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

Ile-aux-Moines FRALon : -2°51’,498 W Lat : 47°36’,198 N Alt : 0m

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BULLETIN

(* established in local time)

Reliability 85%

Wind alert - Warning fresh gale offshore.

Tuesday 20 jan

METEO CONSULT Run : 19/01 02Z Mesh : 1km Updated, 32min ago Update in 5h

Wind

Average winds

Gusts

10m above ground level:

Direction

Speed

Gusts

Waves

Total sea (m) (m)

Swell (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 (%)

Storm risk.(%)

Visibility(km)

Pressure(hPa)

UV

Temperature

Air temp

Perceived temp

Air temp

Perceived temp

Offshore

Offshore wind

Offshore sea (m)

50

40

30

20

10

0

90

80

70

60

50

40

30

20

10

30

20

10

0

60

50

40

30

20

10

0

10

5

0

5

0

9

6

3

0

15

10

5

0

55

50

45

40

35

                                    
                                                                         Wed 21
                                                            
                    05h
                
                    06h
                
                    07h
                
                    08h
                
                    09h
                
                    10h
                
                    11h
                
                    12h
                
                    13h
                
                    14h
                
                    15h
                
                    16h
                
                    17h
                
                    18h
                
                    19h
                
                    20h
                
                    21h
                
                    22h
                
                    23h
                
                    00h
                
                    01h
                
                    02h
                
                    03h
                
                    04h
                
                        Run : 19/01 02Z
                Mesh : 1km
                Updated, 32min ago
                Update in 5h

Wed 21

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

185° S S
180° S S
175° S S
170° S S
165° S SSE
175° S S
175° S S
170° S S
170° S S
170° S S
175° S S
180° S S
195° S SSW
210° SW SSW
200° S SSW
210° SW SSW
215° SW SW
230° SW SW
215° SW SW
205° SW SSW
195° S SSW
180° S S
185° S S
180° S S

11 20 6 12 4
12 23 6 14 4
13 25 7 16 4
17 32 9 20 5
18 34 9 21 5
22 40 11 25 6
23 43 12 27 6
23 42 12 26 6
25 47 13 29 6
26 49 14 30 6
26 49 14 30 6
27 50 14 31 7
22 40 11 25 6
17 32 9 20 5
13 25 7 16 4
12 23 6 14 4
10 18 5 11 3
9 16 4 10 3
7 13 4 8 3
8 14 4 9 3
6 11 3 7 2
7 13 4 8 3
10 18 5 11 3
13 24 7 15 4

18 33 9 21 5
21 39 11 24 6
23 42 12 26 6
29 53 15 33 7
30 56 16 35 7
34 63 18 39 8
37 68 19 42 8
36 66 18 41 8
40 74 21 46 8
42 77 21 48 9
43 80 22 50 9
44 81 23 50 9
44 81 23 50 9
36 67 19 42 8
28 52 14 32 7
23 43 12 27 6
21 39 11 24 6
18 33 9 21 5
14 26 7 16 4
12 22 6 14 4
12 22 6 14 4
11 21 6 13 4
16 30 8 19 5
22 41 11 25 6

1
1.1
1.3
1.5
1.7
1.9
2
2.1
2.2
2.3
2.5
2.7
2.8
3
2.7
2.3
2.2
1.9
1.8
1.6
1.5
1.5
1.4
1.3

1.9
2.1
2.4
2.7
3.1
3.4
3.6
3.7
3.9
4.2
4.5
4.8
5
5.4
4.9
4.1
3.9
3.4
3.2
3
2.8
2.6
2.5
2.5

0.4
0.7
0.9
1.2
1.5
1.7
1.6
2
1.8
2
2.2
2.6
2.7
0.3
0.4
0.1
0.2
0.1
0.1
0.2
0.2
0.2
0.3
0.1

235° SW SW
240° SW WSW
240° SW WSW
240° SW WSW
240° SW WSW
235° SW SW
235° SW SW
230° SW SW
235° SW SW
230° SW SW
230° SW SW
225° SW SW
225° SW SW
200° S SSW
200° S SSW
205° SW SSW
205° SW SSW
210° SW SSW
210° SW SSW
210° SW SSW
215° SW SW
215° SW SW
215° SW SW
220° SW SW

