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 07:20 AM and sunset is at 04:23 PM.

Days 1–3 Weather Summary

Moderate rain (total 10mm), heaviest on Tue night. Cool air temperatures (max 11°C on Tue afternoon, min 6°C on Wed morning). Winds increasing (calm on Mon night, gales from the N by Wed afternoon).

Days 4–6 Weather Summary

Moderate rain (total 18mm), heaviest on Fri night. Cool air temperatures (max 13°C on Fri night, min 7°C on Thu morning). Winds increasing (moderate winds from the WNW on Fri morning, near gales from the SSW by Fri night).

Days 7–9 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Very mild (max 14°C on Tue night, min 9°C on Mon afternoon). Winds increasing (calm on Sun night, strong winds from the W by Tue night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Thu night. Very mild (max 14°C on Wed morning, min 11°C on Thu afternoon). Winds decreasing (strong winds from the WSW on Wed morning, light winds from the W by Thu afternoon).

Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
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
4:38PM9.67m
5:01AM9.87m
5:17PM9.94m
5:36AM10.13m
5:51PM10.10m
6:10AM10.28m
6:24PM10.16m
6:40AM10.34m
6:55PM10.14m
7:11AM10.31m
7:26PM10.03m
7:41AM10.16m
7:57PM9.80m
8:12AM9.88m
8:30PM9.45m
8:45AM9.50m
9:06PM9.01m
9:24AM9.06m
9:50PM8.57m
10:11AM8.65m
10:47PM8.23m
11:17AM8.38m
00:01AM8.14m
Low Tide
10:56AM2.75m
11:17PM2.50m
11:35AM2.44m
11:54PM2.35m
12:10PM2.28m
00:26AM2.33m
12:42PM2.24m
00:56AM2.39m
1:13PM2.27m
1:25AM2.49m
1:43PM2.36m
1:54AM2.66m
2:15PM2.54m
2:26AM2.92m
2:50PM2.81m
3:01AM3.27m
3:28PM3.17m
3:39AM3.67m
4:11PM3.54m
4:25AM4.04m
5:03PM3.84m
5:22AM4.28m
6:06PM3.96m
Wave
height (m) 
direction
period (s) 
0.8
N
4
0.8
N
4
0.3
WNW
12
0.3
WNW
4
0.7
W
4
0.9
WNW
4
1.9
NW
6
2.5
NNW
7
1.7
NNW
6
1.2
NNW
6
0.9
NNW
5
1
N
5
0.6
NW
6
0.6
W
5
1.5
SW
5
1.6
WNW
6
1.5
NW
5
1.6
WNW
5
1.4
WNW
6
1
W
8
0.7
W
8
0.4
WNW
10
0.6
SW
5
0.9
SSE
4
0.9
WNW
11
0.9
WNW
12
1.2
W
6
1.5
W
6
1.4
WNW
5
1.3
WNW
5
0.9
WNW
6
0.8
W
5
0.8
WSW
5
1.4
W
5
1.2
W
7
0.9
WNW
9
part cloud
part cloud
part cloud
cloud
light rain
light rain
light rain
light rain
clear
part cloud
cloud
part cloud
part cloud
light rain
heavy rain
rain showers
part cloud
rain showers
clear
part cloud
cloud
part cloud
light rain
mod rain
light rain
cloud
light rain
cloud
cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
some clouds
some clouds
some clouds
cloudy
light rain
light rain
light rain
light rain
clear
some clouds
cloudy
some clouds
some clouds
light rain
heavy rain
rain shwrs
some clouds
rain shwrs
clear
some clouds
cloudy
some clouds
light rain
mod rain
light rain
cloudy
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
 km/h
30
NNE
30
NE
5
ENE
20
WNW
35
W
35
WNW
55
NNW
65
N
45
NNW
35
NNW
25
NNW
35
N
20
NW
30
WSW
50
SSW
45
NW
40
NW
50
W
35
NW
25
NW
15
NNW
15
SSE
30
SSE
35
SSE
20
W
25
W
40
WSW
45
WSW
40
WNW
35
WNW
25
WNW
25
W
35
SW
40
WSW
30
WSW
25
SSW
 mm 
2
5
1
2
1
11
1
5
1
9
2
1
1
max°C
10
9
10
10
11
11
7
7
7
7
7
8
8
9
13
12
12
12
11
11
11
10
10
10
13
13
14
14
13
12
12
12
14
13
14
13
Moonrise
4:30
5:39
6:50
8:00
9:07
10:07
10:57
11:36
12:06
12:28
12:47
1:03
Moonset
2:50
3:06
3:26
3:52
4:27
5:12
6:10
7:17
8:29
9:44
11:00
Sunrise
7:20
7:22
7:24
7:26
7:26
7:28
7:30
7:31
7:33
7:33
7:35
7:37
Sunset
4:23
4:22
4:22
4:21
4:20
4:19
4:17
4:16
4:15
4:15
4:15
4:14
Today's sea temperature in Saint Helier is
14.5° C
(Statistics for 17 Nov 1981-2005 – mean: 13.1 max: 13.9 min: 12.2°C)
Issued (local time): 5 am Monday 17 Nov 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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