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)
40
30
20
10
80
70
60
50
40
30
20
20
15
10
5
50
40
30
20
10
10
5
5
0
3
0
20
15
10
5
65
60
55
50
45
Thu 4
17h
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
Run : 3/06 00ZMesh : 1kmUpdated, 4h agoUpdate in 2h
Thu 4
17h
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
250°WWSW
255°WWSW
250°WWSW
250°WWSW
260°WW
260°WW
265°WW
265°WW
265°WW
265°WW
265°WW
265°WW
265°WW
265°WW
270°WW
244412276
213911246
17319195
16308195
16308195
17319195
17319195
16298185
16308195
17319195
17329205
17329205
18339215
17329205
18339215
17319195
18339215
16308195
18349215
193510225
193510225
193510225
193610225
193510225
325916377
325916377
336117387
326017377
315816367
315816367
315816367
315716357
315716357
336117387
336117387
336217398
346318398
366719428
356518408
346318398
366618418
356418408
366719428
376819428
376819428
376919438
376919438
387019438
1.5
1.6
1.6
1.6
1.6
1.6
1.7
1.7
1.8
1.8
1.8
1.9
1.8
1.8
1.8
1.8
1.8
1.9
2
2
2
2
2
1.9
1.5
1.5
1.5
1
1
1
1.2
1.7
1.4
1.2
1.3
1.3
1.4
1.3
1.2
1.2
1.2
1.3
1.4
1.4
1.4
1.4
1.4
1.4
185°SS
185°SS
185°SS
190°SS
185°SS
185°SS
185°SS
120°SEESE
190°SS
185°SS
185°SS
185°SS
185°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
190°SS
0.4
0.4
0.3
1.1
1.1
1.1
1.1
0.1
0.9
1.2
1.2
1.2
1.2
1.2
1.3
1.2
1.3
1.2
1.3
1.3
1.3
1.3
1.3
1.3
7
7
8
8
8
10
10
10
8
8
8
8
7
7
9
9
9
10
10
10
10
10
10
10
70
80
80
90
90
90
90
80
90
90
90
80
80
90
100
110
110
120
120
130
130
130
130
130
4.0
4.7
5.0
4.9
4.4
3.7
2.9
2.2
1.7
1.6
1.9
2.6
3.5
4.3
4.7
4.7
4.4
3.8
3.1
2.5
2.0
1.9
2.1
2.7
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1762
1763
1763
1763
100
100
85
85
95
100
100
100
100
100
100
100
100
85
100
100
75
85
60
65
80
70
85
85
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0
0
0
0
0.1
0
-
-
-
-
-
-
-
-
-
40
45
20
0
0
0
0
0
0
0
0
0
25
40
55
55
65
55
45
35
40
45
55
45
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
1011
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
4
5
3
3
1864
1864
1763
1763
1763
1762
1762
1762
1762
1762
1661
1661
1661
1660
1660
1660
1560
1660
1662
1762
1762
1763
1763
1762
1051
1151
1355
1355
1254
1253
1153
1253
1152
1152
1151
1151
1051
1050
1050
1051
1051
1253
1457
1660
1662
1762
1762
1762
234361227
234261226
224061125
224061125
224061125
224161125
213961124
213851124
224061125
234361227
234361227
244461227
244561328
244561328
254661329
254761329
254661329
254661329
254761329
254761329
254661329
254761329
254761329
254661329
1.2
1.2
1.2
1.3
1.3
1.4
1.4
1.5
1.5
1.4
1.4
1.4
1.4
1.5
1.5
1.6
1.7
1.8
1.9
1.9
1.9
1.9
1.8
1.8
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time CaptionGlossary
Expert opinion
A westerly, strong and very variable flow prevails over the whole area.
For Pornichet : Warning moderate gale.
The reliability of the situation is assessed at 85%.
Overcast skies.Chance of light rain.In the evening, very cloudy skies becoming totally overcast. Possibility of showers W force 7 in the middle of the day becoming WSW force 6 in the evening. Gusts reaching 38 knots in the middle of the day. Moderate sea. Low, short swell from S. Excellent visibility.
semaphore stations
Station Pte De Chemoulin located 5 km from Pornichet
* +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