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

Tue

01

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

Wed

02

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Thu

03

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Fri

04

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Sat

05

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Sun

06

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Mon

07

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Tue

08

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

Wed

09

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

Thu

10

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Fri

11

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Sat

12

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Sun

13

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

Mon

14

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

Tue

15

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BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Tuesday 1 july

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)

30

20

10

0

40

30

20

10

0

15

10

5

0

30

20

10

0

10

5

0

1.5

1

0.5

3

0

35

30

25

20

15

10

90

80

70

60

50

Wed 2

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

330° NW NNW
5° N N
350° N N
335° NW NNW
275° W W
270° W W
260° W W
265° W W
270° W W
270° W W
270° W W
285° W WNW
315° NW NW
0° N N
5° N N
5° N N
0° 0 0
355° N N
350° N N
345° N NNW
345° N NNW
350° N N
340° N NNW
340° N NNW

4 8 2 5 2
4 8 2 5 2
3 6 2 4 2
2 3 1 2 1
3 5 1 3 1
7 13 4 8 3
8 15 4 9 3
10 18 5 11 3
11 20 6 12 4
11 21 6 13 4
11 20 6 12 4
11 21 6 13 4
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
12 23 6 14 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4

9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
6 12 3 7 3
8 14 4 9 3
10 19 5 12 -
12 22 6 14 4
13 25 7 16 4
15 28 8 17 -
16 29 8 18 5
16 29 8 18 5
17 32 9 20 5
18 33 9 21 5
21 39 11 24 6
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
19 35 10 22 5
19 36 10 22 5
19 35 10 22 5
19 36 10 22 5
18 34 9 21 5
18 33 9 21 5
18 34 9 21 5

0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.9
0.9
1
1
1
1
1
0.9
0.9
0.8
0.8
0.8
0.8
0.9
0.9
0.9

1.7
1.7
1.7
1.7
1.7
1.6
1.5
1.5
1.6
1.8
1.9
1.9
1.9
1.9
1.9
1.8
1.7
1.6
1.6
1.5
1.5
1.8
1.8
1.8

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

250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
275° W W
275° W W
275° W W
240° SW WSW
245° SW WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
260° W WSW
260° W W

0.9
0.9
0.9
0.9
0.8
0.8
0.7
0.7
0.6
0.7
0.8
1.0
1.0
1.0
1.0
0.9
0.9
0.8
0.7
0.7
0.7
0.8
0.8
0.8

9
9
9
9
9
9
9
9
9
8
8
7
8
8
8
8
8
8
8
8
8
8
8
8

140
140
140
150
150
150
150
140
140
140
130
130
120
120
110
110
110
110
110
110
110
70
70
60

3.8
4.2
4.3
4.0
3.5
2.9
2.3
1.9
1.8
2.0
2.5
3.1
3.8
4.3
4.4
4.3
3.8
3.3
2.6
2.1
1.8
1.8
2.1
2.7

19 66
19 66
19 66
19 67
19 67
20 67
20 68
20 68
20 69
21 69
21 69
21 70
21 70
21 70
21 69
21 69
20 68
20 68
20 67
19 67
19 67
19 67
19 67
19 67

100
85
75
70
55
5
5
5
5
5
0
0
5
20
15
20
25
30
60
75
65
70
40
55

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
0
0
0

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

1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1014
1015
1015
1016
1017
1017
1017
1017
1017
1017
1018

0
1
2
3
5
8
9
8
7
5
3
2
1
0
0
0
0
0
0
0
0
0
0
0

19 67
19 66
20 68
22 71
23 73
23 73
23 74
24 75
24 76
25 77
26 79
27 80
27 80
25 77
23 74
22 71
20 68
19 66
18 64
18 64
17 63
17 62
17 62
17 62

18 64
19 67
26 79
30 85
31 88
30 86
31 87
31 87
30 87
31 87
31 89
30 87
29 83
25 78
23 73
20 68
16 60
14 58
14 56
13 56
13 55
13 55
13 55
13 55

5 10 2 3 6
5 9 2 3 6
3 6 2 2 4
3 6 2 2 4
5 10 2 3 6
9 16 3 4 10
11 21 4 6 13
13 24 4 7 15
14 26 4 7 16
15 28 4 8 17
15 27 4 8 17
15 28 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
13 25 4 7 16
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 28 4 8 17
15 28 4 8 17
13 25 4 7 16
13 24 4 7 15

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

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

Expert opinion

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

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

We are 90% sure of the situation, because the clear patches could move in later than forecast.

Very cloudy in the morning, sunny in the afternoon. No precipitation. In the evening, clear skies becoming somewhat cloudy.
N force 2 freshening W force 4 in the middle of the day then becoming NNW. Gusts reaching 21 knots in the evening. Slight sea. Low, fairly long swell from WSW. Poor visibility becoming excellent in the middle of the day.

Tides at Port-Tudy

62

Low tide 03h47 1.55m

High tide 09h38 4.29m

57

Low tide 15h59 1.78m

High tide 21h57 4.42m

www.shom.fr - © SHOM 2025

Consult the tides for July

Tue

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Wed

02

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

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

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Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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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