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

Technopole Brest Iroise FRALongitude : -4°33’,2526 W Latitude : 48°21’,342 N Altitude : 0m

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

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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

-

- 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

Sat

13

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

BULLETIN

(established in local time)

Reliability 85%

No gale warning.

Saturday 30 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

40

30

20

10

70

60

50

40

30

20

10

20

15

10

5

40

30

20

10

5

0

1

0.5

0

3

0

20

15

10

70

65

60

55

50

Sun 31

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

205° SW SSW
200° S SSW
200° S SSW
200° S SSW
205° SW SSW
200° S SSW
205° SW SSW
220° SW SW
235° SW SW
250° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
250° W WSW
245° SW WSW
240° SW WSW
240° SW WSW
230° SW SW
230° SW SW
220° SW SW
220° SW SW
225° SW SW
220° SW SW

12 23 6 14 4
14 26 7 16 4
17 31 9 19 5
17 32 9 20 5
18 33 9 21 5
18 33 9 21 5
18 34 9 21 5
17 31 9 19 5
15 27 8 17 4
13 25 7 16 4
11 21 6 13 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
11 20 6 12 4
11 21 6 13 4
11 20 6 12 4
12 23 6 14 4
13 24 7 15 4
13 25 7 16 4

22 41 11 25 6
24 45 13 28 6
29 54 15 34 7
31 57 16 35 7
33 62 17 39 8
33 62 17 39 8
34 63 18 39 8
33 62 17 39 8
31 57 16 35 7
28 52 14 32 7
25 47 13 29 6
23 42 12 26 6
22 40 11 25 6
20 37 10 23 5
19 36 10 22 5
18 34 9 21 5
20 37 10 23 5
21 38 11 24 5
21 38 11 24 5
21 39 11 24 6
21 39 11 24 6
23 42 12 26 6
25 46 13 29 6
26 49 14 30 6

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>35 >60 >18 >40 >8
>35 >65 >19 >40 >8

0.3
0.3
0.3
0.4
0.4
0.4
0.5
0.5
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.4
0.4
0.4
0.4
0.4

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

0.2
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.4

250° W WSW
255° W WSW
245° SW WSW
230° SW SW
225° SW SW
280° W W
220° SW SW
255° W WSW
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 SSW
210° SW SSW
315° NW NW
315° NW NW
315° NW NW
310° NW NW
315° NW NW
310° NW NW

0.1
0.1
0.1
<0.1
<0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.1
<0.1
<0.1
<0.1
<0.1
<0.1
<0.1

4
4
2
2
2
2
2
4
7
7
7
8
8
8
8
8
8
8
1
1
1
1
1
1

50
20
15
40
40
40
40
40
45
50
50
60
60
60
60
60
60
60
3
3
3
3
3
3

5.4
4.8
4.1
3.4
2.9
2.7
2.8
3.4
4.1
4.8
5.3
5.5
5.3
4.9
4.3
3.7
3.2
2.9
3.0
3.3
3.9
4.5
5.0
5.3

18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64

50
95
100
100
100
100
100
100
90
90
85
85
80
90
50
80
80
75
40
80
45
55
80
60

0.2
0.3
0.3
0.4
1.6
1.6
1.6
0.6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1

-
-
-
-
-
-
-
-

100
50
60
60
75
80
85
60
45
25
25
0
0
0
0
0
0
0
0
20
25
30
40
50

10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1007
1006
1006
1005
1004
1004
1004
1003
1003
1004
1004
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005

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

18 64
18 65
19 66
19 66
19 65
18 65
19 65
19 66
19 66
18 65
18 64
17 62
16 61
16 61
16 60
15 59
15 59
15 59
15 59
15 59
15 59
15 60
16 61
17 62

18 64
16 60
16 60
14 57
13 55
13 56
14 56
14 58
15 58
14 57
14 56
13 56
13 55
12 54
12 54
12 53
11 52
11 52
11 52
11 52
11 53
11 52
12 54
14 57

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

Expert opinion

For Brest :
No gale warning.

We are 85% sure of the situation, because in this type of situation, it is difficult to define precisely when the precipitation will begin.

Very cloudy skies becoming totally overcast during the afternoon. Some light showers in the morning, light rain gradually increasing in the afternoon. In the evening, very cloudy.
Light showers progressively becoming less frequent. SSW force 4 becoming force 5 in the middle of the day then WSW. Gusts reaching 34 knots in the middle of the day. Smooth sea becoming smooth to slight in the middle of the day. Low, short swell from WSW. Poor visibility becoming excellent in the middle of the day.

Tides at Brest

50

Low tide 03h46 2.5m

High tide 09h38 5.68m

44

Low tide 16h06 2.68m

High tide 21h53 5.49m

www.shom.fr - © SHOM 2025

Consult the tides for August

Sat

30

-

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

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

-

- 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 anchorage Brest

BULLETIN

Wind

Waves

Weather

Temperature

Expert opinion

Tides at Brest