Weather L'Île aux Moines - Port-Blanc - Detailed bulletin - Free 15-day Marine forecasts

Ile-aux-Moines FRALongitude : -2°51’,498 W Latitude : 47°36’,198 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

-

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

BULLETIN

(established in local time)

Reliability 85%

Wind alert - Warning strong breeze offshore.

Monday 15 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)

40

30

20

10

0

60

50

40

30

20

10

0

20

15

10

5

0

40

30

20

10

0

10

5

0

1.5

1

0.5

0

3

0

20

15

10

65

60

55

50

Tue 16

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

265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
265° W W
270° W W
270° W W
270° W W
270° W W
270° W W
275° W W
270° W W
275° W W
275° W W
275° W W
275° W W
275° W W
280° W WNW
285° W WNW
280° W W

15 28 8 17 4
18 34 9 21 5
18 34 9 21 5
18 34 9 21 5
19 35 10 22 5
20 37 10 23 5
21 38 11 24 5
19 36 10 22 5
18 34 9 21 5
17 32 9 20 5
15 27 8 17 4
12 23 6 14 4
11 21 6 13 4
10 19 5 12 3
10 19 5 12 3
10 19 5 12 3
10 18 5 11 3
9 16 4 10 3
9 16 4 10 3
8 15 4 9 3
7 13 4 8 3
6 11 3 7 2
4 8 2 5 2
4 7 2 4 2

25 46 13 29 6
29 54 15 34 7
29 54 15 34 7
31 57 16 35 7
31 58 16 36 7
31 57 16 35 7
32 59 16 37 7
31 58 16 36 7
30 56 16 35 7
29 54 15 34 7
28 51 14 32 7
25 47 13 29 6
22 40 11 25 6
20 37 10 23 5
19 35 10 22 5
19 35 10 22 5
17 32 9 20 5
14 26 7 16 4
14 26 7 16 4
13 25 7 16 4
12 23 6 14 4
11 21 6 13 4
9 17 5 11 3
8 14 4 9 3

0.6
0.7
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
0.5
0.5
0.5
1
1
0.9
0.9
0.9

1.2
1.2
1.3
1.3
1.3
1.3
1.2
1.2
1.2
1.2
1.1
1.1
1.1
1.1
1.1
1.1
1
1
1
1.9
1.8
1.8
1.8
1.7

0.4
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.2
0.4
0.3
0.4
0.3
0.4

235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW SW
235° SW WSW
235° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW

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
0.5
0.5
0.5
0.5
0.5
0.5
0.9
0.9
0.9
0.8
0.8

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

35
35
35
40
40
40
40
45
45
45
45
50
50
50
60
60
60
60
60
120
130
130
130
130

1.4
1.8
2.2
2.3
2.4
2.2
1.8
1.4
1.0
0.8
0.7
0.8
1.1
1.4
1.7
2.0
2.2
2.1
1.9
1.6
1.3
1.0
0.8
0.8

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

90
85
75
90
40
50
45
50
75
30
55
80
75
80
75
30
60
70
70
65
65
35
80
65

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
25
25
25
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
15
15
>20

1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024

0
1
2
2
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

16 61
17 63
18 64
18 64
18 64
18 64
18 64
18 64
18 64
17 62
16 61
16 60
16 60
15 59
15 59
15 59
15 59
15 58
14 58
14 57
14 57
14 57
14 57
15 58

12 53
14 57
15 60
16 61
16 61
17 62
17 62
15 60
14 58
13 55
12 53
11 52
12 53
12 53
11 52
11 52
11 52
11 53
11 52
11 52
11 52
12 53
12 54
14 56

21 38 5 11 24
23 42 6 12 26
22 41 6 11 25
23 43 6 12 27
24 44 6 12 27
24 44 6 12 27
24 44 6 12 27
24 45 6 13 28
24 44 6 12 27
23 42 6 12 26
22 41 6 11 25
21 39 6 11 24
20 37 5 10 23
19 35 5 10 22
19 35 5 10 22
18 34 5 9 21
17 32 5 9 20
17 32 5 9 20
16 30 5 8 19
16 30 5 8 19
16 29 5 8 18
15 27 4 8 17
13 24 4 7 15
12 23 4 6 14

1.4
1.4
1.5
1.6
1.7
1.7
1.7
1.7
1.6
1.5
1.5
1.4
1.4
1.4
1.3
1.3
1.4
1.4
1.4
1.2
1.2
1.1
1.1
1.1

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 18min ago | Next update in 3h
Caption

Expert opinion

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

For L"Île aux Moines - Port-Blanc :
Warning strong breeze offshore.

We are 85% sure of the situation, because the atmosphere might not be as stable as forecast.

Very cloudy. But clear spells will become more and more widespread. The risk of seeing rain will remain low. In the evening, good clear periods but cloud building.
No precipitation. W wind force 5 continuing all day. Gusts reaching 32 knots in the middle of the day. Slight sea. Low, fairly long swell from SW. Excellent visibility.

Tides at Arradon

49

High tide 00h52 2.33m

Low tide 07h02 0.66m

43

High tide 13h33 2.38m

Low tide 19h49 0.72m

www.shom.fr - © SHOM 2025

Consult the tides for September

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 port L'Île aux Moines - Port-Blanc

BULLETIN

Wind

Waves

Weather

Temperature

Offshore

Expert opinion

Tides at Arradon