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 07:05 AM and sunset is at 04:12 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 7°C on Wed morning, min -8°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Fri morning. Icy conditions (max 14°C on Thu night, min -6°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the SSW by Sat afternoon).

Days 7–9 Weather Summary

A dusting of snow turning to light rain (total 5mm) on Tue morning. Freeze-thaw conditions (max 8°C on Tue afternoon, min -8°C on Tue night). Winds increasing (calm on Mon night, fresh winds from the WNW by Tue night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Fri night. Freeze-thaw conditions (max 8°C on Fri night, min -7°C on Wed morning). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
7:43AM2.90m
8:17PM2.60m
8:29AM2.95m
9:06PM2.60m
9:12AM2.99m
9:51PM2.61m
9:53AM3.03m
10:33PM2.63m
10:33AM3.06m
11:13PM2.64m
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
Low Tide
2:11PM0.34m
2:15AM0.50m
2:59PM0.27m
3:00AM0.51m
3:43PM0.20m
3:42AM0.50m
4:24PM0.15m
4:23AM0.48m
5:04PM0.12m
5:04AM0.46m
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
Wave
height (m) 
direction
period (s) 
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
heavy rain
rain showers
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
cloud
cloud
light snow
rain showers
clear
clear
part cloud
clear
clear
clear
part cloud
clear
cloud
light rain
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
heavy rain
rain shwrs
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
cloudy
cloudy
light snow
rain shwrs
clear
clear
some clouds
clear
clear
clear
some clouds
clear
cloudy
light rain
 km/h
20
WNW
20
WNW
15
WSW
10
W
5
WSW
20
SW
25
SW
20
SW
25
WNW
10
S
15
S
20
S
40
S
25
W
30
W
15
WNW
5
SSW
15
SSW
25
SW
15
WSW
25
W
20
WNW
10
NNW
10
SSE
20
SSE
20
WSW
30
WNW
20
WNW
15
W
10
SW
20
WNW
15
WNW
10
WNW
5
E
10
S
20
S
 mm 
14
1
4
1
1
max°C
-5
-5
-4
-1
-1
1
7
5
5
4
4
14
14
6
-2
-1
0
5
7
6
3
-1
-1
0
6
8
1
-4
-3
-3
0
-1
-3
-2
0
8
Moonrise
3:01
4:05
5:08
6:11
7:09
8:01
8:45
9:21
9:51
10:16
10:38
10:58
Moonset
1:10
1:36
2:07
2:45
3:32
4:28
5:30
6:37
7:45
8:53
10:02
11:11
Sunrise
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
7:11
Sunset
4:12
4:12
4:12
4:13
4:13
4:13
4:14
4:14
4:15
4:15
4:15
4:16
Today's sea temperature in Chelsea is
6.7° C
(Statistics for 15 Dec 1981-2005 – mean: 7.9 max: 9.9 min: 6.3°C)
Issued (local time): 6 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest