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 08:07 PM.

Days 1–4 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Very warm air temperatures (max 33°C on Tue afternoon, min 22°C on Sun night). Wind will be generally light.

Days 5–7 Weather Summary

Heavy rain (total 41mm), heaviest during Sat afternoon. Warm air temperatures (max 20°C on Thu afternoon, min 9°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Heavy rain (total 28mm), heaviest during Sat night. Warm (max 27°C on Tue afternoon, min 10°C on Sat night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Warm (max 27°C on Thu afternoon, min 15°C on Wed night). Wind will be generally light.

Days 14–17 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 32°C on Mon afternoon, min 17°C on Tue morning). Winds increasing (calm on Sat night, fresh winds from the NW by Tue morning).

Monday
18
Tuesday
19
Wednesday
20
Thursday
21
Friday
22
Saturday
23
Sunday
24
Monday
25
Tuesday
26
Wednesday
27
Thursday
28
Friday
29
Saturday
30
Sunday
31
Monday
1
Tue
2
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
AM
Wave Height Map
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High Tide
9:30PM2.09m
10:10AM1.65m
10:22PM2.05m
11:07AM1.62m
11:20PM1.96m
12:08PM1.58m
00:20AM1.86m
1:09PM1.56m
1:20AM1.76m
2:08PM1.56m
2:19AM1.66m
3:05PM1.58m
3:15AM1.58m
4:01PM1.60m
4:12AM1.50m
4:56PM1.64m
5:08AM1.45m
5:48PM1.69m
6:03AM1.42m
6:36PM1.74m
6:54AM1.42m
7:20PM1.78m
7:40AM1.43m
8:00PM1.81m
8:23AM1.43m
8:38PM1.81m
9:03AM1.42m
Low Tide
4:33AM-0.21m
4:30PM-0.08m
5:24AM-0.19m
5:22PM-0.02m
6:16AM-0.13m
6:16PM0.06m
7:11AM-0.05m
7:15PM0.15m
8:10AM0.02m
8:21PM0.23m
9:12AM0.08m
9:31PM0.27m
10:11AM0.10m
10:37PM0.27m
11:03AM0.10m
11:35PM0.23m
11:50AM0.11m
00:26AM0.19m
12:33PM0.12m
1:13AM0.14m
1:15PM0.13m
1:58AM0.11m
1:56PM0.15m
2:42AM0.08m
2:37PM0.16m
3:24AM0.06m
3:18PM0.19m
Wave
Height (m)
Direction
Period (s)
0.4
SE
8
0.3
SE
8
0.7
SSE
4
0.4
SSE
5
0.4
SE
6
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.4
SSE
6
0.5
NNW
3
0.4
NNE
3
0.5
SE
3
0.3
SE
8
0.5
E
3
0.5
E
4
0.4
ESE
5
1
E
5
1
ESE
6
1
ESE
6
1
ESE
7
1.1
ESE
7
0.9
ESE
8
0.9
ESE
8
0.9
ESE
8
0.7
ESE
8
0.6
ESE
9
0.6
ESE
9
0.6
ESE
8
0.6
ESE
8
0.7
NNW
4
0.4
ESE
8
0.4
SE
8
0.4
SE
8
0.2
ESE
8
0.2
ESE
8
0.4
SSE
3
0.3
ESE
8
0.2
ESE
8
0.4
SE
8
0.2
ESE
8
0.2
ESE
8
0.6
SSE
3
0.3
SSE
4
0.2
ESE
8
0.6
WNW
2
0.4
SSE
6
0.9
NNW
4
part cloud
clear
clear
clear
clear
clear
rain showers
clear
part cloud
light rain
part cloud
cloud
part cloud
cloud
cloud
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
light rain
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
rain showers
clear
some clouds
clear
clear
clear
clear
clear
rain shwrs
clear
some clouds
light rain
some clouds
cloudy
some clouds
cloudy
cloudy
heavy rain
heavy rain
heavy rain
heavy rain
mod rain
light rain
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
rain shwrs
clear
km/h
10
WSW
10
SSE
10
S
15
SW
15
WSW
20
WSW
10
SSW
20
W
25
W
20
NNW
15
NNE
15
ESE
5
N
15
ESE
15
S
15
E
20
E
15
E
15
ENE
20
NE
20
NE
15
NE
15
ESE
15
SE
5
SSE
15
WSW
15
WSW
15
WNW
20
WNW
25
NNW
15
NNW
10
NNW
10
NNW
5
N
5
ENE
15
SE
10
SW
5
NNE
10
E
5
SW
5
W
5
SW
10
WSW
15
SW
20
WNW
15
WSW
30
NW
3
3
15
11
12
19
8
1
2
max °C
28
26
31
30
29
33
25
30
33
18
16
20
17
13
12
9
9
10
10
11
11
11
14
15
14
19
27
25
22
25
21
22
27
27
23
25
22
24
29
24
27
31
30
29
32
26
19
Moonrise
6:42
7:51
9:07
10:24
11:38
12:48
1:54
2:59
4:02
5:05
6:08
7:12
8:14
9:12
10:04
Moonset
9:50
10:59
11:56
12:40
1:14
1:41
2:05
2:26
2:47
3:08
3:31
3:58
4:30
5:08
5:54
6:47
Sunrise
5:37
5:35
5:35
5:35
5:33
5:33
5:33
5:31
5:31
5:31
5:30
5:28
5:28
5:28
5:28
5:28
Sunset
8:07
8:08
8:09
8:10
8:10
8:12
8:13
8:14
8:15
8:15
8:16
8:16
8:17
8:19
8:20
8:21
Today's sea temperature in Chelsea is
13.5° C
(Statistics for 17 May 1981-2005 – mean: 10.8 max: 13.0 min: 8.6°C)
Issued (local time): 7 pm Sunday 17 May 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest