Weather Plage du Marchais - Detailed bulletin - Free 15-day Marine forecasts

Les Portes-en-Ré (17880)Longitude : -1°29’,6334 W Latitude : 46°15’,366 N Altitude : 0m

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

-

- 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

-

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

Sat

27

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- 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

Wed

01

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Wednesday 17 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

10

5

0

15

10

5

0

5

0

1

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Thu 18

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

125° SE SE
140° SE SE
150° SE SSE
170° S S
185° S S
200° S SSW
220° SW SW
235° SW SW
255° W WSW
290° W WNW
310° NW NW
320° NW NW
320° NW NW
330° NW NNW
335° NW NNW
350° N N
10° N N
20° N NNE
30° NE NNE
40° NE NE
50° NE NE
55° NE NE
60° NE ENE
65° NE ENE

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

9 17 5 11 3
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
11 21 6 13 4
10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
9 16 4 10 3
8 14 4 9 3
6 12 3 7 3
5 10 3 6 -
6 11 3 7 -
6 12 - 7 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
7 13 4 8 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
9 17 5 11 -

0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6

1.2
1.2
1.2
1.2
1.2
1.2
1.1
1.1
1
1
0.9
0.9
0.9
1
1
1.1
1.1
1.2
1.2
1.2
1.2
1.2
1.2
1.3

0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

305° NW NW
300° NW WNW
300° NW WNW
300° NW WNW
295° NW WNW
295° NW WNW
300° NW WNW
300° NW WNW
305° NW WNW
305° NW NW
305° NW NW
305° NW NW
305° NW NW
305° NW NW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
275° W W
275° W W
275° W W
275° W W

0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6

10
10
10
10
10
10
10
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10

180
180
170
170
160
160
160
160
150
150
150
150
150
150
160
160
160
170
170
180
150
150
150
160

2.8
3.1
3.7
4.2
4.8
5.1
5.3
5.1
4.5
3.7
2.8
2.3
2.2
2.4
3.0
3.6
4.3
4.9
5.2
5.2
4.8
4.0
3.2
2.5

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

0
5
5
5
0
5
0
0
5
10
15
0
0
0
0
0
0
0
0
10
15
25
50
65

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

10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
15
15
10
10
5
5
5
5
3
2
2

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

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

15 58
17 63
18 65
19 66
20 67
20 68
20 69
20 69
20 69
20 68
20 67
19 65
18 64
17 63
17 63
17 62
16 61
16 61
16 60
15 59
15 59
15 59
14 57
14 57

15 58
17 62
19 66
21 70
23 73
26 79
27 81
27 80
26 78
24 76
20 67
18 64
16 61
16 60
15 59
15 59
15 58
14 57
14 57
13 56
13 55
13 55
12 53
11 52

8 14 3 4 9
8 15 3 4 9
9 16 3 4 10
8 14 3 4 9
7 13 3 4 8
5 9 2 3 6
4 8 2 2 5
3 5 1 1 3
3 5 1 1 3
3 6 2 2 4
4 7 2 2 4
4 7 2 2 4
5 9 2 3 6
5 9 2 3 6
6 11 2 3 7
5 10 2 3 6
5 10 2 3 6
5 10 2 3 6
5 9 2 3 6
6 11 2 3 7
6 12 3 3 7
6 12 3 3 7
7 13 3 4 8
8 15 3 4 9

1.3
1.3
1.2
1.2
1.2
1.1
1.1
1
1
1
1
1
1
1.1
1.1
1.1
1.1
1.2
1.2
1.2
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 South-West of France moving at 9 knots to the South-West to be centered on the North-East of Spain.

For Plage du Marchais :
No gale warning.

The reliability of the situation is assessed at 90%.

Sunny despite some high cloud in the morning, sunny in the afternoon. No precipitation. In the evening, skies with few clouds.
SE force 3 turning SSW in the middle of the day then NW force 2. Gusts reaching 12 knots in the middle of the day. Slight sea becoming smooth to slight in the middle of the day. Low, fairly long swell from NW. Poor visibility becoming excellent in the middle of the day then good.

Tides at Ile-de-Ré (Saint-Martin)

41

High tide 02h40 4.98m

Low tide 07h49 2.58m

47

High tide 15h08 5.29m

Low tide 20h41 2.18m

www.shom.fr - © SHOM 2025

Consult the tides for September

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

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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

-

- 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

-

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

Tue

30

-

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

Wed

01

-

- 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 Marchais

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Ile-de-Ré (Saint-Martin)