2
2.2
2.1
2.1
2.1
2.1
2.2
2.3
2.4
2.5
2.2
2.1
2.1
2.1
2.1

Forecasts established in local time
Last updated 43min ago | Next update in 3h
Caption

Expert opinion

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

For Plage du Gros Jonc :
Warning strong breeze offshore.

We are 85% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Very cloudy skies with short clear spells. Risk of showers in the morning, light showers dying away progressively in the afternoon. In the evening, very cloudy skies to overcast.
Chance of light rain. WSW wind force 5 continuing all day. Gusts reaching 30 knots in the middle of the day. Slight sea. Low, fairly long swell from W. Excellent visibility.

Tides at Ile-de-Ré (Saint-Martin)

58

Low tide 04h00 1.92m

High tide 10h00 4.97m

49

Low tide 16h34 2.08m

High tide 23h43 4.81m

www.shom.fr - © SHOM 2025

Consult the tides for September

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

- 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 du Gros Jonc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Ile-de-Ré (Saint-Martin)