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)
25
20
15
10
5
0
50
40
30
20
10
0
15
10
5
0
30
20
10
0
10
5
0
0.5
0
3
0
15
10
5
0
55
50
45
40
35
Thu 14
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
Run : 13/05 00ZMesh : 1kmUpdated, 4h agoUpdate in 2h
Thu 14
20h
21h
22h
23h
00h
01h
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
45°NENE
105°EESE
185°SS
305°NWNW
305°NWNW
315°NWNW
310°NWNW
315°NWNW
325°NWNW
320°NWNW
320°NWNW
325°NWNW
325°NWNW
335°NWNNW
335°NWNNW
330°NWNNW
330°NWNNW
340°NNNW
10°NN
15°NNNE
355°NN
345°NNNW
340°NNNW
330°NWNNW
713483
713483
612373
612373
612373
611372
814493
814493
814493
713483
612373
814493
815493
713483
713483
713483
713483
815493
612373
612373
47242
814493
48252
48252
10185113
10185113
10185113
12236144
13247154
10195123
15278174
12236144
16308195
15288174
15278174
17319195
17329205
17329205
16308195
18339215
193610225
224011256
193610225
193510225
18349215
213911246
193610225
12236144
0.2
0.2
0.2
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.1
0.1
0.2
0.2
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
5°NN
20°NNNE
10°NN
20°NNNE
25°NENNE
25°NENNE
25°NENNE
25°NENNE
25°NENNE
25°NENNE
25°NENNE
30°NENNE
30°NENNE
30°NENNE
35°NENE
35°NENE
40°NENE
40°NENE
40°NENE
40°NENE
35°NENE
35°NENE
35°NENE
35°NENE
<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
3
3
3
3
4
4
4
4
4
4
4
4
4
4
4
3
4
3
3
4
3
4
4
3
6
8
9
10
25
20
20
7
20
15
20
7
7
7
8
8
8
9
9
10
10
10
10
10
1153
1152
1151
1050
1151
1152
1151
1253
1253
1253
1253
1152
1152
1151
1051
1050
1151
1151
1152
1253
1253
1253
1253
1253
100
60
5
45
45
65
50
80
75
90
75
90
70
70
75
90
75
95
100
90
85
75
75
85
0
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.6
0.6
0.4
0.3
0.2
0.1
0.2
-
-
-
-
-
-
-
35
50
50
0
0
0
0
20
0
0
0
25
30
40
45
55
60
65
65
70
65
65
55
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
>20
15
10
5
5
4
10
5
5
4
4
10
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
1000
1000
1000
1001
1001
1000
1001
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
3
2
1
2
2
1
1
0
948
847
846
642
542
541
541
540
541
540
541
642
744
846
949
1050
1151
1051
1049
1050
1151
1050
949
1049
643
642
541
438
338
337
236
236
236
236
337
438
542
846
1051
1253
1253
1050
1050
1151
1254
1049
1049
1049
814349
10193512
13254716
18345921
193551022
16305819
17325920
14264716
15284817
14264716
12224614
13244715
12234614
16295818
13244715
10183511
12224614
16305819
15274817
14264716
13244715
12234614
13254716
16295818
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.7
0.7
0.7
0.8
0.8
0.8
0.9
0.9
0.9
0.8
0.8
0.9
0.9
Forecasts established for the approach to the port, up to 1 mile from the coast, in local time CaptionGlossary
Expert opinion
A northwesterly, moderate and very variable flow prevails over the whole area.
For Boston Marina : No gale warning.
The reliability of the situation is very good.
In the evening, clear periods developing. Light showers. NW wind force 3. Gusts reaching 12 knots in the evening. Smooth sea. Low, short swell from WNW. Poor visibility.
semaphore stations
Station Holbeach RAF Range USAF MET located 17 km from Boston 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