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

17

-

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

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

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

Mon

28

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

Tue

29

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

Wed

30

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

Thu

31

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 17 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)

15

10

5

0

30

20

10

0

10

5

0

15

10

5

0

5

0

0.5

0

3

0

30

25

20

15

10

90

80

70

60

50

Fri 18

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

160° S SSE
165° S SSE
165° S SSE
165° S SSE
165° S SSE
160° S SSE
135° SE SE
125° SE SE
40° NE NE
345° N NNW
340° N NNW
325° NW NW
320° NW NW
325° NW NNW
320° NW NW
310° NW NW
295° NW WNW
270° W W
215° SW SW
200° S SSW
185° S S
175° S S
170° S SSE
175° S S

2 3 1 2 1
2 3 1 2 1
2 4 1 2 1
3 5 1 3 1
3 5 1 3 1
2 4 1 2 1
2 4 1 2 1
2 4 1 2 1
1 1 0 1 1
3 5 1 3 1
5 9 3 6 2
6 11 3 7 2
5 9 3 6 2
5 9 3 6 2
4 8 2 5 2
4 7 2 4 2
4 8 2 5 2
3 5 1 3 1
2 3 1 2 1
3 6 2 4 2
3 5 1 3 1
3 5 1 3 1
3 5 1 3 1
2 4 1 2 1

3 6 2 4 2
3 6 2 4 2
4 8 2 5 2
5 9 3 6 2
5 9 3 6 2
6 11 3 7 2
6 11 3 7 2
6 12 3 7 3
8 14 4 9 3
10 18 5 11 3
11 20 6 12 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
11 21 6 13 4
11 20 6 12 4
10 18 5 11 3
9 16 4 10 3
7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
5 9 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
0.2
0.2
0.2
0.2

0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.5

0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0

290° W WNW
300° NW WNW
300° NW WNW
160° S SSE
160° S SSE
165° S SSE
165° S SSE
160° S SSE
340° N NNW
165° S SSE
165° S SSE
175° S S
170° S S
340° N NNW
340° N NNW
340° N NNW
325° NW NW
320° NW NW
315° NW NW
170° S S
175° S S
175° S S
180° S S
180° S S

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
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

4
4
4
4
4
4
4
3
3
3
3
3
5
4
4
3
3
3
3
5
5
5
5
5

35
30
60
30
25
25
25
25
20
20
45
50
50
60
20
20
50
50
50
45
45
40
40
40

0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6

20 67
20 67
20 67
20 67
20 67
20 67
20 67
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68

70
75
75
80
85
40
35
35
80
90
95
95
70
65
70
50
70
30
35
50
50
40
45
60

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

4.5
5
3
2
5
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
10
10
5
5
5

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015

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

14 57
14 57
14 57
14 58
15 60
17 63
19 66
21 69
21 70
22 71
21 71
21 71
22 71
22 71
21 71
21 71
21 70
21 69
19 67
18 65
18 64
17 63
17 62
16 62

14 56
13 55
13 55
14 56
16 60
18 65
22 71
28 82
29 84
29 84
27 81
26 79
27 81
25 78
27 80
26 78
24 75
23 74
19 65
17 63
17 62
16 61
15 60
15 60

7 13 3 4 8
3 5 1 1 3
3 6 2 2 4
4 8 2 2 5
5 9 2 3 6
5 9 2 3 6
3 6 2 2 4
5 9 2 3 6
4 8 2 2 5
5 10 2 3 6
4 8 2 2 5
6 11 2 3 7
7 13 3 4 8
9 16 3 4 10
11 20 4 6 12
11 21 4 6 13
12 23 4 6 14
13 24 4 7 15
12 23 4 6 14
12 22 4 6 14
11 21 4 6 13
10 19 3 5 12
10 18 3 5 11
10 18 3 5 11

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
0.4
0.4
0.5
0.5
0.5
0.4
0.4
0.4
0.4

Forecasts established in local time
Last updated 24min ago | Next update in 3h
Caption

Expert opinion

High 1021 hPa centered at 100 nautical miles in the South-West of the Île de Sein moving at 25 knots to the East to be centered on Switzerland.

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

The reliability of the situation is assessed at 90%.

Very cloudy skies. Becoming more changeable for a time in the morning. No precipitation. In the evening, clear periods developing.
No precipitation. SSE force 1 turning NNW force 2 in the middle of the day then WNW. Gusts reaching 12 knots in the middle of the day. Smooth sea. Low, short swell from SSE. Visibility reduced by mist becoming excellent in the middle of the day then good.

Tides at Nice

72

High tide 01h29 0.65m

Low tide 08h44 0.45m

69

High tide 13h48 0.57m

Low tide 20h32 0.46m

www.shom.fr - © SHOM 2025

Consult the tides for July

Thu

17

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

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

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

Mon

28

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

Tue

29

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

Wed

30

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

Thu

31

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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