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 07:09 AM and sunset is at 04:13 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 5°C on Sun morning, min -5°C on Sun night). Wind will be generally light.

Days 4–6 Weather Summary

A moderate fall of snow, heaviest on Tue night. Icy conditions (max 2°C on Tue night, min -3°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Freeze-thaw conditions (max 8°C on Fri afternoon, min -10°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of snow turning to light rain (total 9mm) on Mon night. Freeze-thaw conditions (max 6°C on Tue morning, min -2°C on Mon morning). Wind will be generally light.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
11:12AM3.08m
11:52PM2.65m
11:51AM3.09m
00:31AM2.66m
12:30PM3.08m
1:11AM2.67m
1:11PM3.06m
1:51AM2.70m
1:54PM3.03m
2:34AM2.75m
2:40PM2.98m
3:19AM2.81m
3:30PM2.93m
4:06AM2.90m
4:24PM2.87m
4:57AM3.01m
5:22PM2.83m
5:51AM3.13m
6:23PM2.81m
6:46AM3.26m
7:24PM2.83m
7:42AM3.40m
8:23PM2.85m
Low Tide
5:42PM0.09m
5:44AM0.45m
6:21PM0.07m
6:25AM0.44m
7:01PM0.06m
7:07AM0.43m
7:41PM0.06m
7:51AM0.42m
8:23PM0.07m
8:37AM0.41m
9:08PM0.09m
9:28AM0.37m
9:55PM0.11m
10:22AM0.31m
10:46PM0.14m
11:20AM0.22m
11:39PM0.16m
12:20PM0.10m
00:35AM0.16m
1:20PM-0.05m
1:32AM0.13m
2:20PM-0.20m
2:28AM0.11m
Wave
height (m) 
direction
period (s) 
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
light snow
light snow
light snow
mod snow
part cloud
part cloud
part cloud
clear
cloud
cloud
light rain
cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
light snow
light rain
clear
part cloud
cloud
cloud
cloud
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
light snow
light snow
light snow
mod snow
some clouds
some clouds
some clouds
clear
cloudy
cloudy
light rain
cloudy
clear
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
light snow
light rain
clear
some clouds
cloudy
cloudy
cloudy
 km/h
15
WNW
10
SW
25
SSW
20
W
20
WNW
25
WNW
20
NW
10
WNW
10
WSW
10
SSW
10
ESE
20
ENE
15
N
5
SW
10
SW
15
SW
10
SW
5
S
5
SSW
15
SW
25
NW
25
NW
20
NW
15
NW
10
NW
10
WNW
10
WSW
10
W
0
S
10
SSW
15
SSW
15
WNW
20
NW
15
N
10
NNE
10
NNW
 mm 
2
5
4
max°C
1
2
4
5
1
-1
-1
0
-1
0
1
2
-1
0
-1
2
2
2
5
8
5
-6
-7
-10
-5
-4
-3
1
1
4
6
3
1
1
2
3
Moonrise
8:01
8:45
9:21
9:51
10:16
10:38
10:58
11:19
11:41
12:07
12:38
1:19
Moonset
4:28
5:30
6:37
7:45
8:53
10:02
11:11
12:22
1:37
2:55
4:16
Sunrise
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:11
7:13
7:13
Sunset
4:13
4:14
4:14
4:15
4:15
4:15
4:16
4:17
4:17
4:19
4:20
4:21
Today's sea temperature in Chelsea is
5.9° C
(Statistics for 20 Dec 1981-2005 – mean: 7.3 max: 8.7 min: 5.7°C)
Issued (local time): 12 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest