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

Granville FRALongitude : -1°35’,898 W Latitude : 48°49’,902 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

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

Thu

04

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 21 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

25

20

15

10

5

0

10

5

0

0.5

0

3

0

25

20

15

10

80

70

60

50

Fri 22

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

240° SW WSW
280° W W
360° N N
350° N N
350° N N
355° N N
15° N NNE
20° N NNE
25° NE NNE
30° NE NNE
30° NE NNE
25° NE NNE
30° NE NNE
25° NE NNE
25° NE NNE
30° NE NNE
35° NE NNE
40° NE NE
50° NE NE
65° NE ENE
65° NE ENE
85° E E
90° E E
120° SE ESE

10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
10 18 5 11 3
9 17 5 11 3
10 19 5 12 3
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
11 20 6 12 4
10 18 5 11 3
9 16 4 10 3
8 14 4 9 3
8 15 4 9 3
8 14 4 9 3
7 13 4 8 3
6 12 3 7 3
5 10 3 6 2
5 10 3 6 2
5 9 3 6 2
4 8 2 5 2
4 8 2 5 2
3 5 1 3 1
2 4 1 2 1

15 28 8 17 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
16 30 8 19 5
17 32 9 20 5
17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
16 30 8 19 5
14 26 7 16 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
11 20 6 12 4
10 19 5 12 -
9 17 5 11 3
9 16 4 10 3
8 15 4 9 3
8 14 4 9 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1

0.4
0.5
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.4
0.3
0.2
0.1
0.1
0.1

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

300° NW WNW
250° W WSW
250° W WSW
295° NW WNW
250° W WSW
250° W WSW
250° W WSW
265° W W
265° W W
250° W WSW
255° W WSW
265° W W
265° W W
265° W W
270° W W
275° W W
260° W W
270° W W
335° NW NNW
320° NW NW
300° NW WNW
295° NW WNW
290° W WNW
290° W WNW

<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
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1

3
2
2
4
2
2
2
3
3
2
2
3
3
2
3
2
1
1
2
2
6
8
8
8

10
10
10
9
9
9
10
10
10
10
10
10
9
150
140
140
150
150
6
10
60
90
100
110

5.8
4.3
3.4
3.2
4.2
6.3
8.6
10.6
11.5
11.3
10.2
8.5
6.5
4.6
3.2
2.5
2.8
4.5
7.0
9.6
11.3
11.6
10.9
9.4

20 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
21 69
20 69
20 69
20 69
21 69

0
0
85
90
90
85
85
65
45
30
30
30
45
50
50
80
40
45
75
80
75
80
85
85

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
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
15
15
>20
>20

1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

2
2
2
2
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

19 67
20 67
19 67
20 68
20 67
20 68
20 68
20 68
19 67
19 65
17 63
16 61
15 59
15 59
14 58
14 57
14 57
14 57
14 57
14 57
14 57
14 57
15 60
17 62

22 71
23 73
18 65
19 66
21 69
23 74
23 73
19 66
18 64
16 60
14 57
13 55
12 54
12 53
12 53
12 53
11 52
12 53
12 53
12 54
12 54
13 55
16 60
18 65

12 22 4 6 14
11 20 4 6 12
10 19 3 5 12
10 18 3 5 11
12 22 4 6 14
13 24 4 7 15
12 23 4 6 14
11 21 4 6 13
12 23 4 6 14
12 23 4 6 14
12 22 4 6 14
11 21 4 6 13
12 22 4 6 14
11 20 4 6 12
9 17 3 5 11
8 15 3 4 9
7 13 3 4 8
7 13 3 4 8
6 12 3 3 7
5 10 2 3 6
4 8 2 2 5
4 8 2 2 5
3 6 2 2 4
3 5 1 1 3

0.4
0.4
0.4
0.4
0.5
0.5
0.5
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

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A northerly and mostly variable flow prevails over the whole area.

For Hérel - Granville :
No gale warning.

The reliability of the situation is assessed at 90%.

Sun in the morning, some sun but cloud building in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. SSW force 3 turning N force 4 in the middle of the day then NNE. Gusts reaching 17 knots from the middle of the day. Smooth sea. Low, short swell from WNW. Excellent visibility.

Tides at Granville

67

Low tide 01h18 3.29m

High tide 06h53 10.9m

73

Low tide 13h44 3.18m

High tide 19h12 11.55m

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

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- 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 port Hérel - Granville

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Granville