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 07:13 AM and sunset is at 06:59 PM.

Days 1–3 Weather Summary

Light rain (total 6mm) at first, then becoming colder with a dusting of snow on Thu afternoon. Icy conditions (max 11°C on Thu morning, min 0°C on Fri morning). Winds decreasing (fresh winds from the SW on Fri night, light winds from the NE by Sat night).

Days 4–6 Weather Summary

Moderate rain (total 19mm), heaviest on Mon night. Icy conditions (max 15°C on Mon afternoon, min -2°C on Tue night). Winds increasing (light winds from the E on Sun morning, strong winds from the S by Mon night).

Days 7–9 Weather Summary

Light rain (total 4mm), mostly falling on Thu night. Freeze-thaw conditions (max 9°C on Fri afternoon, min -2°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Sat morning. Warm (max 24°C on Mon afternoon, min 5°C on Sat night). Wind will be generally light.

Thursday
12
Friday
13
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
Fri
27
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
3:52PM1.10m
4:18AM1.35m
4:56PM1.14m
5:20AM1.41m
5:56PM1.23m
6:17AM1.49m
6:47PM1.35m
7:05AM1.58m
7:31PM1.49m
7:48AM1.66m
8:11PM1.62m
8:29AM1.72m
8:49PM1.74m
9:09AM1.73m
9:28PM1.82m
9:52AM1.71m
10:09PM1.86m
10:37AM1.65m
10:54PM1.86m
11:28AM1.56m
11:44PM1.81m
12:24PM1.48m
00:41AM1.75m
1:25PM1.40m
1:43AM1.67m
2:29PM1.35m
2:48AM1.61m
3:35PM1.34m
Low Tide
10:22AM0.34m
10:23PM0.39m
11:21AM0.29m
11:26PM0.32m
12:12PM0.20m
00:20AM0.23m
12:58PM0.10m
1:10AM0.13m
1:42PM0.01m
1:57AM0.03m
2:24PM-0.08m
2:44AM-0.06m
3:04PM-0.15m
3:30AM-0.13m
3:44PM-0.19m
4:15AM-0.17m
4:24PM-0.19m
5:00AM-0.17m
5:04PM-0.16m
5:46AM-0.13m
5:47PM-0.09m
6:36AM-0.05m
6:34PM0.01m
7:34AM0.05m
7:30PM0.12m
8:44AM0.12m
8:44PM0.20m
10:00AM0.15m
Wave
height (m) 
direction
period (s) 
0.9
NNW
4
0.7
NNW
4
0.6
WNW
3
0.4
SE
8
1
SSE
5
1
SSE
8
1
W
4
0.6
WNW
3
0.3
SSE
7
0.4
ESE
3
0.7
ESE
4
1.2
SE
6
1.3
SE
8
1.5
SSE
9
1.2
SE
10
0.9
SE
10
0.8
SE
10
0.7
SE
10
0.6
SE
10
0.4
SE
9
0.5
SE
9
0.6
SE
9
0.9
ESE
4
0.9
ESE
6
0.7
ESE
7
0.7
ESE
8
0.6
SE
9
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
10
0.7
ESE
9
0.7
ESE
8
0.5
ESE
8
0.5
ESE
8
0.4
ESE
9
0.3
ESE
9
0.3
ESE
9
1
E
4
1.3
ESE
6
1.4
ESE
7
1.4
ESE
7
1.5
ESE
7
1.5
ESE
8
0.9
ESE
8
0.8
ESE
8
light rain
light snow
rain showers
part cloud
cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
light rain
light rain
mod rain
rain showers
part cloud
cloud
clear
clear
part cloud
cloud
cloud
cloud
light rain
cloud
part cloud
light rain
rain showers
cloud
light rain
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
light rain
mod rain
light snow
cloud
cloud
light snow
heavy rain
rain showers
light rain
light snow
rain shwrs
some clouds
cloudy
rain shwrs
some clouds
clear
some clouds
some clouds
some clouds
light rain
light rain
mod rain
rain shwrs
some clouds
cloudy
clear
clear
some clouds
cloudy
cloudy
cloudy
light rain
cloudy
some clouds
light rain
rain shwrs
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
light rain
mod rain
light snow
cloudy
cloudy
light snow
heavy rain
rain shwrs
 km/h
25
NW
20
NW
15
WNW
20
SSW
30
SSW
30
WSW
30
W
25
WNW
10
N
20
ESE
25
SE
25
SE
25
S
35
S
25
W
20
W
25
W
20
WNW
15
W
10
W
10
SSW
20
SE
20
SE
10
SE
10
WNW
5
W
5
S
15
N
10
ENE
10
ESE
10
E
10
SE
10
SSW
20
WSW
20
W
20
NNW
10
ENE
0
WSW
10
ENE
25
ESE
25
E
20
ENE
25
ENE
25
E
25
E
10
WNW
10
W
 mm 
1
3
1
1
3
2
7
7
2
2
3
1
5
7
8
14
2
max°C
11
2
3
3
7
9
3
8
7
2
6
11
14
15
15
1
5
4
-1
4
5
3
4
6
5
9
7
6
10
8
5
6
7
13
24
19
8
7
7
4
3
2
1
2
4
5
14
Moonrise
3:35
4:20
4:58
5:30
5:57
6:22
6:45
7:08
7:32
8:00
8:33
9:14
10:05
11:08
12:18
1:32
Moonset
12:13
1:14
2:20
3:28
4:37
5:46
6:57
8:09
9:25
10:42
12:00
1:16
2:23
3:20
4:04
Sunrise
7:13
7:11
7:09
7:09
7:07
7:05
7:03
7:01
7:01
6:58
6:56
6:56
6:54
6:52
6:50
6:48
Sunset
6:59
7:00
7:00
7:02
7:04
7:05
7:06
7:07
7:07
7:08
7:09
7:10
7:12
7:13
7:14
7:15
Today's sea temperature in Chelsea is
4.5° C
(Statistics for 12 Mar 1981-2005 – mean: 2.8 max: 5.0 min: 0.9°C)
Issued (local time): 7 am Thursday 12 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest