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 06:58 AM and sunset is at 06:47 PM.

Days 1–3 Weather Summary

Heavy rain (total 28mm), heaviest during Mon morning. Icy conditions (max 16°C on Mon night, min -1°C on Sat night). Winds increasing (light winds from the NE on Sun morning, strong winds from the S by Mon night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 4°C on Tue afternoon, min -3°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Drizzle at first, then turning colder with dusting of snow on Sat afternoon. Freeze-thaw conditions (max 9°C on Fri afternoon, min -2°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Tue afternoon, min -5°C on Mon night). Mainly fresh winds.

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sun
29
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
PM
Wave Height Map
High Tide
8:24AM2.74m
9:08PM2.47m
9:18AM2.85m
9:56PM2.63m
10:06AM2.98m
10:39PM2.81m
10:51AM3.11m
11:19PM3.01m
11:34AM3.22m
11:58PM3.19m
12:17PM3.28m
00:37AM3.34m
1:01PM3.30m
1:18AM3.45m
1:46PM3.26m
2:01AM3.49m
2:35PM3.16m
2:48AM3.47m
3:26PM3.01m
3:40AM3.38m
4:23PM2.85m
4:38AM3.25m
5:26PM2.71m
5:42AM3.13m
6:35PM2.64m
6:52AM3.04m
7:46PM2.65m
8:03AM3.03m
Low Tide
2:57PM0.43m
3:05AM0.57m
3:46PM0.29m
3:56AM0.40m
4:29PM0.14m
4:43AM0.21m
5:11PM-0.00m
5:27AM0.02m
5:51PM-0.12m
6:11AM-0.16m
6:32PM-0.19m
6:55AM-0.30m
7:14PM-0.21m
7:41AM-0.37m
7:57PM-0.17m
8:29AM-0.37m
8:44PM-0.08m
9:20AM-0.30m
9:33PM0.06m
10:15AM-0.17m
10:29PM0.21m
11:15AM-0.02m
11:30PM0.35m
12:21PM0.09m
00:37AM0.43m
1:29PM0.14m
1:46AM0.42m
2:36PM0.12m
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
clear
part cloud
part cloud
rain showers
heavy rain
light rain
rain showers
clear
cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
cloud
light snow
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
clear
cloud
part cloud
part cloud
clear
clear
cloud
cloud
some clouds
some clouds
clear
some clouds
some clouds
rain shwrs
heavy rain
light rain
rain shwrs
clear
cloudy
clear
some clouds
cloudy
some clouds
some clouds
some clouds
clear
cloudy
some clouds
some clouds
cloudy
light snow
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
cloudy
clear
clear
clear
clear
clear
cloudy
some clouds
some clouds
clear
clear
cloudy
cloudy
 km/h
25
W
30
W
20
WNW
5
NE
15
SE
10
ESE
25
S
30
S
30
SSW
20
W
25
W
15
W
10
W
10
WSW
5
SW
10
SSE
10
SE
5
S
15
SW
15
WSW
10
NW
5
ESE
5
NE
15
NNE
10
NNE
5
WNW
15
NNW
25
NW
25
NNW
25
NW
30
NW
25
NW
20
NW
20
NW
20
NW
20
NW
20
NW
20
NNW
15
NW
10
NNW
15
NNW
10
NW
10
WSW
20
WNW
5
WNW
15
WSW
15
WSW
 mm 
2
12
3
11
1
max°C
6
6
2
2
4
4
13
15
16
1
4
-1
-1
2
2
2
4
3
4
9
7
5
3
2
0
4
4
-2
0
-3
1
6
3
2
6
2
0
5
2
2
8
5
6
11
8
7
11
Moonrise
4:51
5:22
5:48
6:11
6:33
6:54
7:17
7:43
8:15
8:54
9:44
10:46
11:57
1:12
2:27
3:40
Moonset
2:00
3:10
4:20
5:32
6:44
7:58
9:14
10:34
11:54
1:10
2:18
3:14
3:58
4:32
4:59
Sunrise
6:58
6:56
6:54
6:52
6:50
6:50
6:48
6:46
6:43
6:43
6:41
6:39
6:37
6:35
6:33
6:31
Sunset
6:47
6:50
6:51
6:52
6:52
6:53
6:54
6:55
6:58
6:59
7:00
7:00
7:01
7:02
7:04
7:06
Today's sea temperature in Chelsea is
3.2° C
(Statistics for 14 Mar 1981-2005 – mean: 3.4 max: 5.0 min: 1.5°C)
Issued (local time): 1 am Saturday 14 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest