Weather Lancieux - Port de l'Islet - Detailed bulletin - Free 15-day Marine forecasts

Lancieux FRALongitude : -2°9 W Latitude : 48°37’,2 N Altitude : 0m

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 18 september

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell height (m) (m)

Total sea (m)

Total wave height (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Cloud cover(%)

Amount of precipitation(mm)

Type of precipitation

Precipitation risk(%)

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

30

20

10

0

10

5

0

20

15

10

5

0

10

5

0

0.5

0

3

0

30

25

20

15

10

5

90

80

70

60

50

Fri 19

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

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

9 16 4 10 3
9 16 4 10 3
9 16 4 10 3
9 17 5 11 3
8 15 4 9 3
8 15 4 9 3
8 14 4 9 3
5 10 3 6 2
4 7 2 4 2
3 5 1 3 1
3 5 1 3 1
3 6 2 4 2
3 6 2 4 2
3 6 2 4 2
3 6 2 4 2
4 7 2 4 2
4 8 2 5 2
4 7 2 4 2
5 9 3 6 2
5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
6 11 3 7 2
6 12 3 7 3

14 26 7 16 4
15 27 8 17 4
15 28 8 17 4
16 29 8 18 5
15 28 8 17 4
15 27 8 17 4
14 26 7 16 4
13 24 7 15 4
10 19 5 12 3
9 17 5 11 3
8 15 4 9 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 -
5 10 3 6 -
6 11 3 7 -
6 12 3 7 3
6 12 3 7 3
8 15 4 9 3
9 17 5 11 3
10 18 5 11 3
10 19 5 12 3
11 21 6 13 4
12 22 6 14 4

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
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
0.2
0.2

1
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.5
0.5

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

315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
310° NW NW
315° NW NW
315° NW NW
315° NW NW
320° NW NW
320° NW NW
320° NW NW
320° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW
310° NW NW

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
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
0.2
0.2
0.2

10
10
10
10
10
9
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9

150
160
170
160
140
150
160
160
170
170
170
160
160
160
150
150
150
150
130
130
130
130
120
120

4.2
3.7
4.0
5.1
6.7
8.4
9.6
10.1
9.7
8.7
7.2
5.5
4.1
3.2
2.9
3.7
5.3
7.3
9.1
10.2
10.2
9.5
8.0
6.3

18 65
18 65
19 65
19 65
19 65
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65
19 65

0
0
80
65
40
35
55
15
35
20
20
25
25
30
30
30
30
30
15
10
5
5
5
5

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

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

1023
1023
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018

1
2
2
3
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

19 66
20 67
21 69
22 71
23 73
23 74
24 75
24 74
23 73
21 70
20 67
19 65
17 63
17 62
16 60
15 59
15 58
15 58
15 58
14 57
13 55
14 56
16 60
18 64

21 70
23 73
25 76
26 78
26 79
27 80
27 80
27 80
25 78
23 74
19 65
17 63
16 61
15 60
14 58
14 56
13 55
13 56
13 55
12 53
10 51
11 52
14 57
17 63

11 20 4 6 12
10 18 3 5 11
8 15 3 4 9
7 13 3 4 8
8 14 3 4 9
8 15 3 4 9
8 15 3 4 9
6 11 2 3 7
4 8 2 2 5
3 5 1 1 3
1 2 1 1 1
1 2 1 1 1
2 3 1 1 2
2 3 1 1 2
3 5 1 1 3
5 9 2 3 6
6 12 3 3 7
6 11 2 3 7
6 11 2 3 7
6 11 2 3 7
7 13 3 4 8
7 13 3 4 8
6 12 3 3 7
4 8 2 2 5

0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4

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

A southwesterly, strong and variable flow prevails over the whole area.

For Lancieux - Port de l"Islet :
No gale warning.

We are 90% sure of the situation, because the clear patches could move in later than forecast.

Good clear periods alternating with cloudy spells, sometimes more dense in the afternoon. No precipitation. In the evening, light cloudy spells.
S force 3 in the morning becoming force 2 in the evening. Gusts reaching 16 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from NW. Excellent visibility becoming excellent in the middle of the day then good.

Tides at Saint-Cast

54

High tide 05h37 9.48m

Low tide 12h13 3.7m

61

High tide 18h00 10.1m

www.shom.fr - © SHOM 2025

Consult the tides for September

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

-

- 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 Lancieux - Port de l'Islet

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast