Weather Carnac - Detailed bulletin - Free 15-day Marine forecasts

Carnac FRALongitude : -3°4’,3836 W Latitude : 47°34’,242 N Altitude : 0m

Fri

18

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

Sat

19

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

Sun

20

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

Mon

21

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

Tue

22

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

Wed

23

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

Thu

24

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

Fri

25

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

Sat

26

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

31

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

Fri

01

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Friday 18 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)

20

15

10

5

40

30

20

10

0

15

10

5

0

25

20

15

10

5

10

5

0

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Sat 19

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

280° W W
275° W W
275° W W
275° W W
275° W W
280° W W
285° W WNW
320° NW NW
25° NE NNE
20° N NNE
15° N NNE
10° N N
355° N N
345° N NNW
335° NW NNW
335° NW NNW
320° NW NW
315° NW NW
305° NW NW
295° NW WNW
280° W W
270° W W
260° W WSW
245° SW WSW

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

13 24 7 15 4
16 30 8 19 5
17 31 9 19 5
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
19 35 10 22 5
17 31 9 19 5
18 33 9 21 5
17 32 9 20 5
15 28 8 17 4
13 25 7 16 4
11 21 6 13 4
10 18 5 11 3
9 17 5 11 3
10 18 5 11 3
10 19 5 12 3
9 16 4 10 3
10 18 5 11 3
10 19 5 12 3
12 22 6 14 4
13 25 7 16 4
15 27 8 17 4
16 29 8 18 5

0.3
0.3
0.3
0.3
0.4
0.4
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
0.3
0.3
0.3
0.3
0.3

0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7

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

210° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW

0.3
0.3
0.3
0.3
0.3
0.3
0.3
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
0.3
0.3
0.3

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

120
120
120
110
100
100
100
100
100
100
100
110
110
120
120
120
120
110
110
110
100
100
90
100

3.2
2.5
2.0
1.7
1.7
2.1
2.7
3.5
4.1
4.5
4.6
4.2
3.7
3.0
2.3
1.8
1.7
1.8
2.3
2.9
3.6
4.1
4.3
4.2

17 62
17 62
17 62
17 62
17 62
17 62
17 62
16 62
16 62
16 62
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 62
17 62

75
20
85
85
95
85
85
100
100
65
75
95
100
100
100
100
100
95
75
90
45
45
60
40

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
25
30
45
50
50
40
20
0
0
0
20
0
0
0
0
0

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

1012
1012
1011
1011
1010
1010
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1008
1009
1009
1009
1009
1009
1009
1009

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

23 74
23 73
23 73
22 72
22 71
22 71
21 71
22 72
22 72
21 70
20 68
19 67
19 66
19 66
18 65
18 64
18 64
17 63
17 63
18 64
19 65
19 66
20 67
20 68

25 77
26 79
27 80
25 77
24 74
23 73
21 71
23 74
22 72
21 70
17 63
17 63
17 62
17 62
16 62
16 61
16 60
15 60
16 60
16 62
19 67
21 70
22 72
25 78

11 20 4 6 12
13 24 4 7 15
14 26 4 7 16
16 29 5 8 18
16 30 5 8 19
18 33 5 9 21
18 34 5 9 21
17 31 5 9 19
13 24 4 7 15
10 19 3 5 12
10 18 3 5 11
7 13 3 4 8
6 12 3 3 7
8 14 3 4 9
9 17 3 5 11
9 16 3 4 10
10 18 3 5 11
10 18 3 5 11
10 18 3 5 11
10 19 3 5 12
11 20 4 6 12
10 18 3 5 11
8 15 3 4 9
9 16 3 4 10

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

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

Expert opinion

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

For Carnac :
No gale warning.

We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.

Good clear periods but cloud building. No precipitation. In the evening, very cloudy.
Risk of showers in the early hours. W wind force 4 from the middle of the day. Gusts reaching 19 knots in the evening. Smooth to slight sea. Low, fairly long swell from SSW. Excellent visibility.

Tides at La Trinité-sur-Mer

62

Low tide 04h59 1.47m

High tide 10h51 4.45m

58

Low tide 17h29 1.68m

High tide 23h36 4.58m

www.shom.fr - © SHOM 2025

Consult the tides for July

Fri

18

-

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

Sat

19

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

Sun

20

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

Mon

21

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

Tue

22

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

Wed

23

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

Thu

24

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

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

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

Wed

30

-

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

Thu

31

-

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

Fri

01

-

- 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 board sports area Carnac

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at La Trinité-sur-Mer