Cardiff Sea Conditions and Tide Table

Cardiff 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 06:37 PM.

Days 1–4 Weather Summary

Light rain (total 2mm), mostly falling on Sun afternoon. Cool air temperatures (max 10°C on Fri afternoon, min 5°C on Fri night). Mainly strong winds.

Days 5–7 Weather Summary

Mostly dry. Cool air temperatures (max 14°C on Wed morning, min 8°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 9mm), mostly falling on Sun morning. Very mild (max 15°C on Sat afternoon, min 4°C on Thu night). Winds increasing (light winds from the SW on Fri morning, fresh winds from the SSW by Sun morning).

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Sun afternoon. Very mild (max 12°C on Wed afternoon, min 5°C on Sun night). Winds decreasing (strong winds from the WSW on Sun night, calm by Tue night).

Fri
27
Saturday
28
Sunday
29
Monday
30
Tuesday
31
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
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
1:52PM8.68m
2:41AM8.97m
3:28PM8.94m
4:03AM9.53m
4:37PM9.68m
5:01AM10.35m
5:28PM10.52m
5:47AM11.16m
6:09PM11.27m
6:27AM11.82m
6:47PM11.85m
7:03AM12.26m
7:22PM12.20m
7:38AM12.45m
7:56PM12.30m
8:12AM12.37m
8:29PM12.15m
8:45AM12.04m
9:02PM11.78m
9:19AM11.49m
9:36PM11.20m
9:54AM10.77m
10:13PM10.48m
10:33AM9.93m
10:55PM9.68m
11:21AM9.08m
11:51PM8.92m
12:32PM8.38m
Low Tide
8:10PM4.25m
9:10AM4.04m
9:50PM3.94m
10:34AM3.40m
11:00PM3.18m
11:31AM2.57m
11:51PM2.37m
12:15PM1.82m
00:31AM1.68m
12:52PM1.25m
1:07AM1.19m
1:26PM0.90m
1:40AM0.93m
1:58PM0.80m
2:12AM0.91m
2:29PM0.92m
2:43AM1.11m
3:00PM1.26m
3:16AM1.52m
3:32PM1.79m
3:50AM2.10m
4:06PM2.46m
4:28AM2.79m
4:46PM3.21m
5:13AM3.53m
5:35PM3.95m
6:13AM4.19m
6:44PM4.52m
Wave
height (m) 
direction
period (s) 
0.4
SW
3
0.4
NW
2
0.4
NW
3
0.5
NW
3
0.2
WNW
2
0.3
WSW
2
0.9
WSW
4
0.4
WSW
3
0.3
W
2
0.4
WNW
3
0.2
W
2
0.2
WSW
3
0.3
W
2
0.1
NW
2
0.1
W
4
0.2
WSW
2
0.2
WSW
2
0.3
SW
3
0.6
SW
3
0.3
WNW
2
0.1
W
7
0.5
SW
3
0.6
SW
4
0.2
WSW
3
0.4
SW
3
0.5
SW
3
0.9
SW
4
0.5
SW
4
0.7
WSW
4
0.6
WSW
4
0.8
WSW
4
0.5
W
3
0.3
SW
3
0.1
W
5
0
W
8
0
W
11
0.1
SW
2
0.1
SW
2
0.1
SW
3
0.2
WSW
3
0.1
W
3
0
W
7
0.3
WSW
2
0.6
SW
3
0.2
WSW
3
0.2
W
2
0.1
N
2
cloud
clear
part cloud
clear
part cloud
cloud
light rain
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
cloud
light rain
clear
cloud
light rain
light rain
cloud
rain showers
cloud
light rain
rain showers
light rain
thunderstorm
part cloud
rain showers
cloud
part cloud
clear
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
mod rain
light rain
thunderstorm
light rain
cloudy
clear
some clouds
clear
some clouds
cloudy
light rain
some clouds
some clouds
clear
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
cloudy
light rain
clear
cloudy
light rain
light rain
cloudy
rain shwrs
cloudy
light rain
rain shwrs
light rain
risk tstorm
some clouds
rain shwrs
cloudy
some clouds
clear
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
mod rain
light rain
risk tstorm
light rain
 km/h
20
W
20
NW
30
NW
30
NW
15
WNW
25
WSW
40
WSW
25
WNW
25
WNW
30
WNW
15
W
15
W
20
WNW
10
WNW
10
W
20
W
10
WSW
20
SSW
25
SW
15
WNW
10
SW
25
SSW
30
WSW
10
WSW
25
SW
30
SW
35
SSW
20
WSW
30
W
30
WSW
35
W
20
W
15
SSW
10
E
5
NNW
10
S
15
SW
15
SW
10
WNW
20
WNW
10
NW
0
NW
25
W
25
SW
10
W
20
NW
10
NW
 mm 
2
2
2
1
2
2
3
3
2
1
8
4
3
3
max°C
10
8
8
8
7
9
9
10
10
11
10
12
12
12
14
14
10
11
10
6
8
8
11
12
15
12
12
10
7
7
8
7
8
9
8
11
12
10
11
11
9
9
9
8
8
9
6
Moonrise
1:11
3:35
4:54
6:12
7:27
8:42
9:57
11:13
12:26
1:35
2:34
3:21
3:56
4:22
Moonset
4:28
5:46
6:00
6:12
6:23
6:34
6:46
7:01
7:20
7:45
8:19
9:06
10:06
11:15
12:31
Sunrise
5:56
6:54
5:52
5:50
5:48
5:46
5:43
5:41
5:39
5:37
5:33
5:31
5:30
5:28
5:24
Sunset
6:37
6:38
7:39
6:42
6:44
6:45
6:46
6:49
6:50
6:52
6:53
6:54
6:57
6:59
7:00
7:01
Today's sea temperature in Cardiff is
9.6° C
(Statistics for 27 Mar 1981-2005 – mean: 9.3 max: 10.4 min: 7.6°C)
Issued (local time): 5 pm Friday 27 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest