Weather Gravelines & Les Hemmes de Marck - Detailed bulletin - Free 15-day Marine forecasts

Grand-Fort-Philippe FRALongitude : 2°5’,4 E Latitude : 51°0’,6 N Altitude : 0m

Thu

04

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Thursday 4 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)

30

20

10

0

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

1

0.5

0

3

0

25

20

15

10

5

80

70

60

50

Fri 5

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

245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
260° W W
255° W WSW
250° W WSW
250° W WSW
240° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
265° W W
270° W W
270° W W
270° W W
270° W W
270° W W
265° W W
260° W W
255° W WSW
245° SW WSW
235° SW SW
220° SW SW

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

25 46 13 29 6
22 41 11 25 6
18 34 9 21 5
16 30 8 19 5
17 31 9 19 5
16 30 8 19 5
14 26 7 16 4
12 23 6 14 4
10 19 5 12 -
10 19 5 12 -
10 18 5 11 3
11 21 6 13 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
15 28 8 17 4
15 28 8 17 4
16 29 8 18 5
15 27 8 17 4
12 23 6 14 4

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

1.4
1.4
1.4
1.3
1.2
1.1
1
1.4
1.3
1.2
1.1
1.1
1.1
1
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.7
0.7
0.7

0.6
0.7
0.6
0.4
0.2
0.2
0.2
0.5
0.4
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.2
0.2
0.2
0.1
0.1
0.1

290° W WNW
320° NW NW
325° NW NW
290° W WNW
300° NW WNW
300° NW WNW
305° NW WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
295° NW WNW
295° NW WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
285° W WNW
280° W WNW
275° W W
270° W W
270° W W
270° W W

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

6
5
4
5
4
4
4
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

40
35
30
30
25
25
25
25
25
25
25
25
25
25
25
20
20
20
20
20
20
20
20
20

0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.7
0.7
0.7

19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66

0
0
20
25
25
30
35
25
25
20
25
30
35
30
30
25
20
20
30
40
15
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
0
0
0

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

1011
1012
1012
1013
1014
1014
1014
1015
1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022

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

17 62
16 61
15 60
15 59
14 58
14 57
14 56
13 56
13 55
13 55
14 57
16 60
17 62
18 64
18 65
19 66
19 67
20 67
20 68
20 67
19 66
18 65
17 63
16 60

13 55
12 54
12 53
12 53
11 52
11 52
11 51
11 51
10 51
10 51
12 53
14 58
16 60
18 64
19 67
21 69
21 71
22 71
21 71
20 69
18 65
17 62
15 58
13 56

16 30 5 8 19
15 28 4 8 17
16 30 5 8 19
16 30 5 8 19
13 24 4 7 15
15 28 4 8 17
12 22 4 6 14
13 25 4 7 16
13 25 4 7 16
13 24 4 7 15
13 24 4 7 15
12 23 4 6 14
11 20 4 6 12
9 17 3 5 11
8 14 3 4 9
8 14 3 4 9
9 17 3 5 11
11 21 4 6 13
14 26 4 7 16
16 30 5 8 19
16 30 5 8 19
15 28 4 8 17
16 29 5 8 18
15 27 4 8 17

1.4
1.3
1.1
1.1
1
0.9
0.9
0.8
0.7
0.7
0.6
0.6
0.5
0.5
0.5
0.4
0.4
0.4
0.5
0.6
0.6
0.6
0.6
0.6

Forecasts established in local time
Last updated 35min ago | Next update in 3h
Caption

Expert opinion

High 1020 hPa centered on Switzerland remaining almost stationary.

For Gravelines & Les Hemmes de Marck :
No gale warning.

We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.

In the evening, clear skies.
WSW wind force 4. Gusts reaching 27 knots in the evening. Slight sea. Low, short swell from WNW. Excellent visibility.

Tides at Nice

41

Low tide 02h14 0.54m

High tide 06h58 0.6m

49

Low tide 13h02 0.49m

High tide 19h48 0.69m

www.shom.fr - © SHOM 2025

Consult the tides for September

Thu

04

-

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

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

Sat

13

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

Sun

14

-

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

Mon

15

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

Tue

16

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

Wed

17

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

Thu

18

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- 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 Gravelines &amp; Les Hemmes de Marck

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Nice

Weather board sports area Gravelines & Les Hemmes de Marck