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

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

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

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

Sun

01

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

BULLETIN

(established in local time)

Reliability 95%

No gale warning.

Sunday 18 may

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)

25

20

15

10

5

50

40

30

20

10

15

10

5

0

30

25

20

15

10

5

10

5

0

1

0.5

3

0

25

20

15

10

5

80

70

60

50

40

Mon 19

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

80° E ENE
80° E E
75° E ENE
75° E ENE
70° E ENE
70° E ENE
50° NE NE
45° NE NE
45° NE NE
50° NE NE
45° NE NE
45° NE NE
55° NE NE
60° NE ENE
60° NE ENE
60° NE ENE
60° NE ENE
55° NE ENE
55° NE NE
55° NE NE
50° NE NE
50° NE NE
50° NE NE
45° NE NE

10 19 5 12 3
9 16 4 10 3
8 14 4 9 3
8 14 4 9 3
8 15 4 9 3
8 15 4 9 3
7 13 4 8 3
7 13 4 8 3
7 13 4 8 3
9 17 5 11 3
11 21 6 13 4
12 23 6 14 4
14 26 7 16 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
13 24 7 15 4
13 24 7 15 4
13 25 7 16 4
13 25 7 16 4
13 24 7 15 4
12 23 6 14 4
12 22 6 14 4
12 22 6 14 4

18 33 9 21 5
16 29 8 18 5
14 26 7 16 4
12 22 6 14 4
13 24 7 15 4
13 25 7 16 4
13 24 7 15 4
11 21 6 13 4
11 21 6 13 4
13 25 7 16 4
17 32 9 20 5
18 34 9 21 5
22 40 11 25 6
22 40 11 25 6
20 37 10 23 5
19 36 10 22 5
19 36 10 22 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
19 36 10 22 5
20 37 10 23 5
20 37 10 23 5
19 35 10 22 5

0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7

1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.4
1.5
1.4
1.4
1.4
1.3

0.1
0.1
0.1
0
0
0
0
0
0
0.1
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3
0.3
0.2

255° W WSW
255° W WSW
260° W WSW
260° W WSW
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
260° W W
265° W W
270° W W
270° W W
265° W W
265° W W
265° W W
260° W W
260° W W
265° W W
260° W W
260° W W
260° W W

0.8
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6

10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9

170
160
160
160
160
160
160
160
160
160
160
140
130
120
120
120
120
120
120
110
110
120
120
120

2.0
1.9
2.0
2.4
2.9
3.5
4.0
4.2
4.2
3.8
3.3
2.7
2.2
1.8
1.8
2.0
2.5
3.0
3.6
3.9
3.9
3.7
3.4
2.9

15 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
16 60
15 60
15 60
15 60
15 60
15 59
15 59
15 59
15 59
15 60
15 60

5
10
10
10
15
25
30
35
15
15
20
5
5
5
5
5
5
10
30
15
45
45
40
30

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
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20

1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1015
1014

7
6
5
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
5

18 65
19 66
19 66
19 67
19 67
19 66
18 65
18 64
17 63
17 62
16 61
16 60
16 60
15 59
15 58
14 58
14 57
14 57
14 58
15 59
15 60
16 61
18 64
19 65

24 74
23 73
22 72
22 71
20 68
19 65
17 63
15 60
14 58
13 56
12 54
12 53
11 51
11 51
10 50
10 50
10 49
10 49
10 51
12 54
13 56
15 59
19 65
21 70

7 13 3 4 8
5 10 2 3 6
3 5 1 1 3
3 6 2 2 4
4 7 2 2 4
5 10 2 3 6
6 12 3 3 7
8 15 3 4 9
9 17 3 5 11
13 24 4 7 15
15 27 4 8 17
17 31 5 9 19
18 34 5 9 21
18 34 5 9 21
18 33 5 9 21
17 32 5 9 20
17 31 5 9 19
17 31 5 9 19
17 32 5 9 20
16 30 5 8 19
16 29 5 8 18
14 26 4 7 16
12 22 4 6 14
9 17 3 5 11

0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.4

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

Expert opinion

A northerly and mostly variable flow prevails over the North-East of the basin. Over the South and the West, it is easterly, moderate and mostly variable.

For Port-Donnant :
No gale warning.

The reliability of the situation is assessed at 95%.

Skies gradually hazing over. No precipitation. In the evening, light cloudy spells.
E force 4 in the middle of the day turning NE force 3 in the evening. Gusts reaching 21 knots in the middle of the day. Slight sea. Low, fairly long swell from WSW. Excellent visibility.

Tides at Belle-Ile (Le Palais)

54

Low tide 02h54 1.61m

High tide 08h39 4.11m

50

Low tide 15h10 1.85m

High tide 21h12 4.25m

www.shom.fr - © SHOM 2025

Consult the tides for May

Sun

18

-

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

Mon

19

-

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

Tue

20

-

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

Wed

21

-

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

Thu

22

-

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

Fri

23

-

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

Sat

24

-

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

Sun

25

-

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

Mon

26

-

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

Tue

27

-

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

Wed

28

-

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

Thu

29

-

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

Fri

30

-

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

Sat

31

-

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

Sun

01

-

- 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)