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

Sauzon FRALon : -3°14’,3226 W Lat : 47°19’,518 N Alt : 0m

Thu

12

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Fri

13

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Sat

14

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Sun

15

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Mon

16

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Tue

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Wed

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Thu

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Fri

20

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Sat

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Sun

22

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Mon

23

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Tue

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Wed

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Thu

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BULLETIN

(* established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Thursday 12 mar

METEO CONSULT Run : 11/03 00Z Mesh : 1km Updated, 7h ago Update imminent

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (m) (m)

Total sea (m)

Wind (m)

Swell direction

Swell height (m)

Swell period (s)

Wave length (m)

High tide (m)

Sea temp

Weather

Rain (mm) (mm)

Clouds:

Cloud cover (%)

Precipitation:

Amount of precipitation (mm)

Type of precipitation

Risks:

Precipitation risk (%)

Storm risk. (%)

Brightness:

Visibility (km)

Pressure (hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

40

30

20

10

80

70

60

50

40

30

20

25

20

15

10

5

50

40

30

20

10

5

0

5

0

3

0

15

10

5

0

60

55

50

45

40

                                    
                                                                         Fri 13
                                                            
                    02h
                
                    03h
                
                    04h
                
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                        Run : 11/03 00Z
                Mesh : 1km
                Updated, 7h ago
                Update imminent

Fri 13

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

240° SW WSW
240° SW WSW
235° SW WSW
235° SW SW
230° SW SW
230° SW SW
240° SW WSW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
225° SW SW
225° SW SW
225° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
220° SW SW
225° SW SW
225° SW SW

12 22 6 14 4
12 22 6 14 4
12 23 6 14 4
12 23 6 14 4
14 26 7 16 4
14 26 7 16 4
15 27 8 17 4
15 28 8 17 4
16 29 8 18 5
17 31 9 19 5
17 31 9 19 5
17 32 9 20 5
18 33 9 21 5
18 34 9 21 5
19 35 10 22 5
19 35 10 22 5
19 35 10 22 5
20 37 10 23 5
21 38 11 24 5
22 40 11 25 6
22 40 11 25 6
24 44 12 27 6
24 44 12 27 6
24 45 13 28 6

19 35 10 22 5
19 36 10 22 5
19 36 10 22 5
20 37 10 23 5
23 42 12 26 6
22 41 11 25 6
23 43 12 27 6
23 43 12 27 6
25 46 13 29 6
25 47 13 29 6
27 50 14 31 7
28 51 14 32 7
28 52 14 32 7
29 53 15 33 7
29 54 15 34 7
30 56 16 35 7
30 56 16 35 7
32 59 16 37 7
33 61 17 38 7
34 63 18 39 8
36 66 18 41 8
37 69 19 43 8
39 72 20 45 8
39 73 20 45 8

2.3
2.3
2.2
2.1
2
2
2
2
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
1.9
2
2.1
2.1
2.2
2.3
2.4
2.6

1.2
1.3
1
1.1
1.1
1.2
1.2
1.2
1.1
1.2
1.3
1.3
1.3
1.5
1.4
1.4
1.4
1.5
1.7
1.8
1.9
2
2.2
2.5

270° W W
270° W W
275° W W
270° W W
270° W W
275° W W
270° W W
275° W W
270° W W
280° W W
270° W W
280° W W
270° W W
270° W W
270° W W
270° W W
270° W W
275° W W
275° W W
280° W W
275° W W
275° W W
275° W W
275° W W

1.5
1.5
1.9
1.5
1.4
1.4
1.4
1.3
1.3
1.3
1.2
1.2
1.1
0.9
1.1
1.1
1.1
1.2
1.1
1.1
1.1
1.0
0.8
0.3

13
13
12
12
12
12
12
12
12
11
12
11
11
11
11
11
11
10
10
10
10
10
10
10

260
260
250
250
240
230
230
230
220
220
210
200
190
180
170
170
160
160
150
150
150
140
140
140

2.8
2.5
2.4
2.4
2.5
2.8
3.1
3.3
3.5
3.5
3.4
3.2
3.0
2.8
2.6
2.5
2.6
2.7
2.9
3.2
3.4
3.6
3.6
3.6

11 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53
12 53

100
90
75
60
75
70
85
75
70
80
80
80
80
65
85
90
95
100
95
100
100
100
100
100

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0

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

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
60
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
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1025
1025
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016
1015
1014

0
0
0
0
0
0
0
0
1
1
2
2
2
2
1
0
0
0
0
0
0
0
0
0

11 52
11 51
11 51
11 51
11 52
11 52
11 52
12 53
12 53
12 54
12 54
13 55
13 55
13 55
13 55
12 54
12 54
12 54
12 54
12 54
12 54
12 54
13 55
13 55

7 44
6 43
7 44
6 43
6 43
7 44
6 44
7 45
8 46
9 49
11 51
11 52
10 51
9 48
9 49
8 46
7 44
6 43
6 42
6 42
6 42
5 42
5 42
5 42

10 18 3 5 11
11 21 4 6 13
11 20 4 6 12
12 23 4 6 14
13 24 4 7 15
13 25 4 7 16
13 25 4 7 16
14 26 4 7 16
16 29 5 8 18
17 31 5 9 19
17 32 5 9 20
18 33 5 9 21
18 34 5 9 21
19 36 5 10 22
20 37 5 10 23
20 37 5 10 23
20 37 5 10 23
21 39 6 11 24
22 40 6 11 25
22 41 6 11 25
23 42 6 12 26
24 45 6 13 28
25 46 6 13 29
26 48 6 13 30

1.1
1.1
1.1
1
1
1
1
1
1
1
1.1
1.1
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.2
1.3
1.4
1.5
1.6

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

Expert opinion

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

For Port-Donnant :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Very cloudy skies with short clear spells. No precipitation. In the evening, very cloudy skies becoming totally overcast.
No precipitation. SW force 5 in the morning becoming force 6 in the evening. Gusts reaching 37 knots in the evening. Moderate sea. Low, fairly long swell from W. Excellent visibility.

Tides at Belle-Ile (Le Palais)

23

Low tide 04h32 2.39m

High tide 10h31 3.47m

Low tide 17h13 2.52m

www.shom.fr - © SHOM 2026

Consult the tides for March

Go further

Thu

12

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

Fri

13

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

Sat

14

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

Sun

15

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

Mon

16

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

Tue

17

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

Wed

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

Thu

19

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

Fri

20

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

Sat

21

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

Sun

22

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

Mon

23

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

Tue

24

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

Wed

25

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

Thu

26

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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 board sports area Port-Donnant

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Belle-Ile (Le Palais)

Go further