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

Roscoff (29680)Longitude : -3°58’,431 W Latitude : 48°42’,498 N Altitude : 0m

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

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

Sat

31

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

Sun

01

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- 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

Thu

05

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

Fri

06

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

Sat

07

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

Sun

08

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

Mon

09

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

Tue

10

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

Wed

11

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BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Wednesday 28 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)

30

20

10

0

60

50

40

30

20

10

15

10

5

0

40

30

20

10

0

10

5

0

1.5

1

0.5

3

0

20

15

10

5

70

65

60

55

50

45

Thu 29

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

255° W WSW
255° W WSW
255° W WSW
260° W WSW
260° W W
265° W W
265° W W
265° W W
270° W W
275° W W
275° W W
275° W W
280° W W
280° W W
275° W W
275° W W
270° W W
260° W W
230° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW

16 29 8 18 5
16 30 8 19 5
16 29 8 18 5
17 31 9 19 5
15 28 8 17 4
14 26 7 16 4
15 27 8 17 4
15 27 8 17 4
15 27 8 17 4
14 26 7 16 4
13 24 7 15 4
13 24 7 15 4
12 22 6 14 4
11 20 6 12 4
10 19 5 12 3
11 20 6 12 4
9 16 4 10 3
7 13 4 8 3
6 12 3 7 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
9 17 5 11 3

25 46 13 29 6
25 47 13 29 6
27 50 14 31 7
26 48 13 30 6
26 49 14 30 6
26 48 13 30 6
25 46 13 29 6
24 45 13 28 6
23 43 12 27 6
24 44 12 27 6
22 40 11 25 6
22 40 11 25 6
21 39 11 24 6
19 36 10 22 5
18 33 9 21 5
17 32 9 20 5
16 30 8 19 5
13 25 7 16 4
12 23 6 14 4
13 25 7 16 4
13 25 7 16 4
14 26 7 16 4
14 26 7 16 4
16 29 8 18 5

1
1
1
1
1
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6

1.9
1.9
1.9
1.8
1.8
1.7
1.6
1.6
1.6
1.5
1.5
1.5
1.4
1.4
1.4
1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.2
1.2

0.4
0.4
0.4
0.3
0.3
0.2
0.3
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0
0
0.1
0.1
0.1
0.1
0.1
0.1

185° S S
185° S S
185° S S
190° S S
185° S S
185° S S
180° S S
180° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
185° S S
180° S S
195° S SSW
195° S SSW
185° S S
185° S S
215° SW SSW
190° S S

1.0
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6

10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
5
6
8
8
8
8
9
9

150
150
150
160
160
170
170
170
170
170
160
160
150
150
150
150
150
160
160
160
150
150
150
150

5.6
7.4
8.6
8.8
8.1
6.6
4.8
3.1
1.8
1.4
1.8
3.2
5.1
7.1
8.5
8.9
8.5
7.2
5.5
3.7
2.2
1.3
1.3
2.3

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 57
14 57

100
100
100
100
100
100
85
100
95
65
70
60
60
55
45
75
50
80
95
95
100
100
100
100

0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

55
50
30
25
25
20
20
20
20
20
20
0
0
0
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
10
15
15
10
10
15

1019
1019
1019
1020
1021
1021
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023

0
0
0
0
0
1
2
2
3
5
5
4
3
2
1
0
0
0
0
0
0
0
0
0

15 60
15 60
15 60
16 60
16 60
16 60
16 61
17 62
17 63
17 63
18 64
18 64
18 64
17 63
17 63
17 62
17 62
16 61
16 61
16 60
16 60
16 60
16 60
16 60

10 51
10 50
10 50
11 51
11 51
12 54
12 53
13 56
15 59
16 61
19 66
18 65
18 64
17 63
16 61
15 58
14 57
13 56
14 56
13 55
13 55
13 55
13 55
12 54

19 35 5 10 22
19 35 5 10 22
20 37 5 10 23
19 36 5 10 22
19 35 5 10 22
17 31 5 9 19
16 29 5 8 18
15 28 4 8 17
14 26 4 7 16
12 23 4 6 14
12 23 4 6 14
12 22 4 6 14
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
10 19 3 5 12
10 18 3 5 11
11 20 4 6 12
11 21 4 6 13
11 21 4 6 13
11 21 4 6 13
12 22 4 6 14
13 24 4 7 15
13 25 4 7 16

2.9
2.8
2.7
2.6
2.5
2.4
2.4
2.3
2.3
2.2
2.2
2.1
2.1
2
1.9
1.9
1.8
1.8
1.7
1.7
1.7
1.7
1.7
1.7

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

Expert opinion

High 1027 hPa centered on the South-West of the Bay of Biscay moving at 9 knots to the North-East to be centered on the North of the Bay of Biscay.

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

We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.

Very cloudy. But clear spells will become more and more widespread. Light rain stopping in early morning, possibility of a few spots in the afternoon. In the evening, good clear periods but cloud building.
No precipitation. W force 5 in the morning becoming force 4 in the middle of the day. Gusts reaching 27 knots in the morning. Slight sea. Low, fairly long swell from S. Excellent visibility becoming excellent in the middle of the day then good.

Tides at Roscoff

96

Low tide 01h41 1.16m

High tide 07h41 8.83m

95

Low tide 14h03 1.35m

High tide 19h58 8.95m

www.shom.fr - © SHOM 2025

Consult the tides for May

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

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

Sun

01

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- 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

Thu

05

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

Fri

06

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

Sat

07

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

Sun

08

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

Mon

09

-

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

Tue

10

-

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

Wed

11

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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 Grande Grève

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Roscoff