Weather Le Steir - Detailed bulletin - Free 15-day Marine forecasts

Guilvinec FRALongitude : -4°19’,1562 W Latitude : 47°47’,892 N Altitude : 0m

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

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

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

Mon

29

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning moderate gale offshore.

Monday 15 december

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)

40

30

20

10

0

70

60

50

40

30

20

10

0

20

15

10

5

0

40

30

20

10

0

10

5

0

2.5

2

1.5

1

3

0

15

10

5

60

55

50

45

40

Tue 16

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

185° S S
180° S S
190° S S
180° S S
185° S S
210° SW SSW
230° SW SW
235° SW SW
325° NW NW
310° NW NW
350° N NNW
360° N N
355° N N
355° N N
355° N N
355° N N
360° N N
360° N N
360° N N
360° N N
360° N N
360° N N
355° N N
355° N N

19 35 10 22 5
18 33 9 21 5
19 36 10 22 5
19 36 10 22 5
20 37 10 23 5
11 21 6 13 4
7 13 4 8 3
11 20 6 12 4
9 17 5 11 3
4 8 2 5 2
8 14 4 9 3
7 13 4 8 3
8 14 4 9 3
11 20 6 12 4
11 21 6 13 4
10 19 5 12 3
10 18 5 11 3
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
10 19 5 12 3
10 18 5 11 3
11 20 6 12 4
12 22 6 14 4

28 51 14 32 7
29 53 15 33 7
31 57 16 35 7
31 57 16 35 7
32 60 17 37 7
32 60 17 37 7
25 46 13 29 6
28 51 14 32 7
18 33 9 21 5
11 20 6 12 4
15 27 8 17 4
13 24 7 15 4
12 23 6 14 4
16 29 8 18 5
18 34 9 21 5
17 32 9 20 5
16 29 8 18 5
17 32 9 20 5
18 33 9 21 5
18 33 9 21 5
18 33 9 21 5
17 31 9 19 5
17 31 9 19 5
18 33 9 21 5

2.1
2.1
2.2
1.9
1.9
1.9
2
2
2.1
2
1.9
2
2.1
2.1
2.1
1.7
1.7
1.6
1.6
1.6
1.6
1.6
1.6
1.9

3.8
3.9
3.9
3.5
3.4
3.5
3.7
3.6
3.9
3.6
3.4
3.6
3.7
3.8
3.7
3.1
3
3
3
2.9
3
2.9
2.9
3.4

1.3
1.3
1.4
1.1
1
1.2
1.4
1.2
0.4
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2

240° SW WSW
180° S S
240° SW WSW
250° W WSW
200° S SSW
195° S SSW
205° SW SSW
200° S SSW
200° S SSW
200° S SSW
205° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
200° S SSW
200° S SSW
205° SW SSW
205° SW SSW
195° S SSW
225° SW SW
225° SW SW
225° SW SW
225° SW SW

1.4
1.4
1.4
1.3
1.5
1.4
1.4
1.6
2.1
2.0
1.8
1.9
2.1
2.1
2.1
1.7
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.8

10
12
10
14
9
9
9
9
8
8
9
9
9
9
9
9
9
10
10
14
14
14
14
14

180
180
180
100
110
110
100
100
120
120
170
180
300
300
310
330
330
330
330
320
300
300
300
310

4.1
3.9
3.5
3.0
2.5
2.1
2.0
2.2
2.6
3.2
3.7
4.1
4.3
4.1
3.8
3.2
2.7
2.3
2.1
2.1
2.5
3.0
3.5
4.0

13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 55
13 55
13 55
13 55
13 56

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
90
90
75
60

1.7
0.6
0.6
0.9
0.8
0.7
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-

100
85
90
90
85
70
50
60
35
30
25
30
30
0
0
0
20
20
0
0
0
0
0
0

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

1003
1002
1002
1001
1002
1002
1002
1002
1003
1003
1004
1005
1005
1005
1005
1006
1006
1008
1009
1010
1011
1012
1013
1013

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

13 56
13 56
13 55
13 55
13 55
12 54
12 54
12 54
11 53
11 52
11 51
11 51
10 51
10 51
10 50
10 50
10 50
10 50
10 50
10 50
10 50
10 50
11 51
11 52

7 45
8 46
7 44
7 44
6 44
8 47
9 49
8 47
8 47
10 49
8 46
8 46
8 46
7 44
6 43
6 44
7 44
6 43
6 43
6 43
6 44
8 46
9 47
9 48

21 38 5 11 24
22 40 6 11 25
20 37 5 10 23
21 39 6 11 24
14 26 4 7 16
8 14 3 4 9
7 13 3 4 8
12 22 4 6 14
16 30 5 8 19
12 23 4 6 14
12 22 4 6 14
10 18 3 5 11
12 22 4 6 14
16 30 5 8 19
17 31 5 9 19
18 34 5 9 21
19 35 5 10 22
18 34 5 9 21
18 34 5 9 21
19 35 5 10 22
18 34 5 9 21
18 33 5 9 21
17 32 5 9 20
17 32 5 9 20

3.4
3.4
3.4
3.4
3.3
3.5
3.5
3.5
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.3
3.3
3.3
3.3
3.3
3.3
3.3
3.2
3.2

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

Expert opinion

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

For Le Steir :
Warning moderate gale offshore.

We are 90% sure of the situation, because the atmosphere might be less unstable and showers rarer than forecast.

Overcast skies. Rain followed by showers. In the evening, overcast skies.
Showers. S wind force 5 from the middle of the day. Gusts reaching 32 knots in the evening. Moderate sea. Low, fairly long swell from WSW then moderate in the evening. Excellent visibility becoming good in the evening.

Tides at Le Guilvinec

47

High tide 01h14 4.13m

Low tide 07h19 2.15m

49

High tide 13h43 4.15m

Low tide 19h55 2.03m

www.shom.fr - © SHOM 2025

Consult the tides for December

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

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

* +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 Le Steir

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Le Guilvinec