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

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Sun

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Wed

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Thu

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Sat

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Sun

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Mon

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Tue

03

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Wed

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Thu

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Fri

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BULLETIN

(* established in local time)

Reliability 90%

No gale warning.

Saturday 21 feb

METEO CONSULT Run : 21/02 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)

10

5

0

20

15

10

5

0

15

10

5

0

5

0

0.5

0

3

0

20

15

10

5

0

70

60

50

40

30

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

Sun 22

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

185° S S
215° SW SW
225° SW SW
260° W W
275° W W
275° W W
285° W WNW
305° NW WNW
345° N NNW
5° N N
20° N NNE
40° NE NE
60° NE ENE
65° NE ENE
80° E ENE
90° E E
95° E E
95° E E
90° E E
95° E E
100° E E
100° E E
115° SE ESE
130° SE SE

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

5 10 3 6 2
6 12 3 7 3
6 11 3 7 2
6 11 3 7 2
6 11 3 7 -
6 12 3 7 3
7 13 4 8 3
7 13 4 8 3
9 16 4 10 3
9 16 4 10 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 -
6 11 3 7 -
5 9 3 6 -
4 8 2 5 2
4 8 2 5 2
5 9 3 6 -
5 10 3 6 2
5 9 3 6 -
6 11 3 7 -
7 13 4 8 3

0.3
0.3
0.3
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
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3

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

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

0.3
0.3
0.3
0.3
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
0.4
0.4
0.3
0.3
0.3
0.3
0.3

12
12
12
12
12
13
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14
13
13
13

210
220
230
240
250
260
260
270
280
280
290
290
300
300
300
300
300
300
300
300
290
290
290
280

2.4
1.5
0.8
0.5
0.8
1.4
2.3
3.2
3.9
4.2
4.0
3.4
2.5
1.7
0.9
0.6
0.7
1.2
2.1
3.0
3.7
4.2
4.2
3.7

11 53
12 53
12 53
12 53
12 53
12 53
12 54
12 54
12 54
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53

100
15
15
30
15
20
25
30
40
70
55
40
40
45
50
55
60
65
65
60
55
55
55
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

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
15
10
5
5
4
4
3
3
3
3
3
3
3
4
10

1033
1033
1033
1032
1031
1031
1030
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1029
1029
1029
1029
1029

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

11 52
13 55
14 56
14 57
14 57
14 57
14 56
13 55
11 52
10 50
10 50
9 49
9 48
9 47
8 47
8 46
7 45
7 44
6 43
6 42
6 42
5 42
6 43
8 47

10 50
16 61
17 62
17 62
17 62
15 60
14 57
12 53
9 49
9 47
8 47
8 46
8 46
7 45
7 45
7 44
6 43
6 42
5 41
5 40
4 40
4 40
5 42
8 47

6 12 3 3 7
8 15 3 4 9
7 13 3 4 8
7 13 3 4 8
6 11 2 3 7
4 8 2 2 5
4 7 2 2 4
4 7 2 2 4
4 7 2 2 4
3 6 2 2 4
3 6 2 2 4
4 7 2 2 4
4 8 2 2 5
5 9 2 3 6
6 11 2 3 7
6 12 3 3 7
6 12 3 3 7
6 12 3 3 7
6 12 3 3 7
6 11 2 3 7
6 12 3 3 7
7 13 3 4 8
8 14 3 4 9
8 14 3 4 9

2.3
2.4
2.4
2.4
2.5
2.5
2.6
2.6
2.6
2.6
2.6
2.6
2.7
2.6
2.7
2.6
2.6
2.6
2.6
2.5
2.5
2.5
2.5
2.4

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

High 1034 hPa centered on the South-East of the Bay of Biscay moving at 13 knots to the East-North-East to be centered on the South-West of France.

For Cassy - Port de Lanton :
No gale warning.

We are 90% sure of the situation, because the high pressure system could move in more quickly than forecast.

Mist and fog in the morning, sunny becoming changeable in the afternoon. No precipitation. In the evening, cloud and long sunny periods.
No precipitation. SSE force 1 turning W force 2 in the middle of the day then NNE. Gusts reaching 9 knots in the evening. Smooth to slight sea. Low, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then poor.

Tides at Arcachon

94

Low tide 01h43 0.48m

High tide 07h50 4.41m

91

Low tide 14h03 0.54m

High tide 20h07 4.16m

www.shom.fr - © SHOM 2026

Consult the tides for February

Go further

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

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

Tue

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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

Sun

01

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

Mon

02

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

Tue

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

Wed

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

Thu

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

Fri

06

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

Sat

07

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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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