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

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

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

-

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

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

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

BULLETIN

(established in local time)

Reliability 90%

Wind alert - Warning strong breeze offshore.

Tuesday 9 september

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

0

20

15

10

5

0

40

30

20

10

0

10

5

0

5

0

3

0

20

15

10

70

65

60

55

50

Wed 10

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

255° W WSW
240° SW WSW
230° SW SW
225° SW SW
220° SW SW
210° SW SSW
210° SW SSW
205° SW SSW
200° S SSW
205° SW SSW
200° S SSW
200° S SSW
195° S SSW
195° S SSW
200° S SSW
195° S SSW
190° S S
190° S S
185° S S
200° S SSW
200° S SSW
210° SW SSW
225° SW SW
255° W WSW

5 9 3 6 2
5 10 3 6 2
6 12 3 7 3
7 13 4 8 3
8 15 4 9 3
8 14 4 9 3
9 16 4 10 3
10 18 5 11 3
10 19 5 12 3
12 23 6 14 4
13 24 7 15 4
13 25 7 16 4
15 27 8 17 4
15 27 8 17 4
16 29 8 18 5
16 29 8 18 5
16 29 8 18 5
16 30 8 19 5
17 31 9 19 5
13 25 7 16 4
16 29 8 18 5
15 28 8 17 4
12 23 6 14 4
12 23 6 14 4

9 16 4 10 3
8 15 4 9 3
9 17 5 11 -
10 19 5 12 -
12 23 6 14 4
12 23 6 14 4
12 23 6 14 4
15 27 8 17 4
15 28 8 17 4
17 32 9 20 5
18 34 9 21 5
19 36 10 22 5
21 38 11 24 5
22 40 11 25 6
23 42 12 26 6
23 43 12 27 6
24 44 12 27 6
24 45 13 28 6
27 50 14 31 7
29 54 15 34 7
28 52 14 32 7
26 49 14 30 6
25 46 13 29 6
23 42 12 26 6

- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
- - - - -
>25 >50 >14 >30 >7
>25 >50 >14 >30 >7
- - - - -
>30 >55 >16 >35 >7
>30 >55 >16 >35 >7
>30 >55 >16 >35 >7
>30 >60 >17 >35 >7

1.2
1.3
1.3
1.3
1.2
1.1
1
0.8
0.8
0.8
0.9
1.1
1.2
1.3
1.4
1.5
1.5
1.5
1.3
1.6
1.7
1.8
1.5
1.7

2.3
2.4
2.4
2.3
2.2
2.1
1.8
1.6
1.6
1.5
1.7
2
2.3
2.4
2.6
2.7
2.8
2.7
2.5
2.9
3.2
3.2
2.8
3.2

0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.3
0.3
0.3
0.4
0.5
0.6
0.6
0.7
0.8
1.1
1
1
1.2
1.4
1.5
1.2
1

270° W W
270° W W
270° W W
270° W W
265° W W
270° W W
270° W W
245° SW WSW
255° W WSW
255° W WSW
275° W W
270° W W
270° W W
270° W W
270° W W
270° W W
275° W W
275° W W
270° W W
250° W WSW
230° SW SW
230° SW SW
220° SW SW
265° W W

1.2
1.3
1.3
1.2
1.2
1.1
0.9
0.8
0.7
0.7
0.8
0.9
1.1
1.2
1.2
1.2
1.1
1.0
0.9
0.8
0.8
0.9
0.9
1.4

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

130
140
140
140
140
140
130
120
120
110
110
110
100
80
80
90
90
90
90
90
100
90
90
110

2.4
3.7
4.7
5.2
5.1
4.4
3.4
2.2
1.2
0.6
0.6
1.2
2.3
3.6
4.7
5.4
5.5
4.9
3.9
2.6
1.4
0.6
0.3
0.7

18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64
18 64

0
40
70
40
60
65
70
95
80
90
100
85
90
90
95
95
95
100
100
100
95
95
100
55

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1.2
1.3
0.8
0.6
0

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

35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
40
50
50
65
65
55
40

15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010

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

15 59
15 59
15 59
15 59
16 60
16 60
17 62
18 64
18 64
18 65
19 65
18 65
18 65
19 65
19 65
18 65
18 64
18 64
17 63
17 63
17 62
17 62
17 62
17 63

14 56
13 55
13 55
13 55
13 55
13 55
14 57
15 59
16 61
16 61
16 61
17 63
15 59
16 61
15 59
14 57
13 56
12 54
12 53
13 55
12 53
12 53
13 55
13 55

6 11 2 3 7
7 13 3 4 8
6 12 3 3 7
6 12 3 3 7
8 14 3 4 9
8 15 3 4 9
9 17 3 5 11
10 19 3 5 12
12 23 4 6 14
13 24 4 7 15
13 24 4 7 15
15 28 4 8 17
16 30 5 8 19
17 31 5 9 19
17 31 5 9 19
17 31 5 9 19
18 33 5 9 21
18 34 5 9 21
19 36 5 10 22
22 40 6 11 25
18 34 5 9 21
18 33 5 9 21
15 28 4 8 17
12 22 4 6 14

0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.6
0.7
0.7
0.8
0.8
0.9
1
1.1
1.1
1.1
1.1
1
0.9

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

Expert opinion

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

For Port-Donnant :
Warning strong breeze offshore.

The reliability of the situation is assessed at 90%.

Sun but cloud increasing in the morning, very cloudy skies to overcast in the afternoon. No precipitation. In the evening, overcast skies with risk of thundery outbreaks.
Showers towards the end of the night. SSW force 3 in the morning freshening force 5 in the middle of the day. Gusts reaching 29 knots in the evening. Slight sea becoming moderate in the evening. Low, fairly long swell from W. Excellent visibility.

Tides at Belle-Ile (Le Palais)

104

Low tide 00h17 0.4m

High tide 06h20 5.24m

106

Low tide 12h34 0.49m

High tide 18h36 5.53m

www.shom.fr - © SHOM 2025

Consult the tides for September

Tue

09

-

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

Wed

10

-

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

Thu

11

-

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

Fri

12

-

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

Sat

13

-

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

Sun

14

-

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

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

* +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)