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
0
70
60
50
40
30
20
10
20
15
10
5
0
50
40
30
20
10
0
10
5
0
1
0.5
0
3
0
20
15
10
5
70
65
60
55
50
45
Fri 5
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h
21h
22h
23h
00h
01h
Run : 3/06 00ZMesh : 1kmUpdated, 9h agoUpdate imminent
Fri 5
02h
03h
04h
05h
06h
07h
08h
09h
10h
11h
12h
13h
14h
15h
16h
17h
18h
19h
20h
21h
22h
23h
00h
01h
245°SWWSW
245°SWWSW
250°WWSW
245°SWWSW
255°WWSW
260°WW
260°WW
265°WW
265°WW
260°WW
265°WW
265°WW
270°WW
270°WW
270°WW
270°WW
275°WW
275°WW
275°WW
280°WW
280°WW
280°WWNW
280°WWNW
285°WWNW
17329205
17319195
13257164
15288174
13257164
13247154
13257164
15278174
15288174
16298185
16308195
15288174
15288174
16298185
16298185
16298185
16298185
15288174
14267164
13247154
11216134
10195123
9164103
814493
264914306
285214327
305616357
315716357
336117387
305515347
295415347
336117387
326017377
346318398
356418408
356518408
346318398
356518408
356418408
346318398
346318398
336217398
326017377
295415347
275014317
234312276
213911246
18349215
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.6
0.6
0.6
0.6
0.5
0.5
0.5
0.5
0.5
0.6
0.6
0.6
0.4
0.4
0.5
0.5
0.4
0.4
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.1
0.1
220°SWSW
220°SWSW
220°SWSW
220°SWSW
225°SWSW
225°SWSW
225°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
220°SWSW
225°SWSW
225°SWSW
230°SWSW
225°SWSW
225°SWSW
220°SWSW
225°SWSW
225°SWSW
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.5
0.5
0.5
7
7
7
8
7
8
8
8
8
8
7
8
8
9
9
8
8
9
10
8
7
8
8
10
70
70
70
50
50
50
70
80
70
90
90
110
110
110
90
90
110
130
150
160
170
160
170
180
1.7
1.9
2.7
3.6
4.5
5.0
5.0
4.6
4.1
3.4
2.7
2.2
1.9
2.1
2.7
3.6
4.5
5.1
5.2
4.9
4.4
3.7
2.9
2.3
1966
1967
1967
1966
1966
1965
1865
1864
1864
1864
1865
1965
1967
2068
2068
2068
2067
1966
1965
1865
1864
1864
1865
1965
100
100
100
100
100
80
90
70
75
80
80
80
75
65
70
60
50
50
25
15
15
15
35
30
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-
-
-
-
-
-
-
-
-
85
30
25
35
30
30
0
30
30
30
30
35
40
35
25
25
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
10
15
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
>20
1008
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1014
1015
1015
0
0
0
0
0
0
0
1
2
2
3
3
4
4
3
3
2
1
0
0
0
0
0
0
1661
1660
1661
1661
1660
1560
1660
1660
1661
1762
1763
1762
1763
1864
1864
1763
1763
1762
1661
1560
1558
1458
1457
1456
1050
1051
1253
1152
1152
1152
1152
1152
1355
1559
1661
1762
1864
1967
1966
1763
1661
1559
1456
1254
1152
1151
1151
1152
203751023
224161125
234261226
244561328
244461227
234361227
254661329
254661329
244461227
244561328
244561328
244561328
244561328
244561328
244561328
244561328
244561328
244461227
234261226
224161125
213851124
203751023
193551022
17325920
1.4
1.4
1.4
1.4
1.4
1.5
1.6
1.7
1.7
1.8
1.8
1.9
1.8
1.8
1.7
1.7
1.7
1.7
1.7
1.7
1.7
1.6
1.6
1.5
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 Saint-Nazaire : Warning strong breeze offshore.
The reliability of the situation is assessed at 80%.
Very cloudy. But clear spells will become more and more widespread.Risk of showers in the morning, possibility of showers in the afternoon.In the evening, changeable skies becoming less cloudy. No precipitation. W wind force 5 continuing all day. Gusts reaching 35 knots in the middle of the day. Smooth to slight sea. Low, fairly long swell from SW. Excellent visibility.
semaphore stations
Station St Nazaire-Montoir located 6 km from Saint-Nazaire
* +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