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

Lanton FRALon : -1°3’,402 W Lat : 44°42’,498 N Alt : 0m

Sat

14

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Sun

15

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Mon

16

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Tue

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Wed

18

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Thu

19

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Fri

20

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Sat

21

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Sun

22

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Mon

23

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Tue

24

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Wed

25

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Thu

26

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Fri

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Sat

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BULLETIN

(* established in local time)

Reliability 80%

No gale warning.

Saturday 14 mar

METEO CONSULT Run : 14/03 00Z Mesh : 1km Updated, 2h ago Update in 4h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

20

15

10

5

0

40

30

20

10

0

15

10

5

0

30

20

10

0

10

5

0

0.5

0

3

0

20

15

10

5

0

70

60

50

40

30

                                    
                                                                         Sun 15
                                                            
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                        Run : 14/03 00Z
                Mesh : 1km
                Updated, 2h ago
                Update in 4h

Sun 15

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

310° NW NW
310° NW NW
305° NW NW
305° NW NW
320° NW NW
315° NW NW
350° N N
340° N NNW
330° NW NNW
340° N NNW
350° N N
0° 0 0
345° N NNW
355° N N
15° N NNE
345° N NNW
10° N N
15° N NNE
20° N NNE
15° N NNE
355° N N
340° N NNW
320° NW NW
290° W WNW

8 14 4 9 3
7 13 4 8 3
9 17 5 11 3
6 12 3 7 3
4 8 2 5 2
5 9 3 6 2
3 5 1 3 1
3 5 1 3 1
4 7 2 4 2
2 4 1 2 1
2 4 1 2 1
3 5 1 3 1
3 5 1 3 1
3 6 2 4 2
4 7 2 4 2
3 5 1 3 1
4 7 2 4 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
4 8 2 5 2
7 13 4 8 3

17 32 9 20 5
18 33 9 21 5
17 32 9 20 5
19 35 10 22 5
13 24 7 15 4
11 21 6 13 4
10 19 5 12 3
6 12 3 7 3
9 17 5 11 3
8 14 4 9 3
6 11 3 7 2
7 13 4 8 3
5 10 3 6 2
6 12 3 7 3
8 14 4 9 3
6 11 3 7 2
6 11 3 7 -
6 12 3 7 3
7 13 4 8 3
8 14 4 9 3
9 16 4 10 3
10 19 5 12 3
11 20 6 12 4
13 25 7 16 4

0.3
0.3
0.3
0.3
0.3
0.2
0.3
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
0.3

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

290° W WNW
285° W WNW
290° 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
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

12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
11

100
100
110
110
120
120
150
150
150
120
120
120
120
150
260
250
260
260
250
240
220
220
110
110

3.1
2.9
2.6
2.1
1.7
1.5
1.5
1.8
2.2
2.6
3.1
3.4
3.4
3.3
2.8
2.3
1.7
1.4
1.2
1.4
1.7
2.3
2.8
3.2

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

5
5
85
60
60
70
65
45
70
60
65
60
30
30
35
35
25
30
15
0
10
30
50
55

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
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
15
10
10
10
5
10
10
5
5
5
10
>20
>20
>20
>20
>20

1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017
1018
1019
1019
1019
1019
1019

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
3
3
3

11 52
11 51
11 51
10 49
9 47
8 46
8 46
7 45
8 46
7 44
7 44
7 44
7 44
7 44
6 43
6 42
5 42
5 40
5 41
8 47
10 50
11 52
12 54
12 54

13 56
11 52
10 50
9 47
7 45
6 43
6 44
6 43
6 43
6 43
6 42
6 43
6 42
5 42
5 41
5 40
4 39
4 38
5 41
10 50
13 56
15 59
16 60
15 58

12 22 4 6 14
12 22 4 6 14
13 24 4 7 15
12 23 4 6 14
12 22 4 6 14
12 23 4 6 14
12 22 4 6 14
12 22 4 6 14
13 24 4 7 15
13 25 4 7 16
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15
12 23 4 6 14
11 21 4 6 13
12 22 4 6 14
11 21 4 6 13
10 19 3 5 12
9 17 3 5 11
9 16 3 4 10
8 14 3 4 9
7 13 3 4 8
6 12 3 3 7
6 12 3 3 7

3.4
3.3
3.3
3.2
3.2
3.1
3.1
3
3
2.9
2.9
2.8
2.8
2.7
2.6
2.6
2.5
2.5
2.5
2.4
2.4
2.3
2.3
2.3

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 2h ago | Next update in 1h
Caption

Expert opinion

A northwesterly, moderate and very variable flow prevails over the whole area.

For Cassy - Port de Lanton :
No gale warning.

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Cloudy spells, sometimes dense. Light showers progressively becoming less frequent. In the evening, clear periods developing.
Chance of light rain. NW wind force 3 from the middle of the day. Gusts reaching 19 knots in the evening. Smooth sea. Low, fairly long swell from WNW. Excellent visibility becoming good in the evening.

Tides at Arcachon

28

High tide 01h51 3.15m

Low tide 08h03 1.53m

35

High tide 14h38 3.15m

Low tide 20h29 1.5m

www.shom.fr - © SHOM 2026

Consult the tides for March

Go further

Sat

14

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

Sun

15

-

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

Mon

16

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

Tue

17

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

Wed

18

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

Thu

19

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

Fri

20

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

Sat

21

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

Sun

22

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

Mon

23

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

Tue

24

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

Wed

25

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

Thu

26

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

Fri

27

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

Sat

28

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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 port Cassy - Port de Lanton

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Arcachon

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