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

Sun

11

-

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

Mon

12

-

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

Tue

13

-

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

Wed

14

-

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

Thu

15

-

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

Fri

16

-

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

Sat

17

-

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

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Sunday 11 may

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

30

25

20

15

10

5

10

5

0

20

15

10

5

0

5

0

1.5

1

0.5

3

0

20

15

10

5

70

60

50

40

Mon 12

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

190° S S
200° S SSW
205° SW SSW
200° S SSW
195° S SSW
170° S S
165° S SSE
160° S SSE
155° SE SSE
140° SE SE
135° SE SE
115° SE ESE
105° E ESE
105° E ESE
95° E E
80° E E
75° E ENE
80° E ENE
85° E E
105° E ESE
145° SE SSE
175° S S
195° S SSW
205° SW SSW

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

13 25 7 16 4
11 21 6 13 4
11 21 6 13 4
10 19 5 12 3
9 16 4 10 3
7 13 4 8 3
7 13 4 8 3
8 15 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
10 19 5 12 -
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
10 18 5 11 3
9 16 4 10 3
10 18 5 11 3
10 19 5 12 -
11 21 6 13 4

0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.6
0.6
0.7
0.7
0.8
0.8
0.9
0.9
0.9
0.9
0.8
0.8
0.9
1
1
1
1

1.3
1.2
1.2
1.2
1.1
1.1
1.1
1.2
1.3
1.4
1.5
1.5
1.6
1.7
1.7
1.7
1.7
1.6
1.6
1.7
1.8
1.9
1.9
1.9

0.1
0.1
0.1
0
0
0
0
0.1
0.1
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1

235° SW WSW
235° SW WSW
235° SW SW
235° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
235° SW WSW
235° SW WSW
230° SW SW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
220° SW SW
220° SW SW
220° SW SW

0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.6
0.6
0.7
0.7
0.8
0.8
0.9
0.9
0.9
0.8
0.8
0.8
0.9
0.9
1.0
1.0
1.0

12
11
11
11
11
11
12
12
11
11
9
9
8
8
7
7
7
7
7
6
6
6
6
6

260
240
230
220
220
230
270
270
260
250
220
100
100
100
100
90
80
80
80
70
70
70
70
70

4.8
4.6
4.0
3.2
2.4
1.8
1.5
1.6
2.1
2.9
3.7
4.4
4.7
4.6
4.2
3.4
2.6
1.9
1.5
1.5
1.9
2.7
3.6
4.4

15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 58
15 58
15 58
15 58
15 59
15 59
15 59
15 60
16 60

5
80
60
75
35
60
75
65
80
80
90
80
85
70
75
70
85
70
80
70
65
45
45
45

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
25
25
20
0
0
0
25
30
35
30
25
25
20
20
0

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

1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008

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

17 62
15 59
15 59
15 58
14 57
13 55
12 54
12 54
12 53
12 53
12 53
11 53
11 52
11 52
11 52
12 53
13 55
14 56
14 58
15 59
15 60
15 59
15 59
16 60

19 67
15 58
14 57
13 56
13 55
12 53
11 51
10 50
10 49
10 49
10 49
9 49
9 48
9 48
9 48
10 50
11 52
13 55
15 58
16 62
19 66
15 59
18 65
19 65

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

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

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

Expert opinion

Low 1008 hPa centered on the South-East of the Bay of Biscay remaining almost stationary.

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

The reliability of the situation is assessed at 90%.

Hazy skies. No precipitation. In the evening, clear periods developing.
No precipitation. S wind force 3 from the middle of the day. Gusts reaching 15 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility becoming good in the evening.

Tides at Port-Tudy

73

High tide 04h45 4.69m

Low tide 11h03 1.44m

75

High tide 16h58 4.79m

Low tide 23h16 1.45m

www.shom.fr - © SHOM 2025

Consult the tides for May

Sun

11

-

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

Mon

12

-

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

Tue

13

-

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

Wed

14

-

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

Thu

15

-

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

Fri

16

-

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

Sat

17

-

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

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

- 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