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

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Mon

05

-

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

Tue

06

-

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

Wed

07

-

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

Thu

08

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

Fri

09

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Sunday 27 april

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

30

20

10

0

10

5

0

20

15

10

5

0

5

0

1

0.5

0

3

0

20

15

10

5

70

60

50

40

Sun 27

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

320° NW NW
330° NW NNW
340° N NNW
350° N NNW
330° NW NNW
330° NW NNW
325° NW NW
330° NW NNW
315° NW NW
320° NW NW
335° NW NNW
340° N NNW
345° N NNW
350° N N
350° N N
350° N N
345° N NNW
340° N NNW
345° N NNW
350° N NNW
355° N N
0° N N
5° N N
5° N N

8 14 4 9 3
7 13 4 8 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 9 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
5 9 3 6 2
4 8 2 5 2
5 9 3 6 2
5 9 3 6 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2
6 12 3 7 3
7 13 4 8 3
6 12 3 7 3
6 11 3 7 2
5 9 3 6 2
4 8 2 5 2
3 6 2 4 2
2 4 1 2 1

13 25 7 16 4
12 23 6 14 4
12 22 6 14 4
10 19 5 12 3
9 16 4 10 3
8 15 4 9 3
8 15 4 9 3
9 16 4 10 3
8 15 4 9 3
8 15 4 9 3
9 17 5 11 3
9 17 5 11 3
10 19 5 12 3
10 19 5 12 3
11 20 6 12 4
11 21 6 13 4
14 26 7 16 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
13 25 7 16 4
12 22 6 14 4
9 17 5 11 3
7 13 4 8 3

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

0.8
0.7
0.7
0.7
0.7
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
0.9
0.9
0.9
0.9
0.9

0.1
0.1
0.1
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.3
0.2
0.2
0.2

315° NW NW
315° NW NW
315° NW NW
315° NW NW
315° NW NW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
295° NW WNW
290° W WNW
295° NW WNW
290° W 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

0.4
0.3
0.3
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.4

9
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7

140
140
140
150
150
110
110
110
110
110
110
110
110
110
110
110
100
100
90
90
90
90
90
90

3.5
2.0
1.4
2.2
4.5
7.5
10.2
11.9
12.0
10.9
9.0
6.5
4.0
2.1
1.0
1.2
3.0
6.0
9.2
11.6
12.3
11.7
10.0
7.6

12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
12 54
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55
13 55

75
80
70
70
75
75
75
80
45
55
50
30
10
0
5
5
0
0
0
0
0
20
10
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
0
0
0
0
0
0
0
0
0
0

10
4
5
5
5
5
5
5
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
15
5
10

1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024

0
0
0
0
0
0
0
0
0
1
1
3
4
6
6
6
4
3
2
1
0
0
0
0

11 52
11 51
11 51
10 51
10 50
10 50
10 50
11 51
11 51
11 53
12 54
13 55
13 56
14 56
14 57
14 57
15 58
15 58
14 58
14 57
13 56
13 55
12 53
12 53

8 47
8 46
8 47
8 47
8 47
8 47
8 47
8 47
9 48
11 52
13 55
16 60
17 63
18 65
19 66
18 64
18 65
17 63
16 61
15 58
13 55
11 52
11 51
10 51

11 20 4 6 12
10 19 3 5 12
9 16 3 4 10
8 14 3 4 9
7 13 3 4 8
8 14 3 4 9
8 15 3 4 9
8 14 3 4 9
6 12 3 3 7
5 10 2 3 6
5 9 2 3 6
4 8 2 2 5
5 9 2 3 6
6 11 2 3 7
5 10 2 3 6
5 10 2 3 6
5 10 2 3 6
5 10 2 3 6
6 12 3 3 7
7 13 3 4 8
8 14 3 4 9
6 12 3 3 7
5 9 2 3 6
4 7 2 2 4

0.5
0.5
0.5
0.5
0.5
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 2h ago | Next update in 1h
Caption

Expert opinion

A northerly, weak and variable flow prevails over the South-East of the basin. Over the West and the North, it is southerly, strong and mostly variable.

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

The reliability of the situation is assessed at 95%.
For the night from Saturday to Sunday NW force 3 becoming NNW force 2 in the middle of the night then NW. Gusts reaching 13 knots in the early part of the night.

Smooth to slight sea. Low, fairly long swell from NW. Good visibility becoming poor in the middle of the night. Daytime of Sunday 27 april : Improving during the day:the sky will clear.

Cloud and sun in the morning, sunny in the afternoon. No precipitation. In the evening, fair weather with mostly clear skies.
NNW force 2 in the morning becoming N force 3 in the middle of the day. Gusts reaching 15 knots from the middle of the day. Smooth to slight sea. Low, fairly long swell from WNW. Poor visibility becoming excellent in the middle of the day then poor.

Tides at Saint-Cast

101

Low tide 02h01 1.42m

High tide 07h32 12.14m

105

Low tide 14h27 0.91m

High tide 19h56 12.35m

www.shom.fr - © SHOM 2025

Consult the tides for April

Fri

25

-

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

Sat

26

-

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

Sun

27

-

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

Mon

28

-

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

Tue

29

-

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

Wed

30

-

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

Thu

01

-

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

Fri

02

-

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

Sat

03

-

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

Sun

04

-

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

Mon

05

-

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

Tue

06

-

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

Wed

07

-

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

Thu

08

-

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

Fri

09

-

- 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