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 05:37 PM.

Days 1–4 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Cool air temperatures (max 14°C on Mon night, min 9°C on Mon night). Mainly fresh winds.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Wed afternoon, min 10°C on Fri morning). Wind will be generally light.

Days 8–10 Weather Summary

Moderate rain (total 19mm), heaviest on Sat night. Very mild (max 11°C on Sat afternoon, min 7°C on Sat morning). Winds increasing (light winds from the SSE on Sat afternoon, strong winds from the SSW by Mon morning).

Days 11–13 Weather Summary

Moderate rain (total 16mm), heaviest on Thu morning. Very mild (max 10°C on Wed night, min 8°C on Mon afternoon). Winds decreasing (strong winds from the W on Mon afternoon, light winds from the ENE by Thu afternoon).

Sat
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
Thursday
5
Friday
6
Saturday
7
Sunday
8
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
9:05PM10.74m
9:22AM10.68m
9:39PM10.28m
9:58AM10.04m
10:18PM9.62m
10:42AM9.21m
11:06PM8.84m
11:43AM8.32m
00:22AM8.12m
1:30PM7.79m
2:21AM8.02m
3:23PM8.18m
3:52AM8.72m
4:32PM9.02m
4:53AM9.62m
5:23PM9.85m
5:41AM10.41m
6:07PM10.50m
6:23AM10.98m
6:47PM10.92m
7:03AM11.28m
7:24PM11.11m
7:38AM11.34m
7:58PM11.08m
8:11AM11.17m
8:28PM10.85m
8:40AM10.79m
8:56PM10.43m
Low Tide
3:29PM1.27m
3:43AM1.66m
4:03PM1.77m
4:17AM2.18m
4:39PM2.46m
4:57AM2.85m
5:23PM3.23m
5:51AM3.56m
6:28PM3.94m
7:16AM4.06m
8:07PM4.22m
9:10AM3.88m
9:51PM3.77m
10:38AM3.06m
11:05PM2.91m
11:39AM2.15m
00:00AM2.08m
12:29PM1.42m
00:47AM1.45m
1:13PM0.95m
1:28AM1.08m
1:51PM0.77m
2:05AM0.96m
2:25PM0.86m
2:36AM1.09m
2:53PM1.17m
3:03AM1.41m
3:17PM1.65m
Wave
height (m) 
direction
period (s) 
1.2
WNW
16
1.2
WNW
16
1.5
WSW
6
1.4
WNW
14
1.2
WNW
13
1.1
WNW
14
1.3
WNW
15
1
WNW
14
1
WNW
13
0.8
WNW
12
0.8
WNW
12
0.8
W
12
0.8
W
16
0.8
W
15
0.7
W
14
0.6
W
14
0.6
W
13
0.8
WSW
5
0.8
W
9
0.7
W
10
0.7
WNW
16
0.7
WNW
15
0.6
WNW
14
0.8
WNW
13
1
WNW
14
0.9
WNW
14
1.2
WSW
6
1.9
W
7
2.3
WNW
15
1.8
WNW
16
1.8
WNW
16
1.5
WNW
15
1
WNW
14
1
W
6
1.5
W
6
1
W
8
0.8
WNW
12
0.7
WNW
12
1.1
WNW
6
0.8
WNW
11
0.6
W
11
1.1
WSW
5
1.5
W
6
1.4
W
6
1
WNW
5
1
W
5
1
W
6
light rain
part cloud
light rain
light rain
part cloud
part cloud
cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
clear
clear
clear
mod rain
rain showers
rain showers
rain showers
mod rain
part cloud
rain showers
light rain
rain showers
part cloud
cloud
cloud
light rain
light rain
light rain
part cloud
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
light rain
some clouds
light rain
light rain
some clouds
some clouds
cloudy
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
cloudy
cloudy
clear
clear
clear
mod rain
rain shwrs
rain shwrs
rain shwrs
mod rain
some clouds
rain shwrs
light rain
rain shwrs
some clouds
cloudy
cloudy
light rain
light rain
light rain
some clouds
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
cloudy
 km/h
30
SW
35
SW
35
SW
35
SW
30
WSW
30
SW
30
SW
25
SSW
30
S
25
S
20
SSE
20
SE
15
SE
20
SW
15
SW
10
S
20
SSW
25
SW
25
WNW
15
N
15
SE
10
SSE
10
SSE
10
S
25
W
25
WSW
45
SSW
50
W
45
WNW
35
W
40
WNW
35
NW
30
WNW
30
W
45
WSW
10
WNW
10
ENE
10
SW
30
NW
20
NW
20
SW
35
SW
40
WSW
40
WSW
30
WNW
30
WNW
30
W
 mm 
1
2
3
10
1
1
1
6
2
1
1
5
5
2
max°C
12
12
11
11
11
11
13
14
12
15
14
13
17
16
13
16
15
10
10
10
7
11
11
8
9
9
9
8
8
9
9
9
9
9
10
10
8
10
8
8
8
11
12
11
9
9
10
Moonrise
8:41
9:05
9:38
10:25
11:28
12:44
2:07
3:31
4:52
6:10
7:25
8:38
9:51
11:03
Moonset
10:57
12:22
1:47
3:07
4:15
5:06
5:43
6:09
6:29
6:45
6:59
7:13
7:27
7:42
8:01
Sunrise
7:03
7:01
7:00
6:58
6:56
6:54
6:52
6:50
6:48
6:47
6:45
6:41
6:39
6:37
6:35
Sunset
5:37
5:39
5:40
5:43
5:44
5:45
5:47
5:49
5:51
5:52
5:53
5:55
5:57
5:59
6:00
6:01
Today's sea temperature in Saint Helier is
9.1° C
(Statistics for 21 Feb 1981-2005 – mean: 9.1 max: 10.3 min: 7.0°C)
Issued (local time): 5 pm Saturday 21 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest