Grande-Synthe Sea Conditions and Tide Table

Grande-Synthe Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:31 AM and sunset is at 09:06 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Cool air temperatures (max 14°C on Mon afternoon, min 7°C on Mon morning). Winds decreasing (strong winds from the SW on Sun afternoon, light winds from the NW by Mon night).

Days 4–6 Weather Summary

Heavy rain (total 36mm), heaviest during Thu afternoon. Cool air temperatures (max 15°C on Tue night, min 10°C on Wed night). Winds increasing (light winds from the SSE on Tue afternoon, fresh winds from the WNW by Thu afternoon).

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Very mild (max 17°C on Sat afternoon, min 10°C on Fri morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Very mild (max 14°C on Mon afternoon, min 9°C on Wed night). Wind will be generally light.

Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
3:58PM5.40m
4:16AM5.39m
4:37PM5.24m
4:58AM5.17m
5:20PM5.01m
5:45AM4.90m
6:11PM4.74m
6:42AM4.63m
7:13PM4.49m
7:52AM4.45m
8:26PM4.38m
9:10AM4.47m
9:41PM4.49m
10:23AM4.73m
10:49PM4.78m
11:25AM5.09m
11:46PM5.15m
12:18PM5.45m
00:37AM5.51m
1:06PM5.73m
1:24AM5.79m
1:50PM5.87m
Low Tide
10:24AM0.60m
10:40PM0.72m
10:59AM0.80m
11:16PM0.93m
11:38AM1.05m
11:59PM1.17m
12:26PM1.32m
00:55AM1.40m
1:32PM1.56m
2:11AM1.53m
2:57PM1.65m
3:37AM1.47m
4:21PM1.52m
4:53AM1.19m
5:31PM1.21m
5:55AM0.80m
6:27PM0.84m
6:49AM0.42m
7:17PM0.51m
7:37AM0.12m
8:02PM0.28m
8:22AM-0.04m
8:44PM0.16m
Wave
height (m) 
direction
period (s) 
0.5
N
6
0.5
N
5
0.8
E
4
1.5
WSW
5
1.8
WSW
6
0.7
WSW
5
0.4
SW
3
0.2
N
8
0.2
N
7
0.2
ENE
4
0.3
NE
4
0.3
ENE
3
0.2
W
7
0.3
WSW
3
0.3
NNE
5
0.7
NW
3
1.3
NW
5
1.1
NW
5
0.9
NNW
5
0.8
NNE
6
0.5
NNE
6
0.7
NNE
6
1.1
NE
5
1.1
NNE
6
0.9
NNE
5
1.1
NNE
5
1.6
NNE
6
1.3
NNE
6
1.1
NNE
6
1.1
NNE
6
0.7
NNE
5
0.5
NNE
5
0.4
NNE
4
0.4
NNW
3
0.4
N
3
0.9
NNE
5
part cloud
light rain
rain showers
light rain
clear
part cloud
clear
rain showers
part cloud
part cloud
light rain
cloud
part cloud
part cloud
light rain
mod rain
heavy rain
rain showers
part cloud
clear
part cloud
cloud
light rain
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
some clouds
light rain
rain shwrs
light rain
clear
some clouds
clear
rain shwrs
some clouds
some clouds
light rain
cloudy
some clouds
some clouds
light rain
mod rain
heavy rain
rain shwrs
some clouds
clear
some clouds
cloudy
light rain
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
 km/h
10
S
20
SE
25
SE
35
SW
35
SW
10
SW
15
SSE
15
NW
10
SSE
15
SE
5
SSE
10
SSE
10
W
15
WNW
10
W
25
NW
30
WNW
20
W
20
WSW
15
WSW
15
ESE
20
E
20
E
5
NE
20
NE
25
NNE
25
NE
15
ENE
25
NE
15
NE
15
NE
20
NNE
10
NNE
15
NW
20
N
15
NE
 mm 
2.0
5
1.0
1.0
1.0
2.0
7
13
13
1.0
1.0
max°C
12
13
12
10
13
9
11
14
12
14
14
15
14
14
12
10
10
11
12
14
13
13
17
14
11
12
12
13
14
14
13
14
13
12
12
10
Moonrise
12:36
1:47
2:47
3:31
4:03
4:25
4:43
4:57
5:10
5:24
5:39
5:59
Moonset
7:42
8:27
9:28
10:44
12:09
1:37
3:04
4:32
5:59
7:28
8:59
10:30
Sunrise
6:31
6:28
6:26
6:24
6:22
6:20
6:18
6:18
6:16
6:13
6:13
6:11
Sunset
9:06
9:07
9:09
9:10
9:13
9:14
9:15
9:17
9:19
9:21
9:22
9:23
Today's sea temperature in Grande-Synthe is 10.9 °C (Statistics for 27 Apr 1981-2005 – mean: 9.6 max: 11.0 min: 7.5°C)
Nearest