Weather Cassy - Port de Lanton - Detailed bulletin - Free 15-day Marine forecasts

Lanton FRALongitude : -1°3’,402 W Latitude : 44°42’,498 N Altitude : 0m

Sat

19

-

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

Sun

20

-

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

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

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

Sat

03

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Saturday 19 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)

40

30

20

10

0

80

70

60

50

40

30

20

10

0

25

20

15

10

5

0

50

40

30

20

10

0

10

5

0

0.5

0

9

6

3

0

15

10

5

0

60

55

50

45

40

Sun 20

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

240° SW WSW
240° SW WSW
215° SW SW
195° S SSW
195° S SSW
190° S S
175° S S
170° S S
175° S S
185° S S
195° S SSW
215° SW SW
230° SW SW
235° SW SW
230° SW SW
220° SW SW
225° SW SW
230° SW SW
240° SW WSW
250° W WSW
255° W WSW
260° W WSW
260° W W
265° W W

6 11 3 7 2
7 13 4 8 3
4 8 2 5 2
5 9 3 6 2
6 11 3 7 2
5 9 3 6 2
6 11 3 7 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
7 13 4 8 3
8 14 4 9 3
11 21 6 13 4
15 27 8 17 4
18 34 9 21 5
19 36 10 22 5
21 39 11 24 6
22 40 11 25 6
23 43 12 27 6
23 43 12 27 6
21 39 11 24 6
20 37 10 23 5
19 35 10 22 5
18 33 9 21 5

13 25 7 16 4
13 25 7 16 4
9 17 5 11 3
10 18 5 11 3
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4
10 18 5 11 3
11 21 6 13 4
12 22 6 14 4
12 23 6 14 4
15 27 8 17 4
19 35 10 22 5
24 45 13 28 6
30 56 16 35 7
33 62 17 39 8
35 65 18 40 8
37 69 19 43 8
37 69 19 43 8
39 72 20 45 8
38 71 20 44 8
35 65 18 40 8
33 62 17 39 8
32 60 17 37 7

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.3

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

0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2

285° W WNW
285° W WNW
285° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW
260° W W
285° W WNW
290° W WNW
290° W WNW
290° W WNW
290° W WNW

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
0.2
0.2
0.2
0.2
0.2
0.2

9
9
10
11
12
12
12
12
12
12
12
12
12
12
11
10
9
10
7
9
9
9
9
9

60
70
90
100
110
120
120
190
220
150
150
150
120
110
80
25
25
15
25
30
30
35
35
30

2.9
3.2
3.4
3.3
3.0
2.5
1.9
1.5
1.3
1.4
1.6
2.0
2.4
2.8
3.1
3.1
3.0
2.6
2.2
1.8
1.6
1.6
1.7
2.0

15 58
15 59
15 58
15 58
15 58
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 58
15 58
15 58
15 59
15 59
15 59
15 59
15 59
15 59
15 59

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.2
2.4
2.4
4.5
5.3
5.5
5.2
3.8
2
1.4

-
-
-
-
-
-

60
0
30
30
35
20
0
0
0
0
0
20
40
65
85
95
100
100
100
100
90
85
80
85

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

1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
0
0
0
0

12 53
12 53
12 53
11 52
11 52
11 51
11 51
10 51
10 50
10 50
11 51
11 52
12 53
12 54
12 53
12 53
12 53
12 53
12 53
12 54
12 54
13 55
13 55
13 55

10 49
9 49
10 49
9 49
9 48
9 48
8 47
9 47
8 47
8 46
8 46
8 47
8 46
7 45
6 43
6 42
6 42
5 41
5 41
5 41
6 42
6 43
7 44
7 45

12 22 4 6 14
11 20 4 6 12
10 18 3 5 11
10 18 3 5 11
11 21 4 6 13
12 22 4 6 14
12 23 4 6 14
13 24 4 7 15
12 23 4 6 14
14 26 4 7 16
19 36 5 10 22
22 41 6 11 25
25 46 6 13 29
28 52 7 14 32
28 52 7 14 32
31 57 7 16 35
28 51 7 14 32
26 49 6 14 30
29 53 7 15 33
29 53 7 15 33
29 54 7 15 34
29 54 7 15 34
28 52 7 14 32
27 50 7 14 31

2.2
2.4
2.6
2.7
2.9
3
3
3
2.9
2.8
2.7
2.7
2.7
2.8
3
3.1
3.2
3.1
3
3.1
3.2
3.3
3.3
3.3

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

Low 995 hPa centered at 210 nautical miles in the South-South-West of Fastnet Rock (South-West Ireland) moving at 19 knots to the East to be centered on the center of France.

For Cassy - Port de Lanton :
No gale warning.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.

In the evening, overcast skies.
Light showers. WSW wind force 3. Gusts reaching 16 knots in the evening. Smooth sea. Low, fairly long swell from WNW. Excellent visibility.

Tides at Arcachon

49

Low tide 03h24 1.08m

High tide 09h48 3.35m

44

Low tide 15h39 1.31m

High tide 22h15 3.4m

www.shom.fr - © SHOM 2025

Consult the tides for April

Sat

19

-

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

Sun

20

-

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

Mon

21

-

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

Tue

22

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- 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

* +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 Cassy - Port de Lanton

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Arcachon