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 05:18 AM and sunset is at 09:08 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Tue night. Cool air temperatures (max 19°C on Wed night, min 16°C on Mon night). Winds decreasing (strong winds from the W on Tue afternoon, light winds from the NW by Thu morning).

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Fri night. Cool air temperatures (max 19°C on Thu night, min 15°C on Sat night). Winds increasing (calm on Fri night, strong winds from the W by Sun afternoon).

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Sun night. Warm (max 21°C on Wed afternoon, min 16°C on Sun night). Winds decreasing (strong winds from the W on Sun night, light winds from the WNW by Wed afternoon).

Days 10–12 Weather Summary

Mostly dry. Very mild (max 19°C on Wed night, min 15°C on Thu night). Winds increasing (light winds from the NE on Fri night, near gales from the WSW by Sat afternoon).

Tuesday
15
Wednesday
16
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Sat
26
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
10:16AM10.13m
10:33PM10.32m
10:56AM9.91m
11:15PM10.01m
11:38AM9.58m
00:00AM9.58m
12:27PM9.18m
00:55AM9.10m
1:27PM8.80m
2:05AM8.69m
2:43PM8.60m
3:29AM8.58m
4:07PM8.77m
4:52AM8.87m
5:22PM9.26m
5:59AM9.39m
6:23PM9.85m
6:55AM9.90m
7:14PM10.35m
7:43AM10.27m
8:00PM10.68m
8:27AM10.47m
Low Tide
4:53PM2.10m
5:17AM1.84m
5:32PM2.34m
5:57AM2.19m
6:14PM2.68m
6:42AM2.64m
7:03PM3.07m
7:36AM3.09m
8:07PM3.40m
8:46AM3.39m
9:26PM3.49m
10:06AM3.40m
10:50PM3.22m
11:24AM3.10m
00:05AM2.69m
12:32PM2.63m
1:08AM2.13m
1:31PM2.19m
2:03AM1.68m
2:22PM1.85m
2:51AM1.41m
3:07PM1.68m
Wave
height (m) 
direction
period (s) 
1.1
W
5.0
1.5
W
6.0
1.3
W
6.0
1
W
6.0
0.9
W
5.0
0.6
W
8.0
0.5
W
8.0
0.4
WNW
8.0
0.4
W
9.0
0.4
W
9.0
0.4
W
8.0
0.3
W
9.0
0.5
W
5.0
0.3
W
8.0
1
W
5.0
1.1
W
5.0
1.3
W
5.0
1.4
W
6.0
1.2
W
6.0
0.7
W
7.0
0.8
WSW
4.0
1
W
5.0
0.7
W
5.0
0.7
W
5.0
0.6
W
8.0
0.5
W
8.0
0.7
W
6.0
0.6
WNW
9.0
0.5
W
9.0
0.7
WNW
9.0
0.5
W
9.0
0.4
WNW
9.0
0.3
WNW
9.0
0.5
SW
4.0
2.2
W
7.0
part cloud
part cloud
light rain
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
rain showers
cloud
part cloud
rain showers
thunderstorm
rain showers
rain showers
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
clear
some clouds
some clouds
light rain
cloudy
some clouds
some clouds
clear
clear
some clouds
clear
clear
rain shwrs
cloudy
some clouds
rain shwrs
risk tstorm
rain shwrs
rain shwrs
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
 km/h
30
SW
40
W
40
WSW
30
WSW
25
W
20
W
10
W
15
NNE
10
NW
10
NNW
20
NW
5
WNW
15
WNW
10
SSW
35
WSW
35
WSW
40
WSW
40
WSW
35
WSW
15
WSW
35
WSW
30
W
25
WSW
25
W
20
SW
15
WNW
25
WSW
15
NW
15
WNW
25
NW
10
NW
15
NW
5
NE
25
SSW
55
WSW
 mm 
1
4
3
3
1
4
max°C
17
18
18
18
18
19
18
19
19
18
19
19
17
18
17
16
17
17
18
18
18
17
18
18
20
21
19
16
17
17
16
17
17
18
18
Moonrise
11:23
11:37
11:53
12:13
12:38
1:14
2:04
3:10
4:28
5:51
7:12
Moonset
10:33
11:52
1:13
2:37
4:04
5:30
6:50
7:55
8:44
9:18
9:43
10:01
Sunrise
5:18
5:20
5:20
5:22
5:22
5:24
5:24
5:26
5:28
5:28
5:30
5:31
Sunset
9:08
9:07
9:07
9:06
9:05
9:04
9:02
9:01
9:00
8:59
8:58
8:57
Today's sea temperature in Saint Helier is 18.7 °C (Statistics for 15 Jul 1981-2005 – mean: 16.4 max: 18.1 min: 15.4°C)
Issued (local time): 12 am Tuesday 15 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest