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 04:29 PM.

Days 1–3 Weather Summary

Mostly dry. Icy conditions (max 4°C on Sun morning, min -6°C on Mon morning). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Wed afternoon. Icy conditions (max 8°C on Wed morning, min 0°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max 0°C on Sat morning, min -4°C on Sat night). Wind will be generally light.

Days 10–12 Weather Summary

A dusting of new snow. Freeze-thaw conditions (max 2°C on Wed morning, min -3°C on Mon night). Winds decreasing (fresh winds from the NNE on Mon night, light winds from the WSW by Wed night).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
9:36AM1.92m
10:18PM1.51m
10:32AM1.81m
11:17PM1.47m
11:30AM1.69m
00:16AM1.44m
12:27PM1.57m
1:12AM1.42m
1:21PM1.47m
2:05AM1.42m
2:13PM1.37m
2:57AM1.43m
3:06PM1.30m
3:49AM1.46m
4:01PM1.25m
4:39AM1.50m
4:55PM1.24m
5:27AM1.55m
5:46PM1.25m
6:10AM1.60m
6:32PM1.28m
6:51AM1.64m
Low Tide
4:33PM-0.23m
4:31AM-0.09m
5:24PM-0.16m
5:24AM0.02m
6:16PM-0.07m
6:21AM0.12m
7:12PM0.01m
7:24AM0.21m
8:10PM0.07m
8:32AM0.26m
9:05PM0.10m
9:35AM0.25m
9:55PM0.11m
10:30AM0.21m
10:40PM0.11m
11:18AM0.16m
11:22PM0.10m
12:04PM0.10m
00:03AM0.09m
12:49PM0.05m
00:45AM0.08m
1:32PM0.01m
Wave
height (m) 
direction
period (s) 
0.4
SE
9
0.4
SE
8
0.6
WNW
3
0.7
N
4
0.7
NNE
4
0.3
ESE
8
0.3
ESE
8
0.6
S
3
0.7
SW
3
0.7
SSW
3
0.9
SSE
8
0.7
SW
3
0.4
SSE
9
0.4
SE
9
0.1
SE
8
0.2
SSE
7
0.3
NNW
2
0.4
NNW
3
0.1
SE
7
0.1
SE
7
0.5
NNW
3
0.6
NW
3
0.6
NW
3
0.3
WNW
2
0.1
SE
10
0.1
SE
10
0.6
NE
3
1.4
ENE
6
1.4
ESE
9
1.3
ESE
11
0.9
ESE
11
0.8
ESE
12
0.5
ESE
12
0.4
ESE
11
0.4
ESE
11
cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
cloud
cloud
clear
part cloud
clear
part cloud
cloud
light snow
light snow
cloud
cloud
clear
clear
clear
clear
part cloud
cloud
cloudy
clear
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
cloudy
cloudy
clear
some clouds
clear
some clouds
cloudy
light snow
light snow
cloudy
cloudy
clear
clear
clear
clear
some clouds
cloudy
 km/h
10
WNW
15
WSW
20
WNW
25
N
20
NNE
10
NNE
10
SSE
15
SSW
20
SW
20
SSW
25
SW
25
WSW
15
NW
10
WNW
5
SE
10
N
15
NW
15
NNW
10
NW
5
NW
20
NW
25
NW
20
WNW
10
W
10
SW
5
S
20
NNE
30
NNE
30
N
25
NNW
15
NW
15
WNW
10
WNW
10
SW
15
SSW
 mm 
2
max°C
4
4
2
-4
-4
-4
2
3
1
8
8
8
3
3
2
3
3
-1
0
-1
-3
-1
0
-2
-1
-3
-2
-2
-1
-2
2
2
-1
1
2
Moonrise
7:26
8:42
9:54
11:01
12:05
1:08
2:09
3:10
4:13
5:15
6:17
Moonset
10:06
10:46
11:16
11:42
12:04
12:24
12:43
1:04
1:27
1:54
2:27
3:06
Sunrise
7:05
7:07
7:07
7:09
7:09
7:11
7:11
7:11
7:13
7:13
7:13
7:15
Sunset
4:29
4:29
4:29
4:29
4:29
4:29
4:30
4:30
4:30
4:30
4:30
4:30
Today's sea temperature in Chelsea is
7.2° C
(Statistics for 07 Dec 1981-2005 – mean: 8.8 max: 11.1 min: 6.9°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest