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

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

Tue

12

-

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

Wed

13

-

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

Thu

14

-

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

Fri

15

-

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

Sat

16

-

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

Sun

17

-

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

Mon

18

-

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

Tue

19

-

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

Wed

20

-

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

Thu

21

-

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

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

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

BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Tuesday 12 may

METEO CONSULT Run : 12/05 00Z Mesh : 1km Updated, 4h ago Update in 2h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

legend.title.wave_height

Total sea (m)

legend.title.swell

Swell height (m)

Weather

Rain (mm) (mm)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

20

15

10

40

35

30

25

20

15

10

5

25

20

15

10

5

0

0.5

0

3

0

20

15

10

70

65

60

55

                    05
                    17h05
                
                    10
                    17h10
                
                    15
                    17h15
                
                    20
                    17h20
                
                    25
                    17h25
                
                    30
                    17h30
                
                    35
                    17h35
                
                    40
                    17h40
                
                    45
                    17h45
                
                    50
                    17h50
                
                    55
                    17h55
                
                    18h00
                    18h00
                
                    05
                    18h05
                
                    10
                    18h10
                
                    15
                    18h15
                
                    20
                    18h20
                
                    25
                    18h25
                
                    30
                    18h30
                
                    35
                    18h35
                
                    40
                    18h40
                
                    45
                    18h45
                
                    50
                    18h50
                
                    55
                    18h55
                
                    19h00
                    19h00
                
                        Run : 12/05 00Z
                Mesh : 1km
                Updated, 4h ago
                Update in 2h

05 17h05
10 17h10
15 17h15
20 17h20
25 17h25
30 17h30
35 17h35
40 17h40
45 17h45
50 17h50
55 17h55
18h00 18h00
05 18h05
10 18h10
15 18h15
20 18h20
25 18h25
30 18h30
35 18h35
40 18h40
45 18h45
50 18h50
55 18h55
19h00 19h00

325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
325° NW NW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW
330° NW NNW

10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3
10 18 5 11 3

18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
19 35 10 22 5

0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
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
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<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
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

17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 63
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
16 60

19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
14 58

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Caption Glossary

Expert opinion

A northeasterly and variable flow prevails over the South-West of the basin. Over the North and the East, it is northwesterly, moderate and very variable.

For Cassy - Port de Lanton :
No gale warning.

The reliability of the situation is assessed at 90%.

Light cloudy spells. In the evening, good clear periods but cloud building.
No precipitation. NW wind force 3 from the middle of the day. Gusts reaching 19 knots in the evening. Smooth sea. Low, short swell from NW. Excellent visibility.

semaphore stations

Station Cap-Ferret located 17 km from Cassy - Port de Lanton

	WIND			WEATHER
Local time	Dir. (°)	Speed (nd)	Gust (nd)	Temp. (°C)	Pressure (hPa)	Visibility (M)
16h	340	23	38	19.9	-	0
15h	330	23	39	20.1	-	0
14h	330	21	31	20	-	11

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Arcachon

45

High tide 02h09 3.5m

Low tide 08h14 1.17m

51

High tide 14h48 3.48m

Low tide 20h42 1.19m

www.shom.fr - © SHOM 2026 - Local times

Consult the tides for May

Go further

Tue

12

-

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

Wed

13

-

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

Thu

14

-

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

Fri

15

-

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

Sat

16

-

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

Sun

17

-

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

Mon

18

-

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

Tue

19

-

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

Wed

20

-

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

Thu

21

-

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

Fri

22

-

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

Sat

23

-

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

Sun

24

-

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

Mon

25

-

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

Tue

26

-

- 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

Expert opinion

semaphore stations

Tides at Arcachon

Go further