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)
30
20
10
0
60
50
40
30
20
10
15
10
5
0
40
30
20
10
0
10
5
0
1.5
1
0.5
3
0
15
10
5
0
-5
60
50
40
30
Tue 21
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
Run : 20/04 00ZMesh : 1kmUpdated, 2h agoUpdate in 4h
Tue 21
18h
19h
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
110°EESE
100°EE
90°EE
80°EE
70°EENE
65°NEENE
55°NENE
60°NEENE
60°NEENE
50°NENE
50°NENE
50°NENE
50°NENE
50°NENE
55°NENE
60°NEENE
65°NEENE
75°EENE
85°EE
90°EE
85°EE
85°EE
95°EE
100°EE
15288174
13257164
11206124
611372
510362
9164103
9164103
10185113
11216134
10195123
13257164
14267164
16298185
16308195
17319195
17319195
17319195
16308195
17319195
16298185
17319195
17319195
18349215
18339215
203710235
18339215
15288174
9175113
9175113
12236144
13257164
15288174
17329205
16298185
203710235
224011256
234312276
244513286
254713296
254713296
254613296
254613296
264813306
254613296
264813306
275014317
275014317
285114327
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.9
0.9
0.9
0.9
1
1
1
1.1
1.1
1.1
1.1
1.2
1.2
1.3
0.1
0.2
0.2
0.2
0.2
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.4
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.8
125°SESE
125°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
120°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
115°SEESE
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.7
0.7
0.7
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.7
0.6
5
5
5
5
5
5
5
5
5
6
6
6
6
6
6
6
7
7
6
6
6
6
6
6
110
100
100
100
100
100
140
90
90
90
90
100
100
100
100
100
110
110
110
110
110
110
110
110
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
1152
0
0
15
10
25
25
20
20
25
20
10
15
15
25
25
30
20
35
45
50
60
40
45
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
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
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4
4
3
3
2
1
1253
1253
1152
1151
1151
846
846
745
744
847
642
541
541
541
744
847
1050
1152
1253
1355
1356
1456
1456
1355
949
847
846
947
947
541
540
439
337
541
134
032
031
032
337
542
947
1152
1253
1355
1355
1355
1254
1151
16295818
15284817
13254716
10193512
11204612
12234614
12234614
14264716
17315919
15284817
18335921
18345921
193651022
193651022
193651022
193651022
193651022
203751023
203751023
193651022
193551022
193551022
213851124
213851124
0.8
0.7
0.7
0.7
0.7
0.7
0.8
0.9
1
1
1.1
1.1
1.2
1.2
1.2
1.2
1.3
1.3
1.3
1.3
1.3
1.4
1.5
1.6
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time CaptionGlossary
Expert opinion
An easterly, moderate and very variable flow prevails over the whole area.
For Portland Marina : No gale warning.
The reliability of the situation is very good.
In the evening, light cloudy spells. E wind force 4. Gusts reaching 20 knots in the evening. Slight sea. Low, short swell from SE. Excellent visibility.
semaphore stations
Station Portland Bill / LH located 6 km from Portland Marina
* +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