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

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BULLETIN

Reliability 85%

No gale warning.

Wednesday 1 apr

METEO CONSULT Run : 31/03 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)

Total sea (m)

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

15

10

5

20

15

10

5

10

5

0

15

10

5

3.5

3

2.5

2

0.5

0

3

0

15

10

5

55

50

45

                    07h00
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                    25
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                    30
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                    35
                    07h35
                
                    40
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                    45
                    07h45
                
                    50
                    07h50
                
                    55
                    07h55
                
                    08h00
                    08h00
                
                    05
                    08h05
                
                    10
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                    20
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                        Run : 31/03 00Z
                Mesh : 1km
                Updated, 3h ago
                Update in 3h

07h00 07h00
05 07h05
10 07h10
15 07h15
20 07h20
25 07h25
30 07h30
35 07h35
40 07h40
45 07h45
50 07h50
55 07h55
08h00 08h00
05 08h05
10 08h10
15 08h15
20 08h20
25 08h25
30 08h30
35 08h35
40 08h40
45 08h45
50 08h50
55 08h55

155° SE SSE
160° S SSE
165° S SSE
170° S S
175° S S
180° S S
185° S S
190° S SSW
200° S SSW
205° SW SSW
210° SW SSW
215° SW SW
220° SW SW
225° SW SW
230° SW SW
235° SW SW
240° SW WSW
245° SW WSW
250° W WSW
260° W WSW
265° W W
270° W W
275° W W
280° W W

5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2

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 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 19 5 12 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
0.2
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
0.2
0.2
0.2
0.2
0.2
0.2

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 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50

8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 46
8 47
8 47
8 47
8 47
8 47
8 47
8 47
8 47
8 47
8 47
8 47
8 47

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

Expert opinion

A northeasterly, moderate and very variable flow prevails over the South of the basin. Over the North, it is westerly, moderate and very variable.

For Cassy - Port de Lanton :
No gale warning.

We are 85% sure of the situation, because the high pressure system could move in more quickly than forecast.

Changeable skies completely clouding over during the morning, very cloudy in the afternoon. The risk of seeing rain will remain low. In the evening, very cloudy.
Chance of light rain. N force 2 in the morning freshening NW force 4 in the middle of the day. Gusts reaching 24 knots from the middle of the day. Smooth sea becoming smooth to slight in the evening. Low, fairly long swell from WNW. Visibility reduced by mist becoming excellent in the middle of the day then excellent.

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)
06h	0	12	27	10.9	-	0
05h	350	16	35	11.7	-	5
04h	340	21	40	11.8	-	0

observation.semaphores_link

Météo France - RADOME

observation.semaphore_link

Tides at Arcachon

89

High tide 06h03 4.3m

Low tide 12h14 0.42m

92

High tide 18h21 4.2m

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

Consult the tides for April

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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

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