Weather Plage de la Grève Blanche - Detailed bulletin - Free 15-day Marine forecasts

Guilvinec (29730)Longitude : -4°17’,6028 W Latitude : 47°47’,718 N Altitude : 0m

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

-

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

Sun

14

-

- 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

Thu

18

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

Fri

19

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

Sat

20

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

Sun

21

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

Mon

22

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

Tue

23

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BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning fresh gale offshore.

Tuesday 9 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)

50

40

30

20

10

90

80

70

60

50

40

30

20

25

20

15

10

5

60

50

40

30

20

10

5

0

5

0

9

6

3

0

20

15

10

5

60

55

50

45

40

Wed 10

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

175° S S
180° S S
180° S S
175° S S
175° S S
180° S S
175° S S
180° S S
185° S S
190° S SSW
195° S SSW
210° SW SSW
220° SW SW
235° SW SW
245° SW WSW
245° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
230° SW SW
230° SW SW
230° SW SW
235° SW SW
235° SW SW

30 55 15 34 7
25 47 13 29 6
24 45 13 28 6
24 45 13 28 6
23 43 12 27 6
24 45 13 28 6
24 45 13 28 6
25 46 13 29 6
26 48 13 30 6
29 54 15 34 7
28 52 14 32 7
26 48 13 30 6
24 45 13 28 6
19 35 10 22 5
17 32 9 20 5
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4
15 28 8 17 4
15 27 8 17 4
15 27 8 17 4

40 75 21 47 9
40 74 21 46 8
40 75 21 47 9
38 70 19 43 8
37 69 19 43 8
38 70 19 43 8
38 71 20 44 8
39 72 20 45 8
43 80 22 50 9
46 85 24 53 9
45 83 23 52 9
43 80 22 50 9
39 72 20 45 8
36 66 18 41 8
29 54 15 34 7
25 46 13 29 6
22 41 11 25 6
22 41 11 25 6
22 41 11 25 6
23 42 12 26 6
22 41 11 25 6
23 43 12 27 6
22 41 11 25 6
22 41 11 25 6

3.3
3.4
3.4
3.4
3.3
3.3
3.2
3.2
3.2
3.4
3.6
3.6
3.6
3.5
3.5
3.4
3.3
3.2
3.1
3
2.9
2.8
2.8
2.7

6
6.1
6.1
6.1
6
5.9
5.9
5.8
5.9
6.2
6.5
6.6
6.5
6.4
6.3
6.2
6
5.9
5.7
5.5
5.3
5.1
5
5

2.2
2.1
2.2
1.9
1.9
1.8
1.8
1.9
2.3
2.8
2.9
2.8
1.6
1.1
1.1
0.7
0.6
0.7
0.8
0.8
0.9
0.9
0.7
0.6

210° SW SSW
240° SW WSW
205° SW SSW
240° SW WSW
240° SW WSW
240° SW WSW
215° SW SW
215° SW SW
160° S SSE
160° S SSE
160° S SSE
155° SE SSE
175° S S
195° S SSW
200° S SSW
200° S SSW
230° SW SW
230° SW SW
230° SW SW
230° SW SW
225° SW SW
210° SW SSW
230° SW SW
230° SW SW

2.3
2.6
2.4
2.7
2.7
2.7
2.5
2.4
2.1
1.8
1.9
2.1
3.0
3.1
3.1
3.3
3.3
3.2
3.0
2.9
2.6
2.5
2.7
2.7

14
14
14
14
14
14
14
14
13
14
14
13
13
13
13
13
13
13
13
13
12
12
12
12

310
290
290
290
290
280
290
280
270
260
250
260
270
270
280
280
280
280
280
270
260
250
250
240

1.9
2.7
3.6
4.4
4.9
5.0
4.6
3.9
3.0
2.2
1.5
1.3
1.5
2.0
2.8
3.6
4.2
4.5
4.4
3.9
3.2
2.5
1.9
1.6

14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 57
14 56
14 56

100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
85
85
50
55
50
55
80
45
30

0
0.4
0
0
0
0
0
1.5
2.1
0.8
0.9
0.7
0.4
0
0
0
0
0
0
0
0
0
0
0

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

40
60
30
0
0
0
30
65
85
90
90
80
55
20
0
0
0
0
0
0
0
0
0
0

>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1007
1007
1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1005
1006
1007
1008
1009
1009
1010
1011
1011
1012
1012
1013

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

15 59
15 58
15 59
15 59
15 59
15 59
15 59
15 59
14 58
14 58
15 58
15 58
15 58
15 58
14 57
14 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56

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

30 56 7 16 35
31 58 7 16 36
31 58 7 16 36
31 57 7 16 35
30 55 7 15 34
31 57 7 16 35
31 58 7 16 36
33 62 8 17 39
35 65 8 18 40
35 64 8 18 40
33 62 8 17 39
30 55 7 15 34
25 47 6 13 29
23 42 6 12 26
20 37 5 10 23
19 36 5 10 22
18 34 5 9 21
18 33 5 9 21
19 35 5 10 22
19 35 5 10 22
19 36 5 10 22
19 36 5 10 22
19 35 5 10 22
19 35 5 10 22

5.3
5.4
5.4
5.4
5.3
5.3
5.2
5.3
5.4
5.6
5.8
5.8
5.7
5.5
5.3
5.1
5
4.8
4.7
4.6
4.5
4.4
4.2
4.1

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

Expert opinion

A southwesterly gale prevails over the whole area.

For Plage de la Grève Blanche :
Warning fresh gale offshore.

The reliability of the situation is assessed at 85%.

Overcast skies. The showers which start in late morning will progressively become less frequent. In the evening, clear periods developing.
No precipitation. S force 6 turning SW force 7 in the middle of the day then becoming force 4. Gusts reaching 46 knots in the middle of the day. Rough sea temporarily rough to very rough in the middle of the day. Moderate, long swell from WSW. Excellent visibility.

Tides at Le Guilvinec

78

Low tide 01h24 1.39m

High tide 07h37 4.99m

72

Low tide 14h06 1.29m

High tide 20h09 4.52m

www.shom.fr - © SHOM 2025

Consult the tides for December

Tue

09

-

- 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

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

Sat

13

-

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

Sun

14

-

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

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

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- 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

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

Tue

23

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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 beach Plage de la Grève Blanche

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Le Guilvinec