Chelsea Sea Conditions and Tide Table

Chelsea 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 08:16 PM.

Days 1–4 Weather Summary

Light rain (total 6mm), mostly falling on Sun night. Very warm air temperatures (max 32°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 28°C on Wed afternoon, min 14°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Thu night. Warm (max 33°C on Sat afternoon, min 19°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Some drizzle, heaviest during Tue night. Warm (max 28°C on Tue afternoon, min 17°C on Sun night). Wind will be generally light.

Fri
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wed
30
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
Wave Height Map
High Tide
5:59PM3.26m
6:32AM2.87m
6:55PM3.29m
7:35AM2.80m
7:55PM3.33m
8:39AM2.77m
8:55PM3.37m
9:42AM2.80m
9:55PM3.42m
10:42AM2.85m
10:52PM3.46m
11:37AM2.91m
11:46PM3.47m
12:28PM2.96m
00:37AM3.44m
1:16PM3.00m
1:25AM3.37m
2:01PM3.01m
2:12AM3.26m
2:45PM3.00m
2:58AM3.12m
3:28PM2.97m
3:44AM2.95m
Low Tide
11:47AM0.10m
00:28AM0.06m
12:43PM0.18m
1:30AM0.03m
1:42PM0.24m
2:33AM-0.02m
2:42PM0.26m
3:34AM-0.09m
3:42PM0.23m
4:32AM-0.16m
4:39PM0.19m
5:27AM-0.20m
5:34PM0.14m
6:18AM-0.22m
6:25PM0.11m
7:05AM-0.20m
7:15PM0.11m
7:50AM-0.14m
8:03PM0.14m
8:34AM-0.04m
8:50PM0.20m
9:17AM0.09m
9:37PM0.27m
9:59AM0.23m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
part cloud
part cloud
thunderstorm
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
mod rain
light rain
thunderstorm
thunderstorm
clear
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
rain showers
cloud
clear
clear
clear
clear
clear
some clouds
some clouds
risk tstorm
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
mod rain
light rain
risk tstorm
risk tstorm
clear
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
rain shwrs
cloudy
 km/h
10
ENE
5
W
5
SSE
10
S
15
SSW
15
SW
15
W
10
NNW
10
NNE
10
E
10
N
10
ENE
15
ESE
10
SW
10
SSW
20
SSW
15
SW
20
SW
25
SW
15
SW
5
W
5
ESE
5
NW
0
NW
5
SE
10
NNE
15
ENE
15
E
5
NE
10
E
10
E
5
NNW
10
SSE
15
SE
5
S
10
ESE
 mm 
6
6
1
1
1
1
max°C
27
24
26
29
26
29
32
24
22
21
19
19
20
18
24
28
23
27
32
26
23
27
23
29
33
27
21
23
18
23
24
20
26
28
25
24
Moonrise
12:14
12:49
1:33
2:29
3:36
4:51
6:07
7:20
8:30
9:36
10:40
11:43
Moonset
2:10
3:29
4:48
6:01
7:04
7:55
8:33
9:03
9:27
9:48
10:07
10:25
10:44
Sunrise
5:22
5:24
5:24
5:26
5:26
5:28
5:28
5:30
5:31
5:31
5:33
5:33
Sunset
8:16
8:15
8:15
8:15
8:14
8:13
8:12
8:10
8:09
8:08
8:07
8:07
Today's sea temperature in Chelsea is 20.7 °C (Statistics for 18 Jul 1981-2005 – mean: 19.6 max: 21.7 min: 17.4°C)
Issued (local time): 1 pm Friday 18 Jul 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest