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

02

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

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

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

Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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

Wed

16

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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 2 july

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)

30

20

10

0

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

1

0.5

3

0

30

25

20

15

10

80

70

60

50

Thu 3

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

340° N NNW
345° N NNW
335° NW NNW
345° N NNW
335° NW NNW
345° N NNW
340° N NNW
340° N NNW
335° NW NNW
330° NW NNW
325° NW NW
320° NW NW
320° NW NW
325° NW NW
325° NW NW
330° NW NNW
335° NW NNW
340° N NNW
345° N NNW
350° N NNW
350° N NNW
345° N NNW
350° N N
350° N N

9 17 5 11 3
9 17 5 11 3
10 19 5 12 3
10 18 5 11 3
11 21 6 13 4
11 21 6 13 4
13 25 7 16 4
15 27 8 17 4
15 27 8 17 4
15 28 8 17 4
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
16 29 8 18 5
15 27 8 17 4
13 25 7 16 4
11 21 6 13 4
10 18 5 11 3
9 16 4 10 3
8 14 4 9 3
7 13 4 8 3
6 12 3 7 3

17 31 9 19 5
17 31 9 19 5
18 34 9 21 5
18 33 9 21 5
19 35 10 22 5
19 36 10 22 5
22 41 11 25 6
23 43 12 27 6
23 43 12 27 6
25 46 13 29 6
25 46 13 29 6
25 47 13 29 6
26 48 13 30 6
26 49 14 30 6
26 48 13 30 6
26 48 13 30 6
25 46 13 29 6
23 43 12 27 6
22 41 11 25 6
19 35 10 22 5
16 30 8 19 5
13 25 7 16 4
12 23 6 14 4
11 20 6 12 4

0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.6
0.6
0.6

1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.5
1.4
1.3
1.3
1.2
1.2

0.2
0.2
0.1
0.1
0.2
0.2
0.3
0.4
0.4
0.4
0.4
0.5
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.2
0.1
0.1
0.1
0.1

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

0.7
0.7
0.8
0.8
0.8
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
0.7
0.7
0.6
0.6
0.6
0.6

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

120
120
120
120
110
110
110
100
100
100
100
100
100
100
100
100
100
100
100
100
110
110
110
110

1.8
1.8
2.1
2.6
3.2
3.7
4.0
4.0
3.8
3.4
2.8
2.4
2.0
1.9
2.1
2.6
3.1
3.6
4.0
4.1
3.9
3.6
3.1
2.6

16 61
16 61
16 60
16 60
16 60
16 60
16 60
16 60
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 59

80
85
85
100
100
95
95
85
65
60
20
20
25
20
20
20
20
20
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
0
0
0
0

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

1018
1018
1018
1018
1018
1019
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1025
1026
1026
1027
1027
1027

0
0
0
0
0
1
2
3
5
7
8
8
7
5
3
2
1
0
0
0
0
0
0
0

18 64
17 63
17 62
17 62
17 63
18 64
18 65
19 66
20 67
20 68
21 69
21 69
21 69
21 69
21 69
20 68
19 67
19 65
17 63
16 61
15 60
15 58
14 57
13 56

14 57
14 57
13 56
14 56
13 56
14 58
15 59
17 62
19 66
23 73
24 75
25 76
24 76
24 75
23 73
21 69
17 62
15 59
14 56
13 55
12 54
12 53
11 53
11 52

14 26 4 7 16
16 29 5 8 18
18 34 5 9 21
18 33 5 9 21
20 37 5 10 23
19 36 5 10 22
21 39 6 11 24
21 38 5 11 24
21 38 5 11 24
20 37 5 10 23
20 37 5 10 23
21 38 5 11 24
21 38 5 11 24
21 39 6 11 24
22 41 6 11 25
22 40 6 11 25
22 40 6 11 25
21 39 6 11 24
19 36 5 10 22
18 33 5 9 21
17 31 5 9 19
16 29 5 8 18
15 28 4 8 17
15 28 4 8 17

1.3
1.3
1.4
1.4
1.4
1.4
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.4
1.4
1.4
1.4
1.4
1.4
1.3
1.2
1.1
1
1

Forecasts established in local time
Last updated 51min ago | Next update in 3h
Caption

Expert opinion

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

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

The reliability of the situation is assessed at 90%.

Very cloudy in the morning, cloud and sun in the afternoon. No precipitation. In the evening, light cloudy spells.
NNW force 4 becoming NW force 5 in the middle of the day then NNW. Gusts reaching 26 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility.

Tides at Le Guilvinec

53

Low tide 04h35 1.77m

High tide 10h32 4.05m

49

Low tide 16h53 1.94m

High tide 22h49 4.1m

www.shom.fr - © SHOM 2025

Consult the tides for July

Wed

02

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

Thu

03

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

Fri

04

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

Sat

05

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

Sun

06

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

Mon

07

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

Tue

08

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

Wed

09

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

Thu

10

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

Fri

11

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

Sat

12

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

Sun

13

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

Mon

14

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

Tue

15

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

Wed

16

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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