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

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

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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

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

-

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

Fri

26

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- 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

Mon

29

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

Tue

30

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Tuesday 16 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)

15

10

5

0

25

20

15

10

5

0

10

5

0

15

10

5

0

5

0

1

0.5

0

3

0

30

20

10

0

90

80

70

60

50

40

Wed 17

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

255° W WSW
230° SW SW
215° SW SW
195° S SSW
175° S S
165° S SSE
150° SE SSE
130° SE SE
130° SE SE
130° SE SE
125° SE ESE
125° SE SE
130° SE SE
140° SE SE
150° SE SSE
165° S SSE
175° S S
185° S S
195° S SSW
215° SW SW
280° W W
285° W WNW
300° NW WNW
315° NW NW

3 6 2 4 2
3 5 1 3 1
2 3 1 2 1
2 3 1 2 1
2 3 1 2 1
2 4 1 2 1
3 6 2 4 2
4 7 2 4 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 12 3 7 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
3 6 2 4 2
3 5 1 3 1
3 6 2 4 2
4 8 2 5 2
4 7 2 4 2

6 11 3 7 -
5 10 3 6 2
4 7 2 4 2
4 7 2 4 2
3 6 2 4 2
4 7 2 4 2
5 9 3 6 -
6 11 3 7 -
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
10 19 5 12 -
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4
10 19 5 12 3
10 19 5 12 3
9 17 5 11 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
7 13 4 8 3

0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4

1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1
1
1
0.9
0.9
0.9
0.8
0.8

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
270° W W
270° 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
270° W W
270° W W

0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4

11
11
11
11
11
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
9
9
9
10

220
220
220
210
210
210
200
200
190
190
180
180
180
180
180
170
170
170
160
160
160
150
150
160

2.8
3.2
3.7
4.3
4.7
4.9
5.0
4.6
4.0
3.2
2.7
2.6
2.8
3.1
3.7
4.2
4.8
5.1
5.3
5.1
4.5
3.7
2.8
2.3

20 67
20 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 67
20 67
20 67
20 67
20 68
20 68
20 68
20 68

5
5
10
20
25
15
10
10
5
10
5
5
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

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

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

0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
5
6
5
4
2
1
0
0

17 63
17 62
17 62
16 61
16 60
16 60
16 60
15 60
15 60
15 59
13 55
11 51
13 56
17 63
18 65
19 66
20 67
20 68
21 69
21 69
21 69
20 68
20 68
19 66

16 60
16 60
16 60
16 60
15 59
15 58
14 57
14 57
13 56
13 56
11 51
8 47
12 53
17 63
19 66
21 70
23 73
27 80
27 81
27 81
27 80
25 76
20 67
18 64

3 6 2 2 4
3 5 1 1 3
3 5 1 1 3
3 5 1 1 3
3 5 1 1 3
3 6 2 2 4
4 7 2 2 4
5 9 2 3 6
6 11 2 3 7
8 14 3 4 9
8 14 3 4 9
9 16 3 4 10
9 17 3 5 11
9 17 3 5 11
9 16 3 4 10
8 14 3 4 9
6 11 2 3 7
5 9 2 3 6
4 7 2 2 4
2 3 1 1 2
1 2 1 1 1
3 5 1 1 3
4 7 2 2 4
4 8 2 2 5

1.8
1.7
1.7
1.6
1.6
1.5
1.5
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.3
1.2
1.2
1.1
1.1
1
1
1
1
1.1

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

Expert opinion

High 1026 hPa centered on the North of the Bay of Biscay moving at 18 knots to the East to be centered on the South-West of France.

For Plage du Gros Jonc :
No gale warning.

The reliability of the situation is assessed at 90%.

In the evening, skies clearing but remaining hazy after improving.
No precipitation. W wind force 3. Slight sea. Low, fairly long swell from W. Good visibility.

Tides at Ile-de-Ré (Saint-Martin)

38

High tide 01h27 4.8m

Low tide 06h18 2.66m

38

High tide 14h05 5.01m

Low tide 19h17 2.49m

www.shom.fr - © SHOM 2025

Consult the tides for September

Tue

16

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

Wed

17

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- 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

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

Mon

22

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

Tue

23

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

Wed

24

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

Thu

25

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

Fri

26

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- 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

Mon

29

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

Tue

30

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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 du Gros Jonc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Ile-de-Ré (Saint-Martin)