Weather Tréboul - Sables Blancs - Detailed bulletin - Free 15-day Marine forecasts

Douarnenez FRALongitude : -4°21’,0996 W Latitude : 48°6’,138 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

-

- 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

-

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

Fri

12

-

- 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)

40

30

20

10

70

60

50

40

30

20

10

20

15

10

5

50

40

30

20

10

5

0

1.5

1

0.5

3

0

25

20

15

10

5

70

65

60

55

50

45

Thu 4

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

235° SW WSW
250° W WSW
265° W W
265° W W
265° W W
260° W W
260° W WSW
250° W WSW
245° SW WSW
235° SW SW
225° SW SW
220° SW SW
215° SW SSW
210° SW SSW
205° SW SSW
220° SW SW
235° SW SW
235° SW SW
235° SW SW
245° SW WSW
255° W WSW
260° W W
265° W W
280° W W

19 36 10 22 5
19 36 10 22 5
19 36 10 22 5
19 35 10 22 5
18 34 9 21 5
17 32 9 20 5
16 30 8 19 5
14 26 7 16 4
12 23 6 14 4
10 19 5 12 3
10 18 5 11 3
10 19 5 12 3
11 20 6 12 4
13 24 7 15 4
15 27 8 17 4
16 29 8 18 5
15 27 8 17 4
13 24 7 15 4
15 27 8 17 4
14 26 7 16 4
15 27 8 17 4
13 25 7 16 4
13 25 7 16 4
13 24 7 15 4

35 65 18 40 8
35 65 18 40 8
36 67 19 42 8
35 64 18 40 8
31 58 16 36 7
29 54 15 34 7
27 50 14 31 7
25 47 13 29 6
23 43 12 27 6
22 41 11 25 6
18 34 9 21 5
18 34 9 21 5
21 38 11 24 5
22 41 11 25 6
27 50 14 31 7
30 56 16 35 7
27 50 14 31 7
25 46 13 29 6
28 51 14 32 7
26 49 14 30 6
27 50 14 31 7
24 45 13 28 6
24 44 12 27 6
23 42 12 26 6

>50 >95 >27 >60 >10
>45 >85 >24 >50 >9
>45 >85 >24 >50 >9
>40 >80 >22 >50 >9
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>35 >65 >19 >40 >8
>35 >65 >19 >40 >8
>35 >70 >20 >45 >8
>35 >70 >20 >45 >8
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -

1.2
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.1
1.1
1
1
1
0.9
0.9
0.9
0.9
1
1
1.1
1.1
1.1
1.1
1.1

2.2
2.2
2.3
2.4
2.4
2.4
2.2
2.1
2
1.9
1.9
1.8
1.8
1.7
1.7
1.7
1.7
1.8
1.8
1.9
2
2
2
1.9

0.6
0.7
0.9
1
1
0.9
0.7
0.5
0.4
0.3
0.2
0.2
0.1
0.2
0.2
0.3
0.4
0.4
0.5
0.7
0.6
0.6
0.5
0.3

255° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
245° SW WSW
245° SW WSW
245° SW WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
250° W WSW
260° W WSW
260° W W
245° SW WSW
250° W WSW
260° W W
250° W WSW

1.1
1.0
0.9
0.9
0.8
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.9
0.9
0.9
0.9
0.8
0.9
0.9
0.8
0.9
0.9
1.0
1.0

11
11
11
11
11
11
11
10
10
9
9
9
9
9
9
10
10
10
7
7
10
10
7
10

170
170
180
170
170
170
170
170
170
160
160
160
160
160
160
160
160
170
160
160
150
160
160
160

4.2
4.6
4.9
4.9
4.7
4.3
3.7
3.2
2.9
2.7
2.9
3.2
3.8
4.3
4.7
4.9
4.8
4.5
4.0
3.4
2.9
2.7
2.7
3.0

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

10
0
70
60
85
80
55
45
40
40
45
80
40
55
85
90
60
80
80
35
75
85
80
80

0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1
1
0
0
0
0
0
0
0

-
-
-
-

60
45
40
40
40
40
30
20
20
20
25
20
25
25
50
60
60
40
25
25
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

1000
1001
1003
1004
1005
1006
1006
1007
1007
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1007
1007
1008
1009
1010

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

19 66
19 65
19 65
19 65
18 65
18 65
18 64
18 64
17 63
16 61
16 61
16 61
16 61
16 61
16 61
16 61
16 60
15 60
15 60
15 59
15 59
16 60
16 62
17 63

16 61
20 68
15 59
16 61
16 61
16 61
16 60
15 58
14 56
12 54
12 54
12 54
12 54
12 53
11 52
11 51
11 51
11 51
10 51
10 51
10 50
12 54
14 57
15 60

25 46 6 13 29
24 45 6 13 28
24 44 6 12 27
23 42 6 12 26
22 40 6 11 25
20 37 5 10 23
20 37 5 10 23
18 34 5 9 21
18 33 5 9 21
17 32 5 9 20
17 32 5 9 20
19 35 5 10 22
19 36 5 10 22
23 42 6 12 26
25 46 6 13 29
25 46 6 13 29
24 45 6 13 28
25 46 6 13 29
26 48 6 13 30
24 45 6 13 28
23 43 6 12 27
21 39 6 11 24
19 36 5 10 22
18 33 5 9 21

4.5
4.5
4.5
4.4
4.2
4.1
3.9
3.7
3.6
3.5
3.4
3.3
3.3
3.3
3.3
3.4
3.4
3.5
3.5
3.5
3.5
3.4
3.4
3.3

Forecasts established in local time
Last updated 2h ago | Next update in 1h
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 Tréboul - Sables Blancs :
Warning moderate gale offshore.

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

Skies very cloudy, risk of some thundery outbreaks. Light showers all day. In the evening, cloudy spells, sometimes dense.
Possibility of showers SW force 5 in the morning temporarily W in the middle of the day. Gusts reaching 36 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility.

Tides at Douarnenez

28

High tide 01h55 4.55m

Low tide 08h12 3.04m

34

High tide 14h38 4.92m

Low tide 20h59 2.74m

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

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- 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

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 board sports area Tréboul - Sables Blancs

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Douarnenez