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

Thu

20

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

Fri

21

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

Sat

22

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

Sun

23

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

Mon

24

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

Tue

25

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

Wed

26

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

Thu

27

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

Fri

28

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

Sat

01

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

Sun

02

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

Mon

03

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

Tue

04

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

Wed

05

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

Thu

06

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BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning moderate gale offshore.

Thursday 20 february

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)

35

30

25

20

15

70

60

50

40

30

20

15

10

5

40

30

20

10

5

0

5

0

3

0

15

10

5

60

55

50

45

40

Fri 21

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

190° S S
195° S SSW
205° SW SSW
205° SW SSW
205° SW SSW
200° S SSW
205° SW SSW
205° SW SSW
210° SW SSW
210° SW SSW
215° SW SSW
210° SW SSW
205° SW SSW
205° SW SSW
210° SW SSW
205° SW SSW
205° SW SSW
195° S SSW
195° S SSW
190° S S
190° S S
185° S S
185° S S
175° S S

18 34 9 21 5
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
20 37 10 23 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
20 37 10 23 5
20 37 10 23 5
20 37 10 23 5
19 36 10 22 5
19 35 10 22 5
18 33 9 21 5
16 30 8 19 5
15 28 8 17 4
16 29 8 18 5
15 28 8 17 4
16 29 8 18 5
17 31 9 19 5
17 31 9 19 5
18 33 9 21 5
18 33 9 21 5
16 30 8 19 5

26 48 13 30 6
28 52 14 32 7
31 57 16 35 7
31 58 16 36 7
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
32 60 17 37 7
33 61 17 38 7
33 61 17 38 7
33 61 17 38 7
33 61 17 38 7
31 58 16 36 7
30 56 16 35 7
29 53 15 33 7
26 49 14 30 6
27 50 14 31 7
26 49 14 30 6
25 47 13 29 6
27 50 14 31 7
28 51 14 32 7
29 54 15 34 7
30 55 15 34 7
29 53 15 33 7

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

3.7
3.8
3.9
4
4.1
4.2
4.2
4.2
4.2
4.3
4.3
4.3
4.3
4.3
4.4
4.4
4.4
4.3
4.3
4.3
4.3
4.3
4.3
4.4

1.2
1.3
1.4
1.6
1.7
1.7
1.7
1.7
1.7
1.7
1.8
1.6
1.6
1.5
1.3
1.1
0.9
1.1
1.1
1.2
1
1.1
1
1

160° S SSE
160° S SSE
160° S SSE
185° S S
180° S S
180° S S
160° S SSE
165° S SSE
165° S SSE
160° S SSE
160° S SSE
160° S SSE
160° S SSE
180° S S
180° S S
230° SW SW
230° SW SW
200° S SSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW

1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.4
1.4
1.4
1.4
1.5
1.5
1.7
1.8
2.1
2.2
1.9
2.0
1.9
2.1
2.0
2.1
2.2

12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12

210
180
170
160
160
160
160
170
170
170
170
170
170
180
190
190
200
200
210
220
220
230
230
240

2.0
2.1
2.5
3.0
3.5
3.9
4.0
3.8
3.5
3.1
2.7
2.4
2.2
2.2
2.4
2.8
3.3
3.6
3.8
3.8
3.6
3.3
2.9
2.6

10 49
10 49
9 49
9 49
9 49
9 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49
10 49

55
5
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0
0
0
0
0
0.4
0.6
0.6
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0
0

-

30
30
35
30
40
50
65
60
40
35
30
45
45
40
25
30
45
60
60
65
65
50
30
0

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

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015

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

12 53
12 53
12 54
12 54
13 55
12 54
12 54
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
12 54
12 54
12 54
13 55
13 55
13 55
12 54

6 42
6 43
6 43
6 43
6 43
6 43
6 43
6 43
7 44
7 45
8 46
8 46
8 46
8 47
8 46
8 46
7 45
7 45
7 45
7 44
7 44
7 44
7 44
7 45

23 43 6 12 27
24 44 6 12 27
25 46 6 13 29
25 46 6 13 29
25 46 6 13 29
25 46 6 13 29
25 46 6 13 29
25 47 6 13 29
25 47 6 13 29
25 46 6 13 29
25 47 6 13 29
25 46 6 13 29
24 45 6 13 28
23 42 6 12 26
22 40 6 11 25
19 36 5 10 22
20 37 5 10 23
19 36 5 10 22
21 39 6 11 24
22 40 6 11 25
23 43 6 12 27
24 44 6 12 27
25 46 6 13 29
23 43 6 12 27

3.3
3.4
3.5
3.6
3.7
3.7
3.8
3.8
3.8
3.9
3.9
3.9
3.8
3.8
3.8
3.8
3.8
3.8
3.9
3.9
4
4
4
4.1

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

Expert opinion

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

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

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will end.

Overcast skies, risk of storms during the afternoon. Some light showers in the morning, possibility of showers in the afternoon. In the evening, overcast skies.
Light showers. SSW wind force 5 continuing all day. Gusts reaching 33 knots until the middle of the day. Moderate sea. Low, fairly long swell from SSE then moderate in the middle of the day then from SW. Excellent visibility.

Tides at Le Guilvinec

44

Low tide 03h02 2.01m

High tide 08h51 3.96m

38

Low tide 15h31 2.18m

High tide 21h23 3.84m

www.shom.fr - © SHOM 2025

Consult the tides for February

Thu

20

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

Fri

21

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

Sat

22

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

Sun

23

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

Mon

24

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

Tue

25

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

Wed

26

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

Thu

27

-

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

Fri

28

-

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

Sat

01

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

Sun

02

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

Mon

03

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

Tue

04

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

Wed

05

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

Thu

06

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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