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

Wed

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Mon

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Tue

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Wed

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Fri

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Sun

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Mon

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BULLETIN

Reliability 90%

No gale warning.

No weather risk at the spot

Wednesday 22 apr

METEO CONSULT Run : 22/04 00Z Mesh : 1km Updated, 3h ago Update in 3h

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

5

40

30

20

10

5

0

25

20

15

10

5

10

5

0

0.5

0

3

0

30

25

20

15

85

80

75

70

65

60

                    35
                    10h35
                
                    40
                    10h40
                
                    45
                    10h45
                
                    50
                    10h50
                
                    55
                    10h55
                
                    11h00
                    11h00
                
                    05
                    11h05
                
                    10
                    11h10
                
                    15
                    11h15
                
                    20
                    11h20
                
                    25
                    11h25
                
                    30
                    11h30
                
                    35
                    11h35
                
                    40
                    11h40
                
                    45
                    11h45
                
                    50
                    11h50
                
                    55
                    11h55
                
                    12h00
                    12h00
                
                    05
                    12h05
                
                    10
                    12h10
                
                    15
                    12h15
                
                    20
                    12h20
                
                    25
                    12h25
                
                    30
                    12h30
                
                        Run : 22/04 00Z
                Mesh : 1km
                Updated, 3h ago
                Update in 3h

35 10h35
40 10h40
45 10h45
50 10h50
55 10h55
11h00 11h00
05 11h05
10 11h10
15 11h15
20 11h20
25 11h25
30 11h30
35 11h35
40 11h40
45 11h45
50 11h50
55 11h55
12h00 12h00
05 12h05
10 12h10
15 12h15
20 12h20
25 12h25
30 12h30

135° SE SE
140° SE SE
145° SE SE
145° SE SE
150° SE SSE
150° SE SSE
155° SE SSE
160° S SSE
160° S SSE
165° S SSE
170° S S
170° S S
175° S S
180° S S
180° S S
185° S S
190° S S
190° S S
195° S SSW
200° S SSW
200° S SSW
205° SW SSW
210° SW SSW
210° SW SSW

8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 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

14 26 7 16 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
16 30 8 19 5
16 30 8 19 5
17 31 9 19 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
17 32 9 20 5
17 32 9 20 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

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

0.1
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
18 64
18 64
18 64
18 64
18 65
18 65
19 65
19 65
19 66
19 66
19 66
19 67
19 67
20 67
20 67
20 68
20 68
20 68
20 69
21 69

19 66
19 66
19 66
19 67
19 67
21 70
21 70
21 70
21 70
21 71
22 71
22 71
22 71
22 71
22 72
22 72
22 72
24 74
24 74
24 75
27 80
27 80
27 80
27 81

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

Expert opinion

An easterly, very strong and very variable flow prevails over the North and the East of the basin. Over the South-West, it is southerly, strong and very variable.

For Cassy - Port de Lanton :
No gale warning.

The reliability of the situation is assessed at 90%.

Sunny despite some high cloud in the morning, changeable skies becoming relatively cloud-free in the afternoon. No precipitation. In the evening, relatively clear skies becoming changeable.
S force 3 turning WSW force 4 in the middle of the day then becoming force 3. Gusts reaching 21 knots in the middle of the day. Smooth sea. Low, fairly long swell from NW. Excellent visibility becoming poor in the evening.

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)
10h	80	11	25	17.8	-	0
09h	70	15	34	15.9	-	0
08h	90	16	30	14.4	-	9

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Arcachon

73

Low tide 03h30 0.61m

High tide 09h48 3.83m

65

Low tide 15h48 0.94m

High tide 22h12 3.85m

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

Consult the tides for April

Go further

Wed

22

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

Thu

23

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Sat

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Sun

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Mon

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Tue

28

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Wed

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Thu

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Fri

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Sun

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Mon

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Tue

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Wed

06

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* +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