Weather Roscoff - Bloscon - Detailed bulletin - Free 15-day Marine forecasts

Roscoff FRALongitude : -3°57’,9 W Latitude : 48°43’,098 N Altitude : 0m

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning strong breeze offshore.

Friday 29 august

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Under storms

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

5

0

1.5

1

0.5

3

0

20

15

10

70

65

60

55

50

Sat 30

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

265° W W
270° W W
270° W W
270° W W
270° W W
275° W W
275° W W
275° W W
270° W W
270° W W
270° W W
270° W W
270° W W
270° W W
270° W W
265° W W
260° W W
255° W WSW
250° W WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
225° SW SW

14 26 7 16 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
16 29 8 18 5
15 28 8 17 4
16 30 8 19 5
16 29 8 18 5
16 30 8 19 5
16 30 8 19 5
16 30 8 19 5
16 29 8 18 5
17 31 9 19 5
17 31 9 19 5
16 29 8 18 5
14 26 7 16 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
10 18 5 11 3
9 17 5 11 3
9 17 5 11 3
9 17 5 11 3
9 16 4 10 3

24 44 12 27 6
25 47 13 29 6
25 47 13 29 6
25 46 13 29 6
26 48 13 30 6
26 49 14 30 6
26 49 14 30 6
28 51 14 32 7
28 51 14 32 7
27 50 14 31 7
28 51 14 32 7
28 52 14 32 7
27 50 14 31 7
28 51 14 32 7
27 50 14 31 7
26 48 13 30 6
24 44 12 27 6
21 39 11 24 6
20 37 10 23 5
18 33 9 21 5
17 31 9 19 5
16 29 8 18 5
17 31 9 19 5
16 30 8 19 5

>35 >65 >19 >40 >8
>35 >70 >20 >45 >8
>35 >70 >20 >40 >8
>30 >55 >16 >35 >7
>30 >60 >17 >35 >7
>30 >60 >17 >35 >8
>25 >50 >14 >30 >7
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

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

2.1
2.1
2.1
2.1
2.1
2.1
2.1
2
2
2
2
2
2
2
2
2
1.9
1.9
1.9
1.8
1.8
1.8
1.8
1.7

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

325° NW NW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
190° S SSW
190° S S
190° S S
190° S S
190° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
195° S SSW
190° S S
190° S SSW
195° S SSW

1.2
1.1
1.1
1.1
1.1
1.1
1.0
1.1
1.0
1.0
1.1
1.1
1.1
1.1
1.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.9

11
11
11
11
11
11
11
11
11
11
11
7
10
10
10
10
10
10
10
10
10
10
10
10

210
200
200
200
200
200
200
200
200
200
190
190
180
180
170
170
170
170
170
170
180
160
160
160

2.6
3.4
4.8
6.2
7.3
7.8
7.6
6.9
5.7
4.5
3.4
2.8
2.8
3.4
4.6
5.9
7.0
7.6
7.5
6.9
5.9
4.8
3.8
3.1

15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59

5
90
90
95
95
90
90
55
60
70
90
50
85
50
75
75
80
60
85
60
95
95
80
45

0.1
0.6
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-

100
50
50
50
55
50
45
35
20
25
30
35
25
25
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
>20
>20
>20
>20
>20
>20

998
998
998
999
999
1000
1001
1001
1002
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007

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

17 62
16 62
16 61
16 61
17 62
17 62
17 63
18 64
18 65
18 65
18 65
19 65
19 65
18 65
18 64
17 63
17 63
17 62
16 61
16 61
16 60
16 60
16 61
16 60

12 53
12 53
12 53
11 53
12 54
12 53
13 55
16 60
17 63
18 64
17 63
17 63
16 62
15 60
14 57
13 56
13 55
13 55
13 55
13 55
13 55
12 54
13 55
12 54

18 34 5 9 21
19 35 5 10 22
19 36 5 10 22
19 35 5 10 22
20 37 5 10 23
19 36 5 10 22
19 35 5 10 22
17 32 5 9 20
18 33 5 9 21
18 33 5 9 21
20 37 5 10 23
18 34 5 9 21
18 34 5 9 21
19 35 5 10 22
18 34 5 9 21
18 33 5 9 21
17 32 5 9 20
17 32 5 9 20
16 30 5 8 19
16 29 5 8 18
15 28 4 8 17
15 28 4 8 17
15 27 4 8 17
15 27 4 8 17

2.9
2.9
2.9
2.9
2.9
2.9
2.8
2.8
2.9
2.9
2.9
3
3
3
3
2.9
2.9
2.8
2.8
2.7
2.6
2.5
2.5
2.4

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A westerly, strong and mostly variable flow prevails over the whole area.

For Roscoff - Bloscon :
Warning strong breeze offshore.

We are 80% sure of the situation, because hail may not be as easy to predict.

Skies very cloudy, risk of thundery outbreaks in the morning. Showers with possibility of hail in the morning, possibility of showers in the afternoon. In the evening, good clear periods but lots of cloud, too.
Chance of light rain. W wind force 5 continuing all day. Gusts reaching 28 knots in the middle of the day. Slight sea. Low, fairly long swell from SSW. Excellent visibility.

Tides at Roscoff

62

Low tide 04h22 2.45m

High tide 10h10 7.83m

56

Low tide 16h34 2.71m

High tide 22h20 7.66m

www.shom.fr - © SHOM 2025

Consult the tides for August

Fri

29

-

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

Sat

30

-

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

Sun

31

-

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

Mon

01

-

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

Tue

02

-

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

Wed

03

-

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

Thu

04

-

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

Fri

05

-

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

Sat

06

-

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

Sun

07

-

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

Mon

08

-

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

- 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 port Roscoff - Bloscon

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Roscoff