0.9
0.9
0.9
0.9
1.0
0.7
1.1
0.7
1.2
1.2
1.2
0.5
0.5
3.0
2.7
2.3
2.2
1.9
1.7
1.6
1.5
1.4
1.4
1.3

14
14
14
14
13
12
12
11
11
11
11
11
11
8
9
9
9
10
10
10
10
10
10
10

230
180
130
100
80
80
90
90
90
90
90
90
100
110
120
140
140
150
160
160
170
170
170
170

1.9
2.5
2.8
2.9
2.6
2.1
1.4
0.8
0.4
0.3
0.4
0.9
1.5
2.1
2.5
2.7
2.5
2.1
1.5
0.9
0.4
0.3
0.4
0.8

9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49
9 49

0
65
35
95
95
100
100
90
100
100
100
100
100
100
100
100
90
90
85
90
90
100
100
100

0
0
0
0
0
0
0
0
0
0
1.7
2.3
2.5
2.6
1.3
0.5
0
0
0
0
0
0
0
0.5

-
-
-
-
-
-
-
-

0
0
0
0
0
0
0
0
30
45
65
90
90
90
80
60
30
25
20
20
20
25
40
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

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

1013
1011
1011
1010
1010
1009
1009
1008
1007
1005
1004
1003
1003
1003
1003
1003
1003
1003
1002
1002
1001
1000
1000
998

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

8 46
8 47
8 47
9 48
9 48
10 50
10 51
11 51
11 51
11 51
10 50
10 50
9 48
9 47
9 47
9 48
9 47
8 46
7 45
8 46
8 46
8 46
9 48
9 48

4 40
4 39
4 38
3 38
3 37
4 39
4 39
5 41
5 40
4 39
3 37
2 36
2 36
3 37
4 39
4 40
5 41
5 40
5 41
5 41
6 42
6 42
5 41
5 40

17 32 5 9 20
20 37 5 10 23
22 41 6 11 25
26 49 6 14 30
27 50 7 14 31
30 56 7 16 35
31 58 7 16 36
31 57 7 16 35
35 64 8 18 40
35 65 8 18 40
35 65 8 18 40
33 61 7 17 38
28 51 7 14 32
25 46 6 13 29
19 36 5 10 22
16 30 5 8 19
15 27 4 8 17
13 25 4 7 16
12 22 4 6 14
11 20 4 6 12
11 21 4 6 13
12 23 4 6 14
18 33 5 9 21
19 35 5 10 22

1.2
1.3
1.4
1.6
1.8
1.9
2
2.1
2.2
2.2
2.3
2.2
2
1.8
1.7
1.7
1.7
1.7
1.6
1.5
1.5
1.7
1.8
1.9

Forecasts established for the approach to the port, up to 1 mile from the coast, in local time
Last updated 1h ago | Next update in 2h
Caption

Expert opinion

A southeasterly, very strong and variable flow prevails over the East of the basin. Over the West, it is westerly, strong and mostly variable.

For L"Île aux Moines - Port-Blanc :
Warning fresh gale offshore.

The reliability of the situation is assessed at 85%.

Sun but cloud increasing in the morning, overcast skies in the afternoon. No precipitation in the morning, rain in late afternoon. In the evening, very cloudy skies to overcast.
Showers becoming less frequent. SSE force 6 becoming S force 7 in the middle of the day then SSW force 5. Gusts reaching 44 knots in the middle of the day. Moderate sea becoming rough in the middle of the day. Low, fairly long swell from SW then moderate in the evening. Excellent visibility becoming good in the evening.

Tides at Arradon

81

Low tide 01h30 0.28m

High tide 07h39 2.89m

83

Low tide 13h56 0.25m

High tide 19h56 2.67m

www.shom.fr - © SHOM 2026

Consult the tides for January

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Tue

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* +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

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