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 — and sunset is at —.

Days 1–4 Weather Summary

Heavy rain (total 28mm), heaviest during Fri afternoon. Cool air temperatures (max 15°C on Sun morning, min 9°C on Fri morning). Mainly gales.

Days 5–7 Weather Summary

Moderate rain (total 18mm), heaviest on Mon night. Cool air temperatures (max 15°C on Tue morning, min 12°C on Mon night). Mainly gales.

Days 8–10 Weather Summary

Moderate rain (total 17mm), heaviest on Sat morning. Very mild (max 13°C on Fri night, min 9°C on Thu morning). Mainly strong winds.

Days 11–13 Weather Summary

Light rain (total 5mm), mostly falling on Sun night. Very mild (max 13°C on Sun afternoon, min 10°C on Mon night). Winds increasing (calm on Mon morning, strong winds from the W by Tue night).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
AM
PM
Wave Height Map
High Tide
6:08AM11.08m
6:36PM11.02m
6:56AM11.20m
7:24PM10.95m
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
Low Tide
00:23AM1.63m
12:51PM1.42m
1:14AM1.55m
1:42PM1.35m
2:03AM1.66m
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
Wave
height (m) 
direction
period (s) 
1.1
WNW
13
1.3
WNW
15
1.7
SW
8
2.1
WSW
6
3
WNW
13
3
WNW
16
1.8
WNW
16
1.4
WNW
14
2
WSW
7
1.4
W
12
1.1
W
12
1
W
20
1.8
SW
8
2.1
WSW
8
1.8
SW
7
1.6
W
15
2.5
W
9
1.5
W
10
0.8
WNW
12
0.9
SW
5
0.9
SSW
6
1
SW
6
1.4
SW
6
1.6
W
20
1.6
W
18
1.3
W
17
1.2
W
16
1.1
W
14
1
W
12
0.7
WNW
12
0.6
W
11
0.5
W
11
0.5
W
10
0.4
WNW
10
0.7
W
12
1.4
SW
5
rain showers
cloud
mod rain
rain showers
rain showers
light rain
light rain
light rain
rain showers
part cloud
light rain
light rain
heavy rain
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
cloud
light rain
light rain
light rain
mod rain
light rain
rain showers
part cloud
part cloud
light rain
part cloud
clear
part cloud
cloud
part cloud
rain shwrs
cloudy
mod rain
rain shwrs
rain shwrs
light rain
light rain
light rain
rain shwrs
some clouds
light rain
light rain
heavy rain
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
cloudy
light rain
light rain
light rain
mod rain
light rain
rain shwrs
some clouds
some clouds
light rain
some clouds
clear
some clouds
cloudy
some clouds
 km/h
25
WNW
35
S
65
SSE
50
SW
55
WSW
50
WSW
35
SW
40
SSW
55
SW
25
SW
30
SSW
30
S
50
S
55
SSW
45
S
40
S
60
W
30
WSW
20
SSW
35
SSE
35
SE
35
SSE
40
S
40
S
35
S
25
S
30
S
35
S
25
SSW
15
SSW
5
SW
0
NNE
20
NNW
15
WNW
30
SSW
50
SW
 mm 
1
10
4
2
1
4
5
1
1
2
15
2
3
4
6
2
2
3
max°C
11
10
12
13
12
13
13
15
15
14
14
13
14
15
15
14
12
12
12
10
12
11
12
12
13
12
12
12
12
13
13
11
11
11
10
12
Moonrise
4:10
5:21
6:45
8:10
9:32
10:48
12:01
1:11
2:20
3:29
4:39
Moonset
8:51
9:59
10:48
11:21
11:45
12:03
12:18
12:31
12:43
12:57
1:12
1:30
Sunrise
7:46
7:47
7:48
7:50
7:50
7:52
7:52
7:52
7:54
7:54
7:56
7:56
Sunset
4:10
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
4:09
Today's sea temperature in Saint Helier is
12.5° C
(Statistics for 04 Dec 1981-2005 – mean: 12.1 max: 13.3 min: 11.3°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest