Weather Brest - Le Moulin Blanc - Detailed bulletin - Free 15-day Marine forecasts

Brest FRALongitude : -4°25’,698 W Latitude : 48°23’,502 N Altitude : 0m

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

-

- 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

Mon

15

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

Tue

16

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

Wed

17

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

BULLETIN

(established in local time)

Reliability 80%

Wind alert - Warning moderate gale offshore.

Wednesday 3 september

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)

50

40

30

20

10

90

80

70

60

50

40

30

20

25

20

15

10

5

60

50

40

30

20

10

5

0

0.5

0

9

6

3

0

20

15

10

70

65

60

55

50

Thu 4

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

210° SW SSW
215° SW SSW
210° SW SSW
210° SW SSW
220° SW SW
220° SW SW
225° SW SW
230° SW SW
240° SW WSW
265° W W
265° W W
260° W W
255° W WSW
250° W WSW
245° SW WSW
240° SW WSW
235° SW SW
225° SW SW
220° SW SW
210° SW SSW
205° SW SSW
200° S SSW
215° SW SSW
230° SW SW

21 39 11 24 6
21 39 11 24 6
22 40 11 25 6
23 42 12 26 6
21 38 11 24 5
21 38 11 24 5
21 38 11 24 5
21 39 11 24 6
19 36 10 22 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
16 29 8 18 5
15 27 8 17 4
14 26 7 16 4
12 23 6 14 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
12 22 6 14 4
13 25 7 16 4
15 28 8 17 4
16 30 8 19 5
13 25 7 16 4

38 71 20 44 8
43 79 22 49 9
41 76 21 47 9
42 77 21 48 9
43 80 22 50 9
39 73 20 45 8
39 73 20 45 8
40 74 21 46 8
39 73 20 45 8
38 70 19 43 8
33 62 17 39 8
31 58 16 36 7
29 54 15 34 7
28 52 14 32 7
26 49 14 30 6
25 47 13 29 6
24 45 13 28 6
23 43 12 27 6
22 40 11 25 6
24 45 13 28 6
25 47 13 29 6
29 53 15 33 7
32 59 16 37 7
32 60 17 37 7

- - - - -
- - - - -
>45 >85 >24 >55 >9
>40 >75 >21 >45 >9
>50 >95 >27 >60 >10
>55 >100 >29 >65 >11
>55 >100 >29 >65 >11
>45 >90 >25 >55 >10
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>35 >70 >19 >40 >8
>35 >65 >19 >40 >8
>45 >85 >24 >50 >9

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
0.2
0.2
0.2
0.2
0.2

0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

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
0.2
0.2
0.2
0.2
0.2

310° NW NW
305° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
300° NW WNW
310° NW NW
300° NW WNW
305° NW NW
300° NW WNW
300° NW WNW

<0.1
<0.1
<0.1
<0.1
<0.1
<0.1
0
<0.1
0
0
0
0
0
0
0
0
0
0
0
<0.1
<0.1
<0.1
<0.1
0

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

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

4.2
3.8
3.4
3.3
3.3
3.5
4.0
4.5
4.9
5.2
5.3
5.1
4.6
4.1
3.5
3.1
2.9
3.0
3.4
4.0
4.6
5.0
5.3
5.2

17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62
17 62

100
100
100
100
100
90
90
65
85
75
50
85
65
80
85
80
80
70
40
80
90
90
100
50

0
0
1.2
2.6
2.2
3.2
1.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.8

-
-

30
30
65
75
90
75
60
45
30
25
20
20
20
20
20
25
25
20
0
0
35
55
70
50

15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1001
1000
999
999
999
999
1000
1000
1001
1002
1003
1004
1005
1006
1007
1007
1007
1007
1008
1007
1006
1006
1005
1005

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

19 65
19 66
19 65
18 65
18 65
18 65
18 65
18 65
19 65
19 65
19 65
19 65
18 65
18 65
18 64
17 63
17 62
17 62
16 62
16 62
17 62
17 62
17 62
16 61

12 54
12 54
12 53
12 53
12 53
12 54
13 55
14 57
15 59
17 63
17 63
17 63
17 62
16 61
15 59
14 57
13 55
13 55
12 54
12 54
12 54
12 53
11 52
12 53

26 49 6 14 30
29 54 7 15 34
29 54 7 15 34
26 49 6 14 30
26 49 6 14 30
26 48 6 13 30
24 45 6 13 28
24 45 6 13 28
27 50 7 14 31
27 50 7 14 31
25 46 6 13 29
25 46 6 13 29
24 44 6 12 27
22 41 6 11 25
21 39 6 11 24
21 39 6 11 24
19 35 5 10 22
18 34 5 9 21
19 35 5 10 22
18 34 5 9 21
19 35 5 10 22
21 39 6 11 24
21 38 5 11 24
22 41 6 11 25

3
3.2
3.3
3.3
3.3
3.4
3.4
3.3
3.2
3.2
3.3
3.4
3.3
3.2
3.1
3.1
3
2.9
2.8
2.7
2.7
2.6
2.6
2.6

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

Low 991 hPa centered to the South-West of Ireland moving at 22 knots to the East-North-East and dropping to 987 hPa to be centered on the North of the Irish Sea.

For Brest - Le Moulin Blanc :
Warning moderate gale offshore.

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

Storms developing in the morning, very cloudy with possibility of thunder storms in the afternoon. Warning: violent showers with 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. SW force 6 turning W in the middle of the day then WSW force 4. Gusts reaching 43 knots in the morning. Smooth sea. Low, short swell from WNW then from N in the middle of the day. Excellent visibility.

Tides at Brest

28

High tide 02h02 4.89m

Low tide 08h27 3.24m

34

High tide 14h43 5.28m

Low tide 21h07 2.92m

www.shom.fr - © SHOM 2025

Consult the tides for September

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

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

Sun

07

-

- 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

Mon

15

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

Tue

16

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

Wed

17

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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 port Brest - Le Moulin Blanc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Brest