Weather Port au Roc - Detailed bulletin - Free 15-day Marine forecasts

Le Croisic FRALongitude : -2°32’,8062 W Latitude : 47°17’,472 N Altitude : 0m

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

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

Tue

03

-

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

Wed

04

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

Thu

05

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

BULLETIN

(established in local time)

Reliability 95%

Wind alert - Warning strong breeze.

Thursday 22 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

30

20

10

0

60

50

40

30

20

10

15

10

5

0

40

30

20

10

5

0

1.5

1

0.5

0

3

0

25

20

15

10

5

70

60

50

40

Fri 23

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

305° NW NW
285° W WNW
280° W W
270° W W
275° W W
275° W W
280° W W
280° W WNW
285° W WNW
285° W WNW
295° NW WNW
305° NW NW
330° NW NNW
340° N NNW
340° N NNW
335° NW NNW
330° NW NNW
330° NW NNW
335° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
325° NW NW

9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
12 22 6 14 4
15 27 8 17 4
16 29 8 18 5
18 34 9 21 5
20 37 10 23 5
22 40 11 25 6
22 40 11 25 6
21 39 11 24 6
18 34 9 21 5
12 23 6 14 4
11 20 6 12 4
10 19 5 12 3
10 19 5 12 3
11 21 6 13 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
10 19 5 12 3
9 16 4 10 3

12 22 6 14 4
11 21 6 13 4
12 23 6 14 4
15 27 8 17 -
18 33 9 21 5
18 34 9 21 -
22 40 11 25 6
24 45 13 28 6
26 49 14 30 -
28 51 14 32 7
27 50 14 31 7
26 48 13 30 6
22 41 11 25 6
15 28 8 17 -
13 24 7 15 4
13 24 7 15 4
14 26 7 16 -
15 28 8 17 -
15 27 8 17 -
14 26 7 16 -
13 25 7 16 -
15 27 8 17 -
15 27 8 17 4
13 25 7 16 4

0.6
0.5
0.5
0.6
0.6
0.7
0.8
1
1.1
1.1
1.1
1
0.9
0.8
0.7
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5

1.2
1.1
1.1
1.1
1.2
1.4
1.7
1.8
2
2.1
2.1
1.9
1.7
1.5
1.4
1.3
1.2
1.1
1.1
1.1
1.1
1
1
1

0.1
0.2
0.3
0.3
0.4
0.6
0.8
0.9
1
1
0.9
0.6
0.3
0.1
0.1
0.1
0.1
0.1
0.2
0.3
0.2
0.2
0.2
0.2

250° W WSW
250° W WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
225° SW SW
230° SW SW
230° SW SW
235° SW WSW
235° SW WSW
245° SW WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
250° W WSW
260° W W
260° W W
265° W W
265° W W
265° W W
265° W W

0.5
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.4
0.5
0.8
0.8
0.8
0.7
0.6
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4

6
6
7
7
6
7
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5

60
60
60
60
50
25
25
30
30
35
35
35
35
35
35
35
40
40
35
35
35
35
35
35

3.5
4.0
4.4
4.5
4.2
3.6
2.9
2.3
1.9
1.8
2.1
2.7
3.4
4.1
4.6
4.8
4.7
4.1
3.3
2.4
1.8
1.5
1.6
2.1

14 58
14 58
15 58
15 59
15 59
15 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
15 60
15 60
15 60
15 60
15 59
15 59
15 59
15 59

0
0
5
5
0
10
10
45
65
90
75
75
25
15
5
40
40
0
0
10
25
70
70
35

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

1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021

4
5
6
7
6
5
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

15 60
16 61
17 62
17 63
18 64
18 64
18 64
18 64
18 64
17 63
17 63
18 64
17 63
16 61
16 60
15 59
14 58
14 57
13 55
13 55
12 54
13 55
13 56
14 58

19 66
19 66
20 68
21 69
20 68
20 68
18 65
16 62
14 57
12 54
11 52
12 53
13 56
13 55
12 53
11 52
10 50
9 49
9 48
9 47
8 47
10 50
12 54
15 58

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

Expert opinion

For Port au Roc :
Warning strong breeze.

The reliability of the situation is assessed at 95%.

Fair weather with mostly clear skies. In the evening, good clear periods but lots of cloud, too.
No precipitation. NW force 3 freshening W force 5 in the middle of the day then WNW force 6. Gusts reaching 28 knots in the evening. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from WSW. Excellent visibility.

Tides at Le Croizic

49

High tide 01h09 4.57m

Low tide 07h06 1.76m

54

High tide 13h49 4.47m

Low tide 19h37 1.8m

www.shom.fr - © SHOM 2025

Consult the tides for May

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

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

Tue

03

-

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

Wed

04

-

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

Thu

05

-

- 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 diving spot Port au Roc

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Le Croizic