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

Roscoff (29680)Lon : -3°58’,431 W Lat : 48°42’,498 N Alt : 0m

Thu

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Fri

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Sun

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Mon

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Tue

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Fri

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Sun

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Mon

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BULLETIN

(* established in local time)

Reliability 80%

Wind alert - Warning fresh gale offshore.

Thursday 22 jan

METEO CONSULT Run : 21/01 16Z Mesh : 1km Updated, 10h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

40

30

20

10

0

70

60

50

40

30

20

10

20

15

10

5

0

50

40

30

20

10

0

10

5

0

2.5

2

1.5

1

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Fri 23
                                                            
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                        Run : 21/01 16Z
                Mesh : 1km
                Updated, 10h ago
                Update imminent

Fri 23

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

195° S SSW
225° SW SW
240° SW WSW
250° W WSW
260° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
255° W WSW
250° W WSW
235° SW WSW
220° SW SW
195° S SSW
175° S S
155° SE SSE
140° SE SE
135° SE SE
135° SE SE
135° SE SE
140° SE SE
140° SE SE

8 14 4 9 3
9 17 5 11 3
9 17 5 11 3
11 20 6 12 4
13 24 7 15 4
15 27 8 17 4
16 29 8 18 5
16 30 8 19 5
18 33 9 21 5
17 31 9 19 5
17 32 9 20 5
17 31 9 19 5
13 25 7 16 4
10 19 5 12 3
8 15 4 9 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
10 18 5 11 3
12 22 6 14 4
13 25 7 16 4
15 28 8 17 4
18 33 9 21 5
18 33 9 21 5

13 24 7 15 4
16 30 8 19 5
16 30 8 19 5
21 38 11 24 5
23 43 12 27 6
26 49 14 30 6
28 52 14 32 7
28 52 14 32 7
33 61 17 38 7
31 58 16 36 7
31 58 16 36 7
32 59 16 37 7
29 54 15 34 7
23 42 12 26 6
17 31 9 19 5
15 27 8 17 4
12 23 6 14 4
16 29 8 18 5
18 33 9 21 5
23 42 12 26 6
25 47 13 29 6
28 52 14 32 7
33 62 17 39 8
37 69 19 43 8

1.1
1.2
1.3
1.5
1.6
1.7
1.7
1.8
1.8
1.9
1.9
2
2
1.9
1.8
1.8
1.7
1.7
1.6
1.6
1.6
1.5
1.4
1.4

0.1
0.2
0.5
0.7
0.9
0.9
0.7
0.7
0.8
0.9
0.9
0.7
0.5
0.3
0.2
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.3
0.4

185° S S
185° S S
185° S S
190° S S
190° S S
190° S S
185° S S
185° S S
185° S S
185° S S
190° S S
225° SW SW
190° S S
185° S S
185° S S
185° S S
190° S S
190° S S
185° S S
185° S S
185° S S
220° SW SW
210° SW SSW
200° S SSW

1.1
1.2
1.2
1.3
1.3
1.4
1.6
1.6
1.6
1.6
1.7
1.8
1.9
1.9
1.8
1.8
1.7
1.7
1.6
1.5
1.5
1.4
1.4
1.3

13
14
14
14
15
15
14
14
15
14
14
14
13
13
13
13
13
13
13
13
13
13
13
12

310
330
330
320
320
330
340
340
330
320
310
300
290
280
280
280
280
280
290
290
290
270
260
250

3.1
4.8
6.6
8.0
8.7
8.5
7.5
5.9
4.2
2.7
1.8
1.7
2.4
3.9
5.7
7.3
8.2
8.3
7.6
6.3
4.7
3.2
2.2
1.9

11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52
11 52

15
80
70
90
90
95
85
90
90
80
70
80
50
30
65
35
55
85
100
95
100
100
100
100

0.3
0
0
0
0
0
0
0
0.2
0
0.1
0
0
0
0
0
0
0
0
0
0
0.6
0.8
0.9

-
-
-
-
-
-
-
-

100
40
25
25
0
30
30
50
50
55
50
35
25
0
0
0
0
0
0
0
45
80
90
85

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

982
983
984
985
985
986
987
988
988
989
989
990
990
990
990
989
989
987
986
985
983
982
980
978

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0

9 47
8 47
8 47
9 47
9 48
9 48
10 49
10 50
10 50
10 51
10 51
10 49
10 49
9 49
8 47
8 46
7 45
7 45
7 45
7 45
8 46
8 46
8 46
8 46

6 43
5 41
5 41
5 41
5 40
4 39
5 40
5 41
6 42
7 44
6 44
6 42
6 44
7 44
6 42
5 41
5 40
4 39
4 38
3 38
3 38
3 37
2 36
2 36

14 26 4 7 16
14 26 4 7 16
15 28 4 8 17
17 32 5 9 20
19 36 5 10 22
23 43 6 12 27
23 43 6 12 27
23 43 6 12 27
23 43 6 12 27
24 44 6 12 27
23 43 6 12 27
23 42 6 12 26
23 42 6 12 26
19 35 5 10 22
17 31 5 9 19
15 28 4 8 17
14 26 4 7 16
15 27 4 8 17
17 31 5 9 19
19 36 5 10 22
21 39 6 11 24
25 46 6 13 29
28 51 7 14 32
28 51 7 14 32

3.2
3.5
3.8
4
4.3
4.5
4.6
4.7
4.9
5
5
5
5
4.8
4.7
4.5
4.3
4
3.8
3.6
3.5
3.3
3.2
3.1

Forecasts established in local time
Last updated 14min ago | Next update in 3h
Caption

Expert opinion

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

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

We are 80% sure of the situation, because the high pressure system could move in more quickly than forecast.

Very cloudy. But clear spells will become more and more widespread. Light showers all day. In the evening, good clear periods but cloud building.
No precipitation. W force 5 in the morning turning SSE force 4 in the evening. Gusts reaching 33 knots in the middle of the day. Moderate sea. Moderate, long swell from S. Excellent visibility.

Tides at Roscoff

85

Low tide 02h20 1.81m

High tide 08h12 8.73m

84

Low tide 14h41 1.62m

High tide 20h33 8.38m

www.shom.fr - © SHOM 2026

Consult the tides for January

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Thu

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

Fri

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

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* +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

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