Saint Helier Sea Conditions and Tide Table

Saint Helier 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 07:48 AM and sunset is at 04:09 PM.

Days 1–3 Weather Summary

Moderate rain (total 12mm), heaviest on Sun morning. Cool air temperatures (max 15°C on Sun afternoon, min 11°C on Tue night). Winds increasing (moderate winds from the SSW on Mon morning, gales from the SW by Tue night).

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Thu afternoon. Cool air temperatures (max 13°C on Fri afternoon, min 10°C on Wed night). Winds increasing (light winds from the WSW on Wed night, fresh winds from the S by Fri morning).

Days 7–9 Weather Summary

Heavy rain (total 25mm), heaviest during Sun night. Very mild (max 13°C on Sun afternoon, min 9°C on Sat night). Winds increasing (moderate winds from the SW on Sat morning, gales from the SSW by Sun night).

Days 10–12 Weather Summary

Heavy rain (total 27mm), heaviest during Thu night. Very mild (max 11°C on Tue night, min 8°C on Wed night). Winds increasing (light winds from the SW on Wed night, severe gales from the SSW by Thu night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
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
7:43AM11.08m
8:11PM10.65m
8:29AM10.74m
8:58PM10.18m
9:16AM10.24m
9:47PM9.60m
10:04AM9.65m
10:38PM9.01m
10:56AM9.07m
11:35PM8.54m
11:55AM8.62m
00:37AM8.27m
12:59PM8.38m
1:42AM8.24m
2:04PM8.37m
2:43AM8.44m
3:05PM8.56m
3:37AM8.77m
3:58PM8.85m
4:25AM9.15m
4:45PM9.16m
5:08AM9.50m
5:26PM9.43m
5:46AM9.78m
Low Tide
2:31PM1.48m
2:50AM1.95m
3:18PM1.82m
3:35AM2.39m
4:04PM2.30m
4:20AM2.91m
4:50PM2.84m
5:08AM3.43m
5:41PM3.36m
6:02AM3.86m
6:40PM3.75m
7:05AM4.10m
7:46PM3.91m
8:14AM4.07m
8:51PM3.82m
9:17AM3.82m
9:47PM3.58m
10:11AM3.47m
10:35PM3.29m
10:58AM3.12m
11:18PM3.04m
11:39AM2.83m
11:57PM2.86m
Wave
height (m) 
direction
period (s) 
1.7
WNW
14
2.3
WSW
7
1.2
W
12
1.1
W
12
1.1
W
12
1.7
W
17
1.8
SW
7
1.7
SW
7
2.5
W
14
1.1
W
14
0.9
WNW
13
0.6
W
12
0.9
WNW
14
0.7
WNW
13
0.8
WNW
12
1.2
WNW
17
1.3
WNW
16
1.3
WNW
18
1.2
WNW
16
1.1
WNW
15
1.2
WNW
14
1.6
SW
7
1.9
WSW
7
1.9
WSW
8
1.2
W
12
1.5
W
12
1.6
W
13
1.4
WSW
6
1.9
SSW
5
1.1
WNW
11
1.4
WNW
14
2
WNW
19
1.8
WNW
19
1.6
WNW
18
1.7
WNW
18
1.9
SW
8
light rain
light rain
part cloud
light rain
light rain
part cloud
light rain
light rain
part cloud
cloud
clear
clear
light rain
light rain
part cloud
cloud
light rain
part cloud
clear
clear
part cloud
light rain
light rain
heavy rain
rain showers
thunderstorm
rain showers
cloud
light rain
rain showers
rain showers
clear
part cloud
clear
part cloud
heavy rain
light rain
light rain
some clouds
light rain
light rain
some clouds
light rain
light rain
some clouds
cloudy
clear
clear
light rain
light rain
some clouds
cloudy
light rain
some clouds
clear
clear
some clouds
light rain
light rain
heavy rain
rain shwrs
risk tstorm
rain shwrs
cloudy
light rain
rain shwrs
rain shwrs
clear
some clouds
clear
some clouds
heavy rain
 km/h
45
SW
50
WSW
25
SW
30
SSW
35
SSW
40
S
50
S
50
S
50
WSW
25
SSW
15
SW
10
SSE
25
SSE
15
S
30
SSE
35
SSE
30
SSW
20
SW
20
SW
25
SSW
40
S
45
S
55
SSW
45
WSW
20
NW
40
WNW
30
WNW
45
S
60
S
30
WSW
25
WSW
35
WSW
20
SSW
20
SW
30
SSW
60
S
 mm 
5
1
2
2
1
1
1
4
1
3
5
12
3
1
1
4
3
3
11
max°C
14
15
14
14
14
13
13
14
14
11
12
12
10
11
11
11
13
11
10
10
10
11
13
13
10
10
11
9
10
11
10
10
10
9
10
10
Moonrise
6:45
8:10
9:32
10:48
12:01
1:11
2:20
3:29
4:39
5:49
6:58
Moonset
10:48
11:21
11:45
12:03
12:18
12:31
12:43
12:57
1:12
1:30
1:55
2:27
Sunrise
7:48
7:50
7:50
7:52
7:52
7:52
7:54
7:54
7:56
7:56
7:58
7:58
Sunset
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:10
Today's sea temperature in Saint Helier is
12.2° C
(Statistics for 07 Dec 1981-2005 – mean: 11.9 max: 13.3 min: 10.9°C)
Issued (local time): 11 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest