Weather Plage des Dunes de la Slack - Detailed bulletin - Free 15-day Marine forecasts

Ambleteuse (62930)Longitude : 1°36’,3498 E Latitude : 50°47’,766 N Altitude : 0m

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

- 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

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Mon

05

-

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Monday 21 april

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

15

10

5

0

25

20

15

10

5

10

5

0

1

0.5

0

3

0

15

10

5

60

55

50

45

40

Tue 22

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

245° SW WSW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
230° SW SW
230° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
240° SW WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
260° W W
255° W WSW
255° W WSW
245° SW WSW
240° SW WSW
235° SW SW
235° SW SW
230° SW SW

9 16 4 10 3
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
11 20 6 12 4
10 19 5 12 3
10 18 5 11 3
9 17 5 11 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
7 13 4 8 3
8 15 4 9 3
9 17 5 11 3
10 19 5 12 3
11 21 6 13 4
11 21 6 13 4

13 25 7 16 4
16 29 8 18 5
17 31 9 19 5
17 31 9 19 5
18 33 9 21 5
19 35 10 22 5
18 33 9 21 5
17 32 9 20 5
16 29 8 18 5
16 29 8 18 5
14 26 7 16 4
13 24 7 15 4
12 23 6 14 4
11 20 6 12 4
10 19 5 12 -
9 17 5 11 -
9 16 4 10 3
9 17 5 11 -
10 19 5 12 -
12 22 6 14 4
13 24 7 15 4
15 27 8 17 4
16 30 8 19 5
16 30 8 19 5

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

0.6
0.8
0.9
1
1.1
1.2
1.2
1.2
1.2
1.2
1.1
1.1
1
1
1
1
1
1
1
1
1
1.1
1.1
1.2

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

130° SE SE
260° W W
260° W W
255° W WSW
300° NW WNW
295° NW WNW
280° W W
270° W W
270° W W
270° W W
265° W W
260° W W
260° W W
260° W W
260° W W
265° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
270° W W
275° W W

0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

7
7
7
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5

100
90
80
80
20
20
25
25
25
25
25
25
25
25
25
25
25
25
30
30
30
35
25
25

5.0
5.9
6.5
6.6
6.3
5.7
5.0
4.3
3.7
3.3
3.3
3.7
4.5
5.4
6.1
6.6
6.5
6.2
5.5
4.8
4.0
3.4
3.1
3.2

11 53
11 53
11 53
11 53
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 53
12 53

85
90
95
100
95
95
90
90
90
75
75
80
80
75
50
50
50
75
55
60
60
40
55
50

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

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

1010
1011
1011
1011
1011
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1018

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

11 52
12 53
11 52
11 52
11 52
11 51
11 51
11 51
11 51
10 51
10 51
10 51
10 50
10 49
9 48
9 48
9 49
10 50
11 51
11 52
11 53
12 53
12 53
12 53

9 49
12 53
9 49
8 47
7 45
7 44
7 44
7 44
7 44
7 44
7 44
7 45
7 45
7 44
7 44
6 43
8 46
10 49
11 52
12 54
13 55
14 57
13 56
14 57

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

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

Forecasts established in local time
Last updated 16min ago | Next update in 3h
Caption

Expert opinion

An easterly and mostly variable flow prevails over the North-East of the basin. Over the South and the West, it is westerly, moderate and mostly variable.

For Plage des Dunes de la Slack :
No gale warning.

The reliability of the situation is assessed at 95%.

Very cloudy skies to overcast. No precipitation. In the evening, very cloudy skies to overcast.
No precipitation. SW wind force 4 from the middle of the day. Gusts reaching 19 knots in the evening. Smooth sea becoming slight in the evening. Low, short swell from SE. Poor visibility becoming excellent in the evening.

Tides at Boulogne

32

Low tide 00h22 3.03m

High tide 05h49 6.79m

32

Low tide 12h58 3.01m

High tide 18h40 6.61m

www.shom.fr - © SHOM 2025

Consult the tides for April

Mon

21

-

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

Tue

22

-

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

Wed

23

-

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

Thu

24

-

- 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

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Mon

05

-

- 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 beach Plage des Dunes de la Slack

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Boulogne