Weather Lannion - Detailed bulletin - Free 15-day Marine forecasts

Lannion FRALongitude : -3°28’,2 W Latitude : 48°45 N Altitude : 85m

Wed

03

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

Thu

04

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

Fri

05

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

Sat

06

-

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning moderate gale offshore.

Wednesday 3 september

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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)

40

30

20

10

0

70

60

50

40

30

20

10

20

15

10

5

40

30

20

10

5

0

1.5

1

0.5

3

0

20

15

10

5

70

65

60

55

50

45

Thu 4

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

255° W WSW
255° W WSW
260° W W
250° W WSW
240° SW WSW
225° SW SW
220° SW SW
210° SW SSW
200° S SSW
195° S SSW
195° S SSW
205° SW SSW
210° SW SSW
215° SW SW
220° SW SW
225° SW SW
235° SW SW
250° W WSW
260° W W
265° W W
270° W W
270° W W
270° W W
270° W W

19 36 10 22 5
17 32 9 20 5
17 31 9 19 5
14 26 7 16 4
12 22 6 14 4
10 19 5 12 3
10 18 5 11 3
9 17 5 11 3
10 19 5 12 3
11 20 6 12 4
12 22 6 14 4
11 21 6 13 4
11 21 6 13 4
12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
13 25 7 16 4
14 26 7 16 4
16 29 8 18 5
16 29 8 18 5
14 26 7 16 4
16 29 8 18 5
15 28 8 17 4
15 28 8 17 4

29 54 15 34 7
29 54 15 34 7
32 60 17 37 7
29 54 15 34 7
25 46 13 29 6
23 42 12 26 6
21 38 11 24 5
19 36 10 22 5
20 37 10 23 5
21 38 11 24 5
24 44 12 27 6
25 47 13 29 6
28 51 14 32 7
23 42 12 26 6
24 45 13 28 6
25 46 13 29 6
25 47 13 29 6
26 49 14 30 6
29 54 15 34 7
28 52 14 32 7
27 50 14 31 7
27 50 14 31 7
28 51 14 32 7
27 50 14 31 7

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>35 >65 >19 >40 >8
>35 >65 >18 >40 >8
>40 >75 >21 >45 >9
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

1.3
1.3
1.3
1.3
1.3
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1
1
1.1
1.1
1.1
1.2
1.2
1.2
1.2
1.2
1.2

2.4
2.4
2.4
2.4
2.3
2.2
2.2
2.1
2.1
2
2
2
2
2
1.9
2
2
2.1
2.2
2.3
2.3
2.2
2.2
2.2

1.1
1.1
1.1
0.6
0.2
0.1
0
0
0
0
0.1
0.1
0.2
0.4
0.4
0.3
0.6
0.7
0.8
0.8
0.8
0.8
0.8
0.8

195° S SSW
195° S SSW
195° S SSW
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
295° NW WNW
295° NW WNW
290° W WNW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW

0.6
0.6
0.6
1.1
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.0
0.9
0.8
1.0
0.7
0.7
0.7
0.8
0.8
0.7
0.7
0.7

11
10
10
9
9
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
10
11
11
10

110
120
130
130
140
150
150
160
160
160
160
160
160
150
150
150
150
150
140
140
150
150
150
150

6.8
6.3
5.7
5.0
4.3
4.0
4.0
4.3
5.0
5.8
6.5
7.0
7.1
6.8
6.1
5.3
4.6
4.0
3.8
4.0
4.7
5.6
6.5
7.3

16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 61

0
0
80
85
75
55
70
30
30
40
75
100
80
60
75
75
80
70
80
70
55
70
60
55

0
0
0
0
0
0
0
0
0
0
0
0.6
0.7
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-

30
20
0
0
0
0
0
0
0
0
25
50
60
45
20
0
0
0
0
25
30
30
30
30

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

1004
1004
1005
1006
1006
1007
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1006
1007
1008
1009
1010
1011
1011
1012

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

18 65
18 64
18 64
17 62
16 61
15 60
15 59
14 58
14 58
14 58
15 59
15 59
15 58
14 57
14 57
14 56
14 58
16 60
16 61
17 62
17 62
18 64
17 63
18 64

16 61
14 58
14 57
13 55
12 54
12 53
11 52
11 52
11 51
11 51
11 51
11 52
11 51
10 50
10 49
9 49
11 51
13 55
13 56
15 59
15 58
16 61
15 58
17 62

22 40 6 11 25
22 40 6 11 25
23 43 6 12 27
22 41 6 11 25
21 39 6 11 24
20 37 5 10 23
18 34 5 9 21
18 34 5 9 21
19 35 5 10 22
21 38 5 11 24
20 37 5 10 23
21 39 6 11 24
22 40 6 11 25
24 44 6 12 27
25 47 6 13 29
25 46 6 13 29
23 43 6 12 27
23 42 6 12 26
21 39 6 11 24
18 34 5 9 21
18 33 5 9 21
18 33 5 9 21
18 33 5 9 21
18 33 5 9 21

3.1
3.1
3
3
3
2.9
2.8
2.8
2.7
2.7
2.7
2.7
2.7
2.8
3
3
3
3.1
3.1
3
2.9
2.8
2.8
2.7

Forecasts established in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

Low 991 hPa centered to the South-West of Ireland moving at 22 knots to the East-North-East and dropping to 987 hPa to be centered on the North of the Irish Sea.

For Lannion :
Warning moderate gale offshore.

We are 85% sure of the situation, because there remains a doubt about the change in the storm system.

Changeable skies with risk of storms. Possibility of showers In the evening, good clear periods but cloud building.
No precipitation. W wind force 5 from the middle of the day. Gusts reaching 32 knots. Slight sea. Low, fairly long swell from SSW. Poor visibility becoming good in the evening.

Tides at Perros-Guirec

28

High tide 03h18 6.54m

Low tide 09h47 4.42m

34

High tide 16h05 6.96m

Low tide 22h34 3.92m

www.shom.fr - © SHOM 2025

Consult the tides for September

Wed

03

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

Thu

04

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

Mon

15

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

Tue

16

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

Wed

17

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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 board sports area Lannion

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Perros-Guirec