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

Wed

21

-

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

Thu

22

-

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

Fri

23

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

Sat

24

-

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

Sun

25

-

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

Mon

26

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

Tue

27

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

Wed

28

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

Thu

29

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

Fri

30

-

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

Sat

31

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

Sun

01

-

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

Mon

02

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

Tue

03

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

Wed

04

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Wednesday 21 may

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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

20

10

0

10

5

0

1

0.5

3

0

20

15

10

5

70

60

50

40

Thu 22

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

340° N NNW
345° N NNW
335° NW NNW
355° N N
345° N NNW
345° N NNW
340° N NNW
340° N NNW
335° NW NNW
335° NW NNW
335° NW NNW
330° NW NNW
325° NW NNW
325° NW NNW
330° NW NNW
330° NW NNW
335° NW NNW
335° NW NNW
335° NW NNW
340° N NNW
340° N NNW
340° N NNW
335° NW NNW
320° NW NW

9 17 5 11 3
10 18 5 11 3
8 14 4 9 3
10 19 5 12 3
12 22 6 14 4
13 25 7 16 4
14 26 7 16 4
13 24 7 15 4
13 24 7 15 4
11 20 6 12 4
10 18 5 11 3
8 15 4 9 3
9 17 5 11 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
8 14 4 9 3
8 14 4 9 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3

16 29 8 18 5
17 31 9 19 5
15 28 8 17 4
19 35 10 22 5
21 38 11 24 5
23 43 12 27 6
23 42 12 26 6
22 40 11 25 6
22 40 11 25 6
21 39 11 24 6
19 36 10 22 5
17 32 9 20 5
16 30 8 19 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
15 27 8 17 4
13 24 7 15 4
11 20 6 12 4
13 24 7 15 4
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
15 27 8 17 4

0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6

1.2
1.2
1.2
1.1
1.1
1.2
1.3
1.3
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.3
1.3
1.2
1.2
1.2

0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.4
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1

245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.7
0.7
0.7
0.7
0.6
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6

8
8
8
8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

120
120
110
110
110
100
100
90
90
90
80
80
90
90
90
90
90
90
90
90
90
90
90
90

3.8
3.8
3.5
3.1
2.6
2.2
2.0
2.0
2.2
2.7
3.2
3.7
4.0
4.1
3.9
3.5
2.9
2.3
1.9
1.7
1.8
2.1
2.7
3.2

16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
15 60
15 59
15 59
15 59
15 58
15 58
15 58
15 58
14 58
14 58
14 58
15 58
15 58

100
100
95
85
85
80
40
40
30
20
5
10
5
5
5
0
10
5
0
0
10
15
20
20

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

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

1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1022

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

15 59
16 60
17 62
17 63
17 63
17 62
17 62
16 61
16 60
15 59
14 57
13 56
13 55
13 55
13 55
12 54
12 54
11 51
10 50
11 52
13 56
15 58
16 61
17 63

12 53
12 54
16 62
16 60
16 60
15 60
16 61
15 58
13 56
12 53
10 51
10 50
10 49
9 49
9 49
9 48
9 49
8 47
7 45
8 47
11 52
14 57
17 62
19 67

12 23 4 6 14
13 24 4 7 15
11 20 4 6 12
14 26 4 7 16
17 32 5 9 20
21 38 5 11 24
21 39 6 11 24
21 38 5 11 24
20 37 5 10 23
19 36 5 10 22
19 35 5 10 22
18 33 5 9 21
17 32 5 9 20
18 34 5 9 21
18 33 5 9 21
18 33 5 9 21
17 32 5 9 20
17 31 5 9 19
16 30 5 8 19
15 28 4 8 17
13 25 4 7 16
12 22 4 6 14
11 20 4 6 12
10 19 3 5 12

0.9
0.9
0.9
0.9
1
1.1
1.2
1.2
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.1
1.1
1.1
1
1
1

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

Expert opinion

High 1025 hPa centered at 250 nautical miles in the West-North-West of Cape Finisterre (Spain) remaining almost stationary.

For Plage de la Grève Blanche :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Overcast in the morning, very cloudy in the afternoon. Some light rain in the morning, no precipitation in the afternoon. In the evening, changeable skies becoming less cloudy.
No precipitation. NNW force 3 in the morning becoming force 4 in the middle of the day. Gusts reaching 23 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Good visibility becoming good in the middle of the day then excellent.

Tides at Le Guilvinec

46

Low tide 05h54 1.82m

High tide 12h22 3.82m

Low tide 18h30 1.96m

www.shom.fr - © SHOM 2025

Consult the tides for May

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

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

Tue

03

-

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

Wed

04

-

- 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