Weather L'Ile de Groix-Les Grands Sables - Detailed bulletin - Free 15-day Marine forecasts

Groix (56590)Longitude : -3°28’,0002 W Latitude : 47°37’,998 N Altitude : 0m

Sat

02

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Sun

03

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Mon

04

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Tue

05

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Wed

06

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Thu

07

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Fri

08

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Sat

09

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Sun

10

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Mon

11

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Tue

12

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Wed

13

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Thu

14

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Fri

15

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Sat

16

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BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Saturday 2 august

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

80

70

60

50

Sun 3

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

265° W W
265° W W
255° W WSW
265° W W
260° W W
270° W W
335° NW NNW
360° N N
10° N NNE
10° N NNE
15° N NNE
20° N NNE
15° N NNE
10° N N
5° N N
5° N N
355° N N
340° N NNW
340° N NNW
315° NW NW
295° NW WNW
270° W W
250° W WSW
245° SW WSW

10 18 5 11 3
11 20 6 12 4
13 25 7 16 4
13 24 7 15 4
11 21 6 13 4
9 16 4 10 3
8 15 4 9 3
11 20 6 12 4
10 19 5 12 3
9 17 5 11 3
9 16 4 10 3
7 13 4 8 3
6 11 3 7 2
5 9 3 6 2
4 8 2 5 2
4 7 2 4 2
3 6 2 4 2
4 7 2 4 2
2 3 1 2 1
2 4 1 2 1
3 6 2 4 2
5 10 3 6 2
7 13 4 8 3
9 16 4 10 3

15 28 8 17 4
16 30 8 19 5
18 33 9 21 5
18 34 9 21 5
17 32 9 20 5
15 27 8 17 4
15 28 8 17 4
17 32 9 20 5
17 32 9 20 5
15 28 8 17 4
14 26 7 16 4
12 23 6 14 4
11 20 6 12 4
9 16 4 10 3
8 14 4 9 3
6 12 3 7 3
6 12 3 7 3
6 12 3 7 3
6 11 3 7 2
5 9 3 6 2
5 10 3 6 -
8 14 4 9 3
10 18 5 11 -
11 21 6 13 4

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

0.8
0.8
1
1.1
1.1
1
1
1.1
1
1
0.9
0.8
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6

0.2
0.3
0.4
0.5
0.4
0.2
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0.1
0.2

285° W WNW
265° W W
265° W W
245° SW WSW
265° W W
260° W W
260° W W
265° W W
265° W W
265° W W
270° W W
270° W W
270° W W
270° 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
285° W WNW

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

8
7
7
6
7
3
4
5
5
5
4
5
7
7
7
7
7
7
7
7
7
7
7
7

80
70
45
20
30
70
50
35
40
50
60
70
70
80
80
80
80
90
90
90
90
90
90
80

2.9
2.6
2.4
2.4
2.5
2.8
3.2
3.6
3.8
3.8
3.7
3.4
3.1
2.8
2.5
2.4
2.5
2.7
3.0
3.3
3.6
3.8
3.8
3.6

16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61

20
10
15
0
30
25
30
30
20
15
5
5
5
20
35
30
35
35
15
5
5
5
10
15

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
15
15
>20
>20
>20
>20
>20
>20

1020
1020
1020
1020
1019
1019
1020
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024

1
3
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
7
7

20 68
20 68
20 68
21 69
21 69
21 69
19 67
18 64
16 61
15 60
14 58
14 57
13 56
13 56
13 55
12 54
13 55
15 58
16 61
18 64
19 66
19 67
20 67
20 67

24 75
26 79
24 76
24 75
23 73
22 72
17 62
14 57
13 55
12 53
11 52
11 52
11 52
11 52
11 52
11 51
11 52
14 56
17 63
20 68
22 71
23 73
23 74
23 74

11 20 4 6 12
12 22 4 6 14
15 27 4 8 17
14 26 4 7 16
11 21 4 6 13
10 18 3 5 11
13 24 4 7 15
14 26 4 7 16
13 24 4 7 15
12 22 4 6 14
10 19 3 5 12
8 15 3 4 9
6 12 3 3 7
5 10 2 3 6
4 8 2 2 5
4 7 2 2 4
4 7 2 2 4
4 7 2 2 4
1 2 1 1 1
3 5 1 1 3
4 7 2 2 4
5 10 2 3 6
9 16 3 4 10
11 21 4 6 13

0.4
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3

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

Expert opinion

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

For L"Ile de Groix-Les Grands Sables :
No gale warning.

The reliability of the situation is assessed at 90%.

Skies with few clouds. In the evening, skies with few clouds.
WSW force 4 in the middle of the day turning WNW in the evening. Gusts reaching 18 knots in the evening. Smooth to slight sea. Low, short swell from W. Excellent visibility.

Tides at Port-Tudy

37

Low tide 05h11 2.23m

High tide 11h07 3.9m

33

Low tide 17h40 2.34m

High tide 23h33 3.81m

www.shom.fr - © SHOM 2025

Consult the tides for August

Sat

02

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Sun

03

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

Mon

04

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

Tue

05

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

Wed

06

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

Thu

07

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

Fri

08

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

Sat

09

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

Sun

10

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

Mon

11

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

Tue

12

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

Wed

13

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

Thu

14

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

Fri

15

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

Sat

16

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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 L'Ile de Groix-Les Grands Sables

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Port-Tudy