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

Tue

16

-

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

Wed

17

-

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

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

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

Tue

30

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Tuesday 16 december

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)

10

5

0

20

15

10

5

0

10

5

0

15

10

5

0

5

0

0.5

0

3

0

20

15

10

5

60

55

50

45

Wed 17

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

175° S S
190° S S
180° S S
190° S S
185° S S
200° S SSW
180° S S
60° NE ENE
5° N N
55° NE NE
60° NE ENE
55° NE NE
70° E ENE
25° NE NNE
225° SW SW
230° SW SW
245° SW WSW
185° S S
155° SE SSE
135° SE SE
130° SE SE
125° SE SE
130° SE SE
135° SE SE

2 4 1 2 1
2 3 1 2 1
2 3 1 2 1
1 2 1 1 1
1 1 0 1 1
1 2 1 1 1
1 2 1 1 1
0 0 0 0 0
1 1 0 1 1
1 2 1 1 1
1 1 0 1 1
1 2 1 1 1
0 0 0 0 0
1 1 0 1 1
0 0 0 0 0
1 1 0 1 1
1 1 0 1 1
1 1 0 1 1
1 2 1 1 1
2 4 1 2 1
3 6 2 4 2
4 8 2 5 2
5 9 3 6 2
5 10 3 6 2

5 9 3 6 2
6 11 3 7 2
5 10 3 6 2
5 10 3 6 2
5 9 3 6 2
5 9 3 6 2
4 7 2 4 2
4 8 2 5 2
4 8 2 5 2
4 7 2 4 2
3 6 2 4 2
3 6 2 4 2
4 7 2 4 2
4 8 2 5 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
5 9 3 6 2
4 7 2 4 2
4 8 2 5 2
7 13 4 8 3
8 14 4 9 3
8 14 4 9 3
9 17 5 11 3

0.2
0.2
0.2
0.2
0.3
0.3
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

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

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

290° W WNW
290° W WNW
290° W WNW
290° W WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW 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

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

14
14
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13

290
220
150
150
180
210
250
270
280
300
300
280
270
250
240
240
200
230
140
140
140
140
130
160

1.7
2.3
2.9
3.4
3.7
3.7
3.3
2.7
2.1
1.5
1.2
1.2
1.5
2.0
2.7
3.2
3.6
3.7
3.5
3.0
2.3
1.6
1.2
1.1

14 57
14 57
14 57
14 57
14 57
14 57
14 56
14 56
14 56
14 56
14 56
14 56
14 56
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57

0
85
50
55
75
75
80
85
90
95
90
95
85
85
80
85
80
25
75
90
70
55
45
45

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

1.5
2
2
2
3
3
3
2
2
1
1
1
3
5
10
>20
>20
>20
15
10
5
4
3
2

1016
1017
1017
1018
1018
1019
1019
1020
1020
1021
1022
1022
1023
1023
1022
1022
1022
1021
1022
1022
1022
1022
1022
1022

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

11 51
10 50
10 50
10 49
9 49
9 49
9 48
9 48
9 48
9 48
9 48
10 49
11 51
12 53
12 54
13 55
13 56
13 56
13 55
12 53
11 51
10 50
10 49
10 49

10 49
9 49
9 48
9 48
9 48
9 48
8 47
9 47
8 47
8 47
8 47
9 49
12 53
13 55
14 58
15 58
15 58
14 57
12 54
11 51
9 49
8 47
8 46
8 46

8 14 3 4 9
8 15 3 4 9
8 14 3 4 9
9 16 3 4 10
9 16 3 4 10
11 21 4 6 13
11 20 4 6 12
11 21 4 6 13
10 19 3 5 12
9 16 3 4 10
6 12 3 3 7
5 9 2 3 6
5 9 2 3 6
3 5 1 1 3
2 3 1 1 2
1 1 1 0 1
3 6 2 2 4
4 8 2 2 5
5 10 2 3 6
6 12 3 3 7
9 16 3 4 10
10 19 3 5 12
12 22 4 6 14
13 25 4 7 16

2.8
2.8
2.8
2.8
2.8
2.8
2.8
2.7
2.7
2.7
2.7
2.7
2.7
2.7
2.6
2.6
2.6
2.5
2.5
2.4
2.3
2.3
2.2
2.2

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, very strong and mostly variable flow prevails over the South-West of the basin. Over the North and the East, it is southwesterly, moderate and mostly variable.

For Cassy - Port de Lanton :
No gale warning.

The reliability of the situation is assessed at 95%.

In the evening, clear skies but atmosphere misty.
SSE wind force 1. Gusts reaching 5 knots in the evening. Smooth sea. Low, long swell from WNW. Visibility reduced by mist.

Tides at Arcachon

51

High tide 02h41 3.61m

Low tide 08h36 1.25m

54

High tide 15h06 3.63m

Low tide 21h03 1.17m

www.shom.fr - © SHOM 2025

Consult the tides for December

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

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

Wed

24

-

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

Thu

25

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

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

Tue

30

-

- 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