Amount of precipitationAmount of precipitation(mm)
Type of precipitationType of precipitation
Risks:
Precipitation riskPrecipitation risk(%)
Storm risk.(%)
Brightness:
Visibility(km)
Pressure(hPa)
UV
Temperature
Air tempAir temp
Perceived temp
Air temp
Perceived temp
Offshore
Offshore wind
Offshore sea(m)
15
10
5
0
25
20
15
10
5
10
5
0
15
10
5
0
5
0
0.5
0
3
0
30
20
10
0
80
70
60
50
40
30
Fri 8
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
Run : 7/05 00ZMesh : 1kmUpdated, 3h agoUpdate in 3h
Fri 8
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
100°EE
100°EESE
115°SEESE
110°EESE
115°SEESE
110°EESE
110°EESE
110°EESE
105°EESE
90°EE
80°EE
80°EENE
65°NEENE
55°NENE
45°NENE
60°NEENE
65°NEENE
70°EENE
70°EENE
70°EENE
75°EENE
70°EENE
75°EENE
85°EE
47242
47242
510362
59362
510362
48252
47242
47242
36242
48252
48252
47242
36242
36242
36242
47242
47242
48252
48252
48252
59362
59362
510362
510362
815493
9175113
11216134
11216134
12236144
12226144
10195123
10185113
9175113
9175113
10185113
9175113
612373
611372
713483
814493
814493
814493
814493
815493
815493
9164103
9175113
10195123
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.2
0.2
0.2
0.2
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
285°WWNW
290°WWNW
290°WWNW
285°WWNW
285°WWNW
285°WWNW
290°WWNW
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
<0.1
0.1
0.1
0.1
0.1
0.1
6
6
6
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
4
5
5
5
6
6
25
30
30
30
30
30
30
30
50
30
50
50
50
20
20
20
15
10
7
10
10
10
10
10
1558
1558
1559
1559
1660
1661
1662
1762
1762
1763
1763
1763
1559
1559
1559
1558
1762
1662
1661
1661
1660
1660
1560
1559
0
0
50
50
55
45
45
45
40
30
15
10
10
5
5
5
0
0
0
0
0
0
20
5
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
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
15
10
10
10
10
5
10
15
>20
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1012
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
2
3
4
5
5
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1558
1560
1661
1763
1864
1965
1966
1967
1967
1966
1865
1661
1457
1355
1253
1151
1050
949
947
847
846
643
846
1254
1865
2069
2067
2271
2272
2373
2374
2373
2170
2068
1864
1559
1355
1152
1051
948
847
846
745
744
643
439
744
1254
47224
47224
611237
48225
35113
35113
47224
510236
612337
815349
9173511
10183511
10193512
11204612
10183511
9163410
9163410
9173511
10183511
10183511
10193512
10193512
10183511
9173511
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.4
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time CaptionGlossary
Expert opinion
A northerly and very variable flow prevails over the whole area.
For Marans : No gale warning.
We are 75% sure of the situation, because the atmosphere might not be as stable as forecast.
Sunny becoming changeable in the afternoon.The risk of seeing rain will remain low.In the evening, light cloudy spells. ESE wind force 2 continuing all day. Gusts reaching 12 knots in the middle of the day. Rippled sea. Low, short swell from WNW. Good visibility becoming excellent in the middle of the day then excellent.
semaphore stations
Station La Rochelle-Ile De Re located 21 km from Marans
* +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