Weather Plage du Rosais - Detailed bulletin - Free 15-day Marine forecasts

Saint-Malo (35400)Longitude : -2°0’,7836 W Latitude : 48°37’,386 N Altitude : 0m

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

-

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

BULLETIN

(established in local time)

Reliability 90%

No gale warning.

Thursday 18 september

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

0.5

0

3

0

40

30

20

10

0

90

80

70

60

50

40

Fri 19

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

190° S S
180° S S
180° S S
150° SE SSE
135° SE SE
150° SE SSE
160° S SSE
165° S SSE
160° S SSE
155° SE SSE
145° SE SE
140° SE SE
145° SE SE
145° SE SSE
150° SE SSE
155° SE SSE
160° S SSE
170° S S
175° S S
230° SW SW
235° SW SW
255° W WSW
260° W W
270° W W

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

11 21 6 13 4
10 19 5 12 3
10 18 5 11 3
8 15 4 9 3
6 12 3 7 3
6 11 3 7 2
5 10 3 6 2
5 9 3 6 2
5 9 3 6 -
6 11 3 7 -
6 12 3 7 3
8 14 4 9 3
8 15 4 9 3
10 18 5 11 -
11 20 6 12 4
11 21 6 13 4
13 25 7 16 4
15 27 8 17 4
13 25 7 16 4
12 23 6 14 4
13 25 7 16 4
12 22 6 14 4
11 20 6 12 4
11 20 6 12 4

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

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

305° 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 NW
305° 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 NW
305° NW NW
305° NW NW
305° NW NW
305° NW NW
305° NW NW
305° NW NW

0.3
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

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8

70
70
70
70
70
70
70
70
70
70
60
60
60
60
60
60
60
60
60
60
60
60
60
60

10.2
9.8
8.7
7.3
5.7
4.3
3.4
3.2
3.9
5.5
7.5
9.3
10.4
10.4
9.6
8.2
6.5
4.8
3.6
3.1
3.5
5.0
7.2
9.3

19 67
19 67
19 67
19 67
19 67
19 67
19 67
19 66
19 66
19 66
19 66
19 66
19 66
19 66
19 65
19 65
19 65
19 65
19 66
19 66
19 66
19 66
19 66
19 67

40
40
25
35
15
5
0
0
20
25
20
10
10
5
5
5
5
5
10
40
75
30
25
25

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

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

1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

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

20 67
20 67
21 70
20 67
18 65
17 63
16 62
16 60
15 59
14 58
13 55
11 53
13 55
14 57
14 58
16 60
18 64
20 68
22 72
23 73
23 74
24 74
24 74
24 74

18 65
18 64
23 74
19 65
17 63
16 61
15 60
15 58
14 56
13 55
11 52
10 49
11 51
12 53
12 53
14 56
17 62
23 74
26 79
29 83
29 84
30 87
31 87
29 85

6 11 2 3 7
4 7 2 2 4
3 5 1 1 3
2 4 1 1 2
2 3 1 1 2
3 5 1 1 3
3 6 2 2 4
5 9 2 3 6
6 11 2 3 7
8 14 3 4 9
9 16 3 4 10
9 17 3 5 11
10 18 3 5 11
11 20 4 6 12
11 21 4 6 13
10 19 3 5 12
10 18 3 5 11
10 19 3 5 12
11 20 4 6 12
8 15 3 4 9
6 12 3 3 7
4 7 2 2 4
4 7 2 2 4
6 11 2 3 7

0.6
0.6
0.6
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
0.5
0.5
0.5
0.4
0.4

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

Expert opinion

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

For Plage du Rosais :
No gale warning.

We are 90% sure of the situation, because the clear patches could move in later than forecast.

Very cloudy. No precipitation. In the evening, changeable skies becoming less cloudy.
No precipitation. S wind force 3 from the middle of the day. Gusts reaching 13 knots in the middle of the day. Smooth sea. Low, fairly long swell from NW. Excellent visibility becoming excellent in the evening.

Tides at Saint-Malo

54

High tide 05h36 9.58m

Low tide 12h12 3.93m

61

High tide 17h55 10.19m

www.shom.fr - © SHOM 2025

Consult the tides for September

Thu

18

-

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

Fri

19

-

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

Sat

20

-

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

Sun

21

-

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

Mon

22

-

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

Tue

23

-

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

Wed

24

-

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

Thu

25

-

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

Fri

26

-

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

Sat

27

-

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

Sun

28

-

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

Mon

29

-

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

Tue

30

-

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

Wed

01

-

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

Thu

02

-

- 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 beach Plage du Rosais

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Saint-Malo