Weather Hérel - Granville - Detailed bulletin - Free 15-day Marine forecasts

Granville FRALongitude : -1°35’,898 W Latitude : 48°49’,902 N Altitude : 0m

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

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

Sun

28

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning fresh gale offshore.

Sunday 14 september

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)

40

30

20

10

70

60

50

40

30

20

15

10

5

50

40

30

20

10

5

1

0.5

0

3

0

25

20

15

10

5

80

70

60

50

40

Mon 15

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

185° S S
200° S SSW
220° SW SW
220° SW SW
220° SW SW
215° SW SSW
210° SW SSW
215° SW SW
225° SW SW
240° SW WSW
240° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW WSW
235° SW SW
235° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
255° W WSW

16 29 8 18 5
17 32 9 20 5
16 30 8 19 5
19 35 10 22 5
20 37 10 23 5
22 41 11 25 6
23 42 12 26 6
22 41 11 25 6
23 42 12 26 6
23 42 12 26 6
24 44 12 27 6
23 43 12 27 6
23 43 12 27 6
23 42 12 26 6
23 42 12 26 6
23 42 12 26 6
22 41 11 25 6
22 41 11 25 6
23 43 12 27 6
25 46 13 29 6
24 45 13 28 6
24 45 13 28 6
24 45 13 28 6
23 42 12 26 6

24 44 12 27 6
25 47 13 29 6
26 48 13 30 6
28 52 14 32 7
32 59 16 37 7
33 62 17 39 8
35 65 18 40 8
36 67 19 42 8
37 68 19 42 8
35 65 18 40 8
36 67 19 42 8
37 68 19 42 8
35 64 18 40 8
33 62 17 39 8
34 63 18 39 8
33 61 17 38 7
33 61 17 38 7
32 60 17 37 7
35 64 18 40 8
36 66 18 41 8
36 67 19 42 8
37 68 19 42 8
36 67 19 42 8
35 65 18 40 8

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

0.8
0.9
1.1
1.1
1.2
1.2
1.3
1.3
1.2
1.3
1.4
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.5
1.4
1.4
1.4

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

275° W W
280° W W
280° W W
275° W W
275° W W
275° W W
225° SW SW
220° SW SW
275° W W
245° SW WSW
245° SW WSW
270° W W
285° W WNW
245° SW WSW
225° SW SW
285° W WNW
245° SW WSW
230° SW SW
215° SW SW
220° SW SW
225° SW SW
225° SW SW
230° SW SW
230° SW SW

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.1
<0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2

9
8
6
7
5
5
4
4
6
5
5
7
6
5
5
7
5
4
5
6
6
6
6
6

45
25
25
30
30
30
30
30
30
30
30
30
35
35
35
50
50
60
40
40
40
40
45
45

7.3
5.9
4.7
4.0
4.1
5.0
6.7
8.4
9.7
10.2
9.9
9.0
7.9
6.6
5.5
4.7
4.5
5.0
6.2
7.7
9.1
9.9
9.9
9.4

18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65

100
100
95
95
100
95
100
100
100
80
95
90
70
90
85
70
80
60
85
80
85
85
80
60

0
0
0
0
0
0
0.2
0.2
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-

25
25
25
25
20
30
60
60
60
40
40
35
25
0
0
0
0
0
0
20
30
40
40
30

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

1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016

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

21 70
21 70
21 69
20 68
20 68
20 67
19 67
19 66
19 65
18 64
17 63
17 62
17 62
16 61
16 61
16 60
16 60
16 60
16 61
16 61
17 62
17 63
17 63
18 64

20 67
19 66
20 68
18 65
14 56
13 55
12 54
12 53
12 53
11 52
10 50
10 49
9 49
9 48
9 48
9 48
9 47
9 49
10 51
11 52
13 55
14 58
14 58
15 60

21 39 6 11 24
20 37 5 10 23
23 42 6 12 26
24 44 6 12 27
25 46 6 13 29
26 48 6 13 30
28 51 7 14 32
28 51 7 14 32
30 55 7 15 34
29 54 7 15 34
30 56 7 16 35
30 56 7 16 35
30 55 7 15 34
29 54 7 15 34
30 55 7 15 34
30 56 7 16 35
29 54 7 15 34
30 55 7 15 34
30 55 7 15 34
30 56 7 16 35
31 57 7 16 35
31 57 7 16 35
31 57 7 16 35
32 59 7 16 37

1
1
1
1.2
1.4
1.6
1.8
1.8
1.8
1.9
2
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.1
2.2
2.2
2.2

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 52min ago | Next update in 3h
Caption

Expert opinion

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

For Hérel - Granville :
Warning fresh gale offshore.

We are 85% sure of the situation, because it is possible that the change in the rain system may not be as clear as forecast.

Overcast skies. Chance of light rain. In the evening, very cloudy skies becoming totally overcast.
Light showers. SSW force 5 in the middle of the day becoming SW force 6 in the evening. Gusts reaching 36 knots in the evening. Smooth to slight sea becoming slight in the evening. Low, fairly long swell from W. Excellent visibility.

Tides at Granville

66

High tide 00h03 11.35m

Low tide 07h05 3.44m

58

High tide 12h24 10.95m

Low tide 19h29 3.93m

www.shom.fr - © SHOM 2025

Consult the tides for September

Sun

14

-

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

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

- 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 port Hérel - Granville

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Granville