Weather Saint-Briac-sur-Mer - Detailed bulletin - Free 15-day Marine forecasts

Saint-Briac-sur-Mer FRALongitude : -2°9’,102 W Latitude : 48°37’,5 N Altitude : 0m

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

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

Mon

02

-

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

Tue

03

-

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

Wed

04

-

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

Thu

05

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

Fri

06

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

BULLETIN

(established in local time)

Reliability 70%

No gale warning.

Monday 26 may

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

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)

20

15

10

5

0

40

30

20

10

0

10

5

0

25

20

15

10

5

0

10

5

0

1.5

1

0.5

3

0

20

15

10

5

70

60

50

40

Mon 26

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

260° W W
250° W WSW
245° SW WSW
240° SW WSW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
245° SW WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
270° W W
275° W W
295° NW WNW
305° NW NW
305° NW NW
290° W WNW
255° W WSW
240° SW WSW
230° SW SW

7 13 4 8 3
7 13 4 8 3
6 12 3 7 3
6 12 3 7 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
8 14 4 9 3
8 14 4 9 3
9 16 4 10 3
9 17 5 11 3
10 18 5 11 3
10 18 5 11 3
9 17 5 11 3
9 16 4 10 3
9 16 4 10 3
8 14 4 9 3
6 12 3 7 3
7 13 4 8 3
5 10 3 6 2
4 7 2 4 2
5 9 3 6 2
6 11 3 7 2
7 13 4 8 3

18 34 9 21 5
16 29 8 18 5
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
11 21 6 13 4
12 23 6 14 4
13 25 7 16 4
14 26 7 16 4
16 29 8 18 5
16 30 8 19 5
17 32 9 20 5
17 32 9 20 5
17 32 9 20 5
17 31 9 19 5
17 31 9 19 5
16 30 8 19 5
15 28 8 17 4
14 26 7 16 4
13 25 7 16 4
12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4

1.1
1.1
1.1
1.1
1
1
1
1
1
1
1
0.9
0.9
0.9
0.9
0.9
0.8
0.9
0.9
0.9
0.9
0.9
0.9
1

2.1
2
1.9
1.9
1.9
1.9
1.8
1.8
1.8
1.8
1.8
1.7
1.7
1.7
1.6
1.6
1.6
1.6
1.6
1.7
1.7
1.7
1.7
1.7

0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.5
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.6
0.6
0.5
0.5

295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW

0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.7

8
8
7
7
7
7
7
7
7
7
7
7
7
7
8
8
7
7
8
8
8
8
8
7

80
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
90
100
90
80
80
80
80
90

2.9
2.0
2.1
3.5
6.0
8.7
10.8
11.6
11.2
9.8
7.7
5.5
3.4
2.0
1.5
2.4
4.6
7.5
10.1
11.7
11.7
10.7
8.8
6.5

15 60
15 60
15 60
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 59
15 60
15 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60

20
10
15
25
25
55
30
20
20
30
40
50
65
75
90
95
90
90
95
95
90
95
90
85

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
20
25
35
35
40
30
20
20

>20
>20
10
10
5
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
15

1018
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1021
1021
1021
1021
1022

0
0
0
0
0
0
0
0
0
1
2
3
4
5
4
3
3
2
1
1
0
0
0
0

13 56
13 55
11 51
10 51
10 50
10 49
10 50
10 51
11 53
13 55
14 57
16 61
16 61
16 61
18 64
17 62
17 62
17 63
17 62
16 60
15 59
14 58
14 56
13 55

11 51
10 50
8 47
8 46
7 45
7 45
7 45
8 46
9 49
11 52
14 57
18 64
19 67
18 64
17 62
16 61
17 62
17 63
18 64
17 62
16 61
14 57
11 52
10 50

16 30 5 8 19
17 31 5 9 19
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
15 27 4 8 17
14 26 4 7 16
14 26 4 7 16
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
13 25 4 7 16
12 23 4 6 14
13 24 4 7 15
12 23 4 6 14
13 25 4 7 16
14 26 4 7 16
15 27 4 8 17
15 27 4 8 17
15 28 4 8 17
15 27 4 8 17
13 24 4 7 15
12 23 4 6 14

1
1
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.9
0.8
0.8
0.8

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 8min ago | Next update in 3h
Caption

Expert opinion

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

For Saint-Briac-sur-Mer :
No gale warning.

The reliability of the situation is fairly good.
For the night from Sunday to Monday W force 3 in the early part of the night turning SW. Gusts reaching 18 knots in the early part of the night.

Slight sea. Low, fairly long swell from WNW. Excellent visibility becoming good in the middle of the night then good. Daytime of Monday 26 may : The weather will become more uncertain during the day.

Cloud and sun in the morning, very cloudy in the afternoon. The risk of seeing rain will remain low. In the evening, very cloudy skies to overcast.
Possibility of showers WSW wind force 3 continuing all day. Gusts reaching 17 knots until the middle of the day. Slight sea. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day then good.

Tides at Saint-Cast

92

Low tide 01h30 1.86m

High tide 07h04 11.61m

94

Low tide 13h58 1.53m

High tide 19h29 11.86m

www.shom.fr - © SHOM 2025

Consult the tides for May

Fri

23

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

Sat

24

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

Sun

25

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

Mon

26

-

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

Tue

27

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

Wed

28

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

Thu

29

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

Fri

30

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

Sat

31

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

Sun

01

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

Mon

02

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

Tue

03

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

Wed

04

-

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

Thu

05

-

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

Fri

06

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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 Saint-Briac-sur-Mer

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Cast