Weather Brest - Detailed bulletin - Free 15-day Marine forecasts

Brest FRALongitude : -4°31’,68 W Latitude : 48°21’,762 N Altitude : 0m

Sun

31

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

Mon

01

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

Tue

02

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

Wed

03

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

Thu

04

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

Fri

05

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

Sat

06

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

Sun

07

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

Mon

08

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

Tue

09

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

Wed

10

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

Thu

11

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

Fri

12

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

Sat

13

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

Sun

14

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning strong breeze offshore.

Sunday 31 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

60

50

40

30

20

10

20

15

10

5

40

30

20

10

5

0

0.5

0

3

0

20

15

10

70

65

60

55

50

Mon 1

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

220° SW SW
220° SW SW
220° SW SW
220° SW SW
225° SW SW
220° SW SW
225° SW SW
220° SW SW
225° SW SW
225° SW SW
220° SW SW
215° SW SW
220° SW SW
215° SW SW
220° SW SW
220° SW SW
220° SW SW
230° SW SW
230° SW SW
240° SW WSW
245° SW WSW
250° W WSW
250° W WSW
250° W WSW

12 22 6 14 4
13 25 7 16 4
15 27 8 17 4
15 28 8 17 4
16 30 8 19 5
16 30 8 19 5
15 28 8 17 4
14 26 7 16 4
15 27 8 17 4
14 26 7 16 4
12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
11 20 6 12 4
11 21 6 13 4
12 22 6 14 4
10 18 5 11 3
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3

23 42 12 26 6
24 45 13 28 6
26 48 13 30 6
26 49 14 30 6
28 51 14 32 7
29 53 15 33 7
28 51 14 32 7
28 51 14 32 7
26 49 14 30 6
26 49 14 30 6
25 46 13 29 6
22 41 11 25 6
22 40 11 25 6
22 40 11 25 6
24 45 13 28 6
22 41 11 25 6
22 40 11 25 6
21 39 11 24 6
20 37 10 23 5
20 37 10 23 5
19 36 10 22 5
20 37 10 23 5
18 33 9 21 5
18 34 9 21 5

>35 >65 >19 >40 >8
>30 >60 >18 >35 >8
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>25 >50 >15 >30 >7
>25 >50 >15 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7

0.3
0.3
0.3
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3

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

0.2
0.2
0.2
0.2
0.1
0.1
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.2
0.1
0.1
0.1
0.1
0.1
0.3
0.3
0.3
0.3
0.3

210° SW SSW
215° SW SW
215° SW SW
215° SW SW
215° SW SW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
215° SW SSW
215° SW SW
215° SW SW
215° SW SW
215° SW SW
215° SW SW
215° SW SW
215° SW SSW
310° NW NW
315° NW NW

0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
<0.1
<0.1
0
0
0

7
5
5
5
5
6
6
7
7
7
6
7
8
5
5
5
5
5
5
1
1
0
0
0

80
150
150
210
210
200
200
190
190
190
190
200
140
150
160
230
230
220
210
3
3
3
3
3

5.3
5.3
5.0
4.5
4.0
3.5
3.1
3.0
3.2
3.6
4.2
4.7
5.0
5.1
4.9
4.6
4.2
3.7
3.4
3.2
3.3
3.6
3.9
4.4

18 64
18 64
18 64
18 64
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 65
18 64
18 64

15
0
60
65
45
50
50
55
45
50
50
40
35
85
95
80
70
85
75
90
85
85
85
95

1.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.1
0.1
0
0
0

-
-
-

95
45
35
25
20
20
30
30
35
25
25
20
0
0
0
20
35
40
50
50
50
45
45
40

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

1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005

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

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

18 64
19 66
17 62
17 63
18 64
18 64
18 64
17 62
16 60
14 58
14 57
12 54
12 54
12 54
12 53
12 54
12 53
12 54
12 53
12 53
12 54
12 53
12 54
13 55

17 32 5 9 20
17 32 5 9 20
17 32 5 9 20
18 33 5 9 21
18 33 5 9 21
17 32 5 9 20
17 31 5 9 19
17 32 5 9 20
17 31 5 9 19
17 32 5 9 20
17 31 5 9 19
17 31 5 9 19
16 30 5 8 19
17 32 5 9 20
18 34 5 9 21
16 29 5 8 18
16 30 5 8 19
16 30 5 8 19
15 27 4 8 17
16 30 5 8 19
17 32 5 9 20
16 30 5 8 19
16 29 5 8 18
16 29 5 8 18

3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.4
3.5
3.5
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.5
3
2.9
2.9
2.9
2.8

Forecasts established in local time
Last updated 45min ago | Next update in 3h
Caption

Expert opinion

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

For Brest :
Warning strong breeze offshore.

We are 80% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.

Sun and storm clouds in the morning,cloudy spells, sometimes dense, in the afternoon. Some showers in the morning, possibility of showers in late afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers SW force 4 in the morning temporarily force 5 in the middle of the day. Gusts reaching 29 knots in the middle of the day. Smooth sea. Low, short swell from SSW. Excellent visibility.

Tides at Brest

37

Low tide 04h23 2.89m

High tide 10h21 5.32m

32

Low tide 16h54 3.04m

High tide 22h43 5.09m

www.shom.fr - © SHOM 2025

Consult the tides for August

Sun

31

-

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

Mon

01

-

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

Tue

02

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

Wed

03

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

Thu

04

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

Fri

05

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

Sat

06

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- 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

Sat

13

-

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

Sun

14

-

- 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 board sports area Brest

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Brest