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 07:18 AM and sunset is at 04:53 PM.

Days 1–3 Weather Summary

A dusting of new snow. Icy conditions (max 6°C on Sat afternoon, min -5°C on Thu night). Winds decreasing (fresh winds from the W on Thu morning, calm by Fri night).

Days 4–6 Weather Summary

Mostly dry. Icy conditions (max 2°C on Mon afternoon, min -8°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 3°C on Fri night, min -7°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Freeze-thaw conditions (max 6°C on Sun morning, min -2°C on Mon morning). Wind will be generally light.

Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Fri
30
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
6:03PM1.18m
6:23AM1.55m
6:49PM1.24m
7:05AM1.61m
7:30PM1.29m
7:44AM1.65m
8:08PM1.33m
8:20AM1.66m
8:45PM1.36m
8:56AM1.66m
9:22PM1.39m
9:33AM1.63m
10:01PM1.42m
10:13AM1.58m
10:43PM1.45m
10:57AM1.51m
11:30PM1.49m
11:48AM1.43m
00:21AM1.52m
12:44PM1.36m
1:15AM1.55m
1:44PM1.29m
2:15AM1.56m
2:51PM1.25m
3:22AM1.59m
4:03PM1.25m
4:32AM1.64m
5:13PM1.32m
Low Tide
12:19PM0.08m
00:15AM0.10m
1:05PM0.02m
1:01AM0.06m
1:49PM-0.04m
1:46AM0.02m
2:30PM-0.09m
2:28AM-0.01m
3:09PM-0.13m
3:10AM-0.02m
3:46PM-0.15m
3:49AM-0.03m
4:21PM-0.16m
4:28AM-0.01m
4:55PM-0.14m
5:10AM0.02m
5:31PM-0.11m
5:57AM0.07m
6:12PM-0.06m
6:56AM0.12m
7:03PM-0.01m
8:11AM0.14m
8:11PM0.04m
9:28AM0.11m
9:24PM0.04m
10:36AM0.04m
10:32PM-0.00m
11:38AM-0.05m
Wave
height (m) 
direction
period (s) 
0.7
WSW
3
0.7
WSW
3
0.7
WNW
3
0.7
W
4
0.5
W
3
0.6
S
3
0.4
SSE
8
0.5
SSE
8
0.4
SE
8
0.5
SE
8
0.4
SE
8
0.4
NW
3
0.6
WSW
3
0.6
WSW
3
0.7
W
4
0.6
W
3
0.7
W
3
0.6
W
3
0.3
SE
10
0.5
S
3
0.6
SSE
6
0.7
WNW
3
0.5
WNW
3
0.2
ESE
10
0.1
SE
10
0.2
ESE
10
0.3
SE
10
0.2
ESE
10
0.2
ESE
9
0.4
SE
9
0.5
SE
8
0.4
SE
8
0.6
SE
8
0.4
NNW
3
0.3
SE
8
0.5
SE
3
0.6
SE
5
0.5
SE
6
0.6
SE
8
0.8
NNW
4
0.8
NNW
3
0.7
NNW
3
0.2
ESE
9
0.1
SE
9
0.3
SE
9
0.1
SE
9
0.1
SE
10
clear
clear
clear
part cloud
clear
snow showers
cloud
clear
cloud
cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
cloud
clear
clear
clear
cloud
clear
part cloud
cloud
light rain
rain showers
clear
part cloud
clear
clear
part cloud
cloud
light rain
light rain
clear
clear
clear
clear
part cloud
cloud
cloud
cloud
cloud
clear
clear
clear
some clouds
clear
snow shwrs
cloudy
clear
cloudy
cloudy
cloudy
clear
clear
clear
clear
clear
some clouds
clear
cloudy
some clouds
cloudy
clear
clear
clear
cloudy
clear
some clouds
cloudy
light rain
rain shwrs
clear
some clouds
clear
clear
some clouds
cloudy
light rain
light rain
clear
clear
clear
clear
some clouds
cloudy
cloudy
cloudy
cloudy
 km/h
30
W
25
W
25
WNW
25
W
20
SW
15
SW
10
SSW
20
WSW
10
SW
15
WNW
15
WNW
15
WNW
25
WSW
20
WSW
25
W
25
W
25
W
20
W
15
WSW
20
S
15
SW
25
WNW
15
WNW
5
NW
5
SSW
10
SSE
5
SW
5
SW
5
SW
10
WNW
15
NW
15
NW
15
NW
15
NNW
5
N
15
SE
10
S
5
WSW
20
NW
25
NW
20
NW
20
NW
10
WNW
5
SSW
5
SSW
0
NNE
10
NE
 mm 
3
5
3
2
max°C
1
1
-3
-1
1
2
5
6
3
0
0
-1
1
2
-4
-6
-5
-7
-4
0
1
1
2
-2
0
1
3
4
5
4
6
6
1
0
1
4
5
6
5
0
1
-3
-1
1
0
0
1
Moonrise
5:07
6:01
6:48
7:28
8:01
8:29
8:54
9:16
9:38
10:00
10:26
10:56
11:33
12:20
1:19
2:30
Moonset
1:47
2:40
3:40
4:46
5:53
7:01
8:09
9:17
10:25
11:36
12:50
2:06
3:23
4:35
5:37
Sunrise
7:18
7:16
7:16
7:16
7:16
7:15
7:15
7:13
7:13
7:13
7:11
7:11
7:09
7:09
7:09
7:07
Sunset
4:53
4:54
4:55
4:57
4:59
5:00
5:00
5:01
5:02
5:05
5:06
5:07
5:07
5:08
5:10
5:12
Today's sea temperature in Chelsea is
3.2° C
(Statistics for 15 Jan 1981-2005 – mean: 4.5 max: 7.1 min: 2.2°C)
Issued (local time): 6 am Thursday 15 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest