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 05:34 PM.

Days 1–4 Weather Summary

A dusting of snow giving way to moderate rain (total 12mm) heaviest on Fri morning. Air temperatures will be slightly above freezing (max 4°C on Tue afternoon, min 1°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Drizzle on Fri afternoon followed by colder weather and a moderate fall of snow, heaviest on Mon morning. Icy conditions (max 8°C on Sat morning, min -2°C on Mon morning). Winds increasing (light winds from the NNW on Fri night, strong winds from the N by Mon morning).

Days 8–10 Weather Summary

A dusting of snow turning to light rain (total 2mm) on Wed afternoon. Freeze-thaw conditions (max 3°C on Wed afternoon, min -10°C on Tue night). Winds decreasing (fresh winds from the NNW on Mon afternoon, calm by Tue night).

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Freeze-thaw conditions (max 15°C on Sun afternoon, min -2°C on Thu night). Wind will be generally light.

Tue
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
1
Monday
2
Tuesday
3
Wednesday
4
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
night
Wave Height Map
High Tide
8:19PM1.52m
8:34AM1.70m
8:56PM1.59m
9:12AM1.68m
9:34PM1.64m
9:54AM1.62m
10:17PM1.66m
10:40AM1.54m
11:04PM1.66m
11:33AM1.44m
11:57PM1.64m
12:31PM1.36m
00:55AM1.61m
1:34PM1.29m
1:58AM1.58m
2:42PM1.26m
3:08AM1.56m
3:54PM1.28m
4:20AM1.59m
5:03PM1.36m
5:27AM1.66m
6:03PM1.48m
6:23AM1.73m
6:55PM1.59m
7:12AM1.77m
7:41PM1.68m
7:56AM1.77m
Low Tide
2:39PM-0.16m
2:51AM-0.10m
3:17PM-0.20m
3:33AM-0.12m
3:53PM-0.21m
4:14AM-0.12m
4:28PM-0.19m
4:58AM-0.08m
5:06PM-0.14m
5:45AM-0.02m
5:49PM-0.06m
6:43AM0.07m
6:41PM0.04m
7:56AM0.13m
7:52PM0.12m
9:14AM0.13m
9:12PM0.14m
10:24AM0.08m
10:23PM0.09m
11:24AM-0.00m
11:26PM0.02m
12:19PM-0.09m
00:23AM-0.06m
1:09PM-0.16m
1:16AM-0.13m
1:55PM-0.22m
2:05AM-0.17m
2:38PM-0.23m
Wave
height (m) 
direction
period (s) 
0.6
ESE
9
0.4
ESE
9
0.4
ESE
10
0.4
SE
11
0.4
SE
12
0.4
ESE
12
0.5
SE
8
0.5
E
4
0.9
E
5
0.8
ESE
5
0.6
ESE
7
0.5
SE
7
0.4
SE
7
0.4
SE
6
1.1
E
6
1.3
E
6
1.6
ESE
8
2
ESE
11
1.6
ESE
12
1.1
ESE
11
0.9
ESE
11
0.8
NW
4
0.4
NNW
3
0.2
ESE
10
0.7
SE
4
0.4
SSE
6
0.4
SE
8
0.4
SSE
8
0.4
SSE
9
0.5
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
4
0.6
SSE
6
0.4
SSE
6
0.7
SSE
3
0.9
SSE
5
1
SE
6
0.8
SE
7
0.6
SE
7
0.7
SE
7
0.6
SE
8
0.4
SE
8
0.4
SE
9
0.4
SE
10
0.4
ESE
10
0.4
ESE
10
part cloud
cloud
light rain
light rain
rain showers
cloud
cloud
light snow
mod rain
light rain
part cloud
part cloud
part cloud
part cloud
cloud
cloud
mod snow
mod snow
light snow
part cloud
clear
clear
part cloud
cloud
light rain
light rain
cloud
part cloud
clear
cloud
clear
cloud
cloud
part cloud
light rain
light rain
cloud
rain showers
light rain
light rain
clear
clear
cloud
part cloud
part cloud
cloud
mod rain
some clouds
cloudy
light rain
light rain
rain shwrs
cloudy
cloudy
light snow
mod rain
light rain
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
mod snow
mod snow
light snow
some clouds
clear
clear
some clouds
cloudy
light rain
light rain
cloudy
some clouds
clear
cloudy
clear
cloudy
cloudy
some clouds
light rain
light rain
cloudy
rain shwrs
light rain
light rain
clear
clear
cloudy
some clouds
some clouds
cloudy
mod rain
 km/h
10
WSW
5
WSW
5
SE
5
N
10
NE
10
E
15
ESE
10
ENE
20
ENE
10
NE
5
W
10
WNW
10
NNW
10
ENE
25
ENE
25
ENE
35
NNE
45
N
35
NNW
30
NW
30
WNW
25
WNW
10
NNW
10
ESE
20
SSE
5
SW
5
WSW
10
W
10
W
20
WNW
10
W
5
ESE
5
S
5
SSE
5
SE
15
S
25
S
25
S
20
SSW
15
WSW
20
NW
20
NNW
5
NE
10
SSW
10
SSW
15
SSW
10
S
 mm 
2
2
1
7
1
1
1
2
1
1
1
1
6
max°C
4
4
3
3
3
2
2
2
3
3
3
8
8
4
1
2
0
-2
1
-1
-5
-4
-9
-2
3
3
3
3
1
3
4
4
7
7
8
12
15
13
15
15
10
6
8
3
6
8
7
Moonrise
7:20
7:43
8:05
8:30
8:58
9:33
10:16
11:10
12:15
1:28
2:44
3:58
5:09
6:18
7:24
Moonset
5:56
7:05
8:15
9:26
10:40
11:56
1:12
2:25
3:29
4:22
5:04
5:38
6:05
6:29
6:51
Sunrise
6:46
6:45
6:43
6:41
6:39
6:39
6:37
6:35
6:35
6:33
6:31
6:30
6:28
6:26
6:24
Sunset
5:34
5:35
5:36
5:37
5:38
5:39
5:40
5:42
5:43
5:44
5:45
5:46
5:47
5:49
5:50
5:51
Today's sea temperature in Chelsea is
0.8° C
(Statistics for 17 Feb 1981-2005 – mean: 2.5 max: 4.4 min: 0.3°C)
Issued (local time): 6 pm Tuesday 17 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest