Weather Saint-Jouan-Des-Guerets - Detailed bulletin - Free 15-day Marine forecasts

Saint-Jouan-des-Guérets FRALongitude : -1°58’,8438 W Latitude : 48°35’,562 N Altitude : 0m

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

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

-

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

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

-

- 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

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Wednesday 27 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

Offshore

Offshore wind

Offshore sea (m)

30

20

10

0

60

50

40

30

20

10

20

15

10

5

0

40

30

20

10

0

10

5

0

1

0.5

0

3

0

25

20

15

10

75

70

65

60

55

Thu 28

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

185° S S
205° SW SSW
200° S SSW
190° S S
185° S S
185° S S
185° S S
190° S S
195° S SSW
205° SW SSW
205° SW SSW
210° SW SSW
205° SW SSW
205° SW SSW
205° SW SSW
210° SW SSW
240° SW WSW
225° SW SW
210° SW SSW
220° SW SW
230° SW SW
240° SW WSW
250° W WSW
245° SW WSW

5 10 3 6 2
6 11 3 7 2
6 11 3 7 2
5 10 3 6 2
6 11 3 7 2
7 13 4 8 3
8 15 4 9 3
9 17 5 11 3
10 19 5 12 3
13 24 7 15 4
13 25 7 16 4
14 26 7 16 4
15 27 8 17 4
16 29 8 18 5
16 29 8 18 5
17 31 9 19 5
14 26 7 16 4
10 19 5 12 3
8 15 4 9 3
7 13 4 8 3
5 10 3 6 2
5 10 3 6 2
5 10 3 6 2
6 11 3 7 2

9 17 5 11 3
11 20 6 12 4
11 21 6 13 4
11 21 6 13 4
10 19 5 12 3
11 20 6 12 4
13 25 7 16 4
16 29 8 18 5
18 34 9 21 5
21 39 11 24 6
22 41 11 25 6
24 44 12 27 6
25 46 13 29 6
26 49 14 30 6
28 51 14 32 7
29 53 15 33 7
27 50 14 31 7
26 49 14 30 6
18 34 9 21 5
15 28 8 17 4
13 25 7 16 4
11 21 6 13 4
11 20 6 12 4
11 20 6 12 4

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>40 >75 >22 >45 >9
>35 >70 >20 >45 >8
>35 >65 >18 >40 >8
>25 >50 >14 >30 >7
>25 >50 >15 >30 >7
>30 >60 >18 >35 >8
- - - - -
- - - - -
- - - - -

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

0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
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
0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.2
0.1
0.1
0.1
0.1

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

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
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4

12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
10
10
10
10
10
9
9
9
8

110
120
110
110
110
110
100
100
90
90
80
70
60
50
50
50
60
60
60
60
60
60
60
50

6.0
4.0
2.5
2.0
2.8
4.9
7.6
10.1
11.5
11.4
10.4
8.6
6.5
4.4
2.9
2.3
2.8
4.7
7.4
9.8
11.4
11.5
10.6
9.0

21 69
21 69
21 69
21 69
20 69
20 69
20 69
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68
20 68

30
30
35
60
85
95
100
95
55
70
55
95
60
90
60
80
100
95
100
80
75
90
75
80

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.8
2
0.7
1.5
0
0
0
0

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

0
0
0
0
0
0
0
0
0
0
0
0
20
20
20
40
70
90
85
60
35
20
20
0

5
5
4
3
2
3
5
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
10
10
5
5
5

1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006

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

16 61
16 61
16 60
16 60
16 60
16 60
16 61
17 63
19 65
20 68
21 70
22 72
22 71
22 72
22 72
22 72
21 69
18 65
17 63
17 62
17 62
17 62
16 62
17 62

14 57
14 57
14 56
13 56
13 56
13 56
13 56
15 58
16 61
21 70
22 72
23 73
23 73
22 72
22 72
22 71
21 69
15 59
14 58
14 58
15 58
15 58
14 58
14 58

13 25 4 7 16
16 29 5 8 18
16 30 5 8 19
17 31 5 9 19
17 31 5 9 19
17 32 5 9 20
17 32 5 9 20
18 34 5 9 21
18 34 5 9 21
19 36 5 10 22
19 35 5 10 22
17 32 5 9 20
17 31 5 9 19
16 30 5 8 19
17 31 5 9 19
15 28 4 8 17
17 31 5 9 19
16 29 5 8 18
13 25 4 7 16
12 22 4 6 14
13 24 4 7 15
13 24 4 7 15
13 25 4 7 16
15 27 4 8 17

2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.3
2.2
2.1
2
2
2
2.1
2.1
2.1
2.1
2
2
2
1.9
1.8
1.8

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

Expert opinion

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

For Saint-Jouan-Des-Guerets :
Warning strong breeze offshore.

We are 90% sure of the situation, because the atmosphere might be less unstable and showers more frequent than forecast.

Skies very cloudy to overcast in the morning, very cloudy in the afternoon. No precipitation in the morning, possibility of showers in late afternoon. In the evening, storms as night falls.
Showers. S force 4 becoming SSW force 5 in the middle of the day then SW force 4. Gusts reaching 29 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from NW. Visibility reduced by mist becoming excellent in the middle of the day then poor.

Tides at Saint-Malo

82

Low tide 05h01 2.02m

High tide 10h25 11.59m

78

Low tide 17h09 2.28m

High tide 22h33 11.61m

www.shom.fr - © SHOM 2025

Consult the tides for August

Wed

27

-

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

Thu

28

-

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

Fri

29

-

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

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

-

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

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

-

- 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

* +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 Saint-Jouan-Des-Guerets

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Malo