Weather Port-Donnant - Detailed bulletin - Free 15-day Marine forecasts

Sauzon FRALongitude : -3°14’,3226 W Latitude : 47°19’,518 N Altitude : 0m

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

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

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Monday 15 december

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)

30

20

10

0

60

50

40

30

20

10

0

15

10

5

0

40

30

20

10

0

10

5

0

3.5

3

2.5

2

3

0

15

10

5

60

55

50

45

40

Tue 16

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

180° S S
180° S S
180° S S
180° S S
180° S S
180° S S
185° S S
190° S SSW
205° SW SSW
210° SW SSW
215° SW SW
215° SW SW
220° SW SW
245° SW WSW
275° W W
310° NW NW
350° N NNW
10° N N
30° NE NNE
30° NE NNE
35° NE NE
25° NE NNE
25° NE NNE
25° NE NNE

16 30 8 19 5
16 30 8 19 5
18 34 9 21 5
16 30 8 19 5
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 28 8 17 4
15 27 8 17 4
12 23 6 14 4
11 20 6 12 4
9 16 4 10 3
6 12 3 7 3
5 9 3 6 2
3 5 1 3 1
4 8 2 5 2
7 13 4 8 3
8 14 4 9 3
9 17 5 11 3
8 15 4 9 3
11 20 6 12 4
13 25 7 16 4
13 25 7 16 4

24 45 13 28 6
24 45 13 28 6
28 51 14 32 7
25 46 13 29 6
24 44 12 27 6
23 43 12 27 6
24 45 13 28 6
23 43 12 27 6
24 44 12 27 6
23 43 12 27 6
22 40 11 25 6
18 34 9 21 5
16 30 8 19 5
13 25 7 16 4
12 22 6 14 4
10 18 5 11 3
10 18 5 11 3
12 22 6 14 4
12 22 6 14 4
14 26 7 16 4
13 24 7 15 4
16 30 8 19 5
21 39 11 24 6
21 39 11 24 6

2.5
2.5
2.6
2.6
2.6
2.7
2.8
2.8
2.9
2.9
2.9
3
3.1
3.1
3
2.9
2.8
2.8
2.8
2.9
2.8
2.8
2.8
2.8

4.5
4.6
4.6
4.7
4.8
4.8
5
5.1
5.1
5.2
5.2
5.3
5.5
5.6
5.4
5.1
5
5
5.1
5.1
5.1
5.1
5.1
5

1.2
1.3
1.3
1.2
1
0.8
0.8
0.8
0.7
0.8
1
1.4
1.6
1.6
0.6
0.5
0.4
0.6
0.8
1
1.1
1.2
1.3
1.2

260° W W
260° W W
260° W W
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
255° W WSW
250° W WSW
245° SW WSW
245° SW WSW
250° W WSW
255° W WSW
255° W WSW
260° W WSW
260° W W
260° W W
260° W W
265° W W

2.2
2.2
2.2
2.3
2.4
2.6
2.7
2.7
2.8
2.7
2.7
2.6
2.6
2.6
2.9
2.8
2.8
2.7
2.7
2.7
2.6
2.6
2.5
2.5

10
10
10
10
10
10
10
10
10
10
11
11
11
11
10
10
10
11
11
11
11
11
11
11

140
130
140
140
140
150
150
150
160
160
160
150
140
150
160
170
180
170
170
160
160
170
170
170

3.3
3.8
4.1
4.1
3.9
3.5
2.9
2.3
2.0
1.9
2.0
2.5
3.1
3.6
4.1
4.3
4.1
3.7
3.2
2.6
2.1
1.9
1.9
2.3

13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56
13 56

0
0
25
45
75
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.1
0.2
0.2
0.3
0.5
0.5
0.5
0.6
0.7
0.6
0.6

-
-
-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
0
0
20
40
55
65
75
85
90
90
90
90
75
70
65
70

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

1007
1006
1006
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1007
1008
1010

0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

13 56
14 56
14 56
14 57
14 57
14 57
14 56
14 56
13 56
13 56
13 56
13 55
13 55
13 55
12 54
12 53
12 53
11 52
11 52
11 52
11 52
11 51
11 51
11 51

10 50
11 51
9 49
10 50
10 49
9 48
9 47
9 47
8 47
8 47
9 48
9 48
10 49
10 50
10 50
11 51
10 49
9 47
8 47
8 46
8 46
7 44
6 43
6 43

19 36 5 10 22
21 39 6 11 24
21 38 5 11 24
18 34 5 9 21
18 33 5 9 21
18 33 5 9 21
17 31 5 9 19
16 30 5 8 19
14 26 4 7 16
13 25 4 7 16
12 23 4 6 14
10 18 3 5 11
8 14 3 4 9
5 10 2 3 6
3 6 2 2 4
4 8 2 2 5
6 11 2 3 7
7 13 3 4 8
8 15 3 4 9
11 21 4 6 13
11 20 4 6 12
11 20 4 6 12
14 26 4 7 16
15 28 4 8 17

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

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

Expert opinion

A southerly, strong and variable flow prevails over the East of the basin. Over the West, it is northwesterly, moderate and mostly variable.

For Port-Donnant :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Predominantly sunny in the morning, sunny, progressively clouding over in the afternoon. No precipitation. In the evening, overcast skies.
Light showers. S force 5 in the morning becoming SSW force 4 in the evening. Gusts reaching 28 knots in the middle of the day. Moderate sea becoming rough in the middle of the day. Moderate, fairly long swell from WSW. Good visibility becoming good in the middle of the day then excellent.

Tides at Belle-Ile (Le Palais)

47

High tide 01h23 4.11m

Low tide 07h21 1.95m

49

High tide 13h45 4.14m

Low tide 19h53 1.85m

www.shom.fr - © SHOM 2025

Consult the tides for December

Mon

15

-

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

Tue

16

-

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

Wed

17

-

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

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

* +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 Port-Donnant

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Belle-Ile (Le Palais)