Weather L'Ile de Groix - Locmaria - Detailed bulletin - Free 15-day Marine forecasts

Groix (56590)Longitude : -3°27 W Latitude : 47°37’,002 N Altitude : 0m

Thu

21

-

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

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Friday 22 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

20

15

10

5

0

10

5

0

1

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Fri 22

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

25° NE NNE
15° N NNE
10° N N
15° N NNE
20° N NNE
25° NE NNE
25° NE NNE
30° NE NNE
35° NE NE
40° NE NE
45° NE NE
55° NE NE
70° E ENE
95° E E
145° SE SE
205° SW SSW
270° W W
275° W W
280° W W
285° W WNW
285° W WNW
285° W WNW
295° NW WNW
335° NW NNW

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

15 27 8 17 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 24 7 15 4
13 24 7 15 4
11 20 6 12 4
9 17 5 11 3
9 17 5 11 3
10 18 5 11 3
11 21 6 13 4
12 22 6 14 4
13 25 7 16 4
15 28 8 17 -
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
12 23 6 14 4

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

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

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0.1
0.2
0.2
0.3
0.3
0.2
0.1

250° W WSW
250° W WSW
250° W WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
245° SW WSW
245° SW WSW

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

9
11
11
11
11
12
12
12
11
11
11
11
11
11
11
11
11
11
10
10
10
10
9
9

200
210
210
210
210
210
210
210
210
210
210
200
200
200
200
190
190
180
160
160
150
150
150
150

1.6
2.2
3.0
3.9
4.5
4.7
4.5
3.9
3.1
2.2
1.6
1.3
1.5
2.2
3.0
4.0
4.7
5.0
4.9
4.4
3.5
2.5
1.6
1.1

19 66
19 65
19 65
19 65
18 65
18 65
18 65
18 64
18 64
18 65
18 65
18 65
18 65
18 65
19 65
19 65
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66

35
45
85
90
90
90
85
65
75
70
80
70
35
35
35
55
40
20
15
15
65
30
55
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
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1021

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

16 60
15 60
15 59
15 59
15 59
15 59
15 59
15 58
15 59
16 61
17 63
19 65
20 67
20 68
21 69
21 69
20 68
20 68
20 68
20 67
19 67
19 66
18 65
18 64

12 54
12 53
12 53
11 52
11 53
11 52
11 53
11 52
12 53
14 56
16 61
19 67
22 72
27 81
28 83
28 83
27 80
22 71
20 68
19 65
17 62
15 59
15 58
16 60

12 22 4 6 14
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
12 23 4 6 14
11 20 4 6 12
10 19 3 5 12
10 19 3 5 12
11 20 4 6 12
10 18 3 5 11
9 16 3 4 10
5 9 2 3 6
2 4 1 1 2
4 8 2 2 5
7 13 3 4 8
9 16 3 4 10
11 21 4 6 13
12 23 4 6 14
13 25 4 7 16
14 26 4 7 16
13 24 4 7 15
14 26 4 7 16
14 26 4 7 16

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.8
0.8
0.8
0.8

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

Expert opinion

High 1023 hPa centered on the center of Ireland moving at 6 knots to the South-South-East to be centered on the Celtic Sea.

For L"Ile de Groix - Locmaria :
No gale warning.

The reliability of the situation is assessed at 90%.
For the night from Thursday to Friday NNE wind force 3 continuing all night. Gusts reaching 15 knots in the early part of the night.

Smooth to slight sea. Low, fairly long swell from WSW. Excellent visibility. Daytime of Friday 22 august : Improving during the day:the sky will clear.

Very cloudy in the morning, predominantly sunny in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. NE force 3 turning SE in the middle of the day then WNW force 4. Gusts reaching 16 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, fairly long swell from WSW. Excellent visibility.

Tides at Port-Tudy

78

High tide 05h05 4.74m

Low tide 11h01 1.31m

83

High tide 17h17 5.06m

Low tide 23h33 1.06m

www.shom.fr - © SHOM 2025

Consult the tides for August

Thu

21

-

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

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

- 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 - Locmaria

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Port-Tudy