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 —.

Days 1–4 Weather Summary

Some drizzle, heaviest during Sun afternoon. Cool air temperatures (max 11°C on Mon afternoon, min 5°C on Fri night). Mainly strong winds.

Days 5–7 Weather Summary

Some drizzle, heaviest during Thu afternoon. Cool air temperatures (max 14°C on Tue morning, min 8°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 11°C on Fri night, min 4°C on Sat night). Mainly strong winds.

Days 11–13 Weather Summary

Heavy rain (total 20mm), heaviest during Mon night. Very mild (max 15°C on Mon afternoon, min 4°C on Mon night). Winds increasing (light winds from the SE on Sun night, near gales from the WNW by Tue morning).

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
Sun
12
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
AM
Wave Height Map
High Tide
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) 
0.3
NW
2
0.4
NW
2
0.6
NW
3
0.2
WNW
2
0.3
WSW
2
0.9
WSW
4
0.4
W
3
0.3
WNW
2
0.4
NW
3
0.2
W
2
0.2
WSW
3
0.3
WSW
2
0.1
SW
3
0.1
W
3
0.4
WSW
3
0.2
WSW
2
0.2
WSW
2
0.4
WSW
3
0.2
WSW
3
0.1
W
4
0.2
SSW
2
0.8
WSW
4
0.5
W
3
0.3
WNW
3
0.1
W
3
0.1
S
2
0.2
S
2
0.1
S
2
0.1
W
3
0.4
S
3
0.4
SSW
3
1.2
W
4
1
NW
4
0.7
N
4
0.5
NNE
3
0.4
NE
3
0.1
NE
2
0
E
2
0
W
14
0
W
13
0
W
4
0
W
3
0.3
NNE
2
0.4
NE
3
0.2
NNE
2
0.3
NNE
2
0.3
NE
2
clear
part cloud
clear
part cloud
cloud
light rain
part cloud
part cloud
part cloud
part cloud
part cloud
clear
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
light rain
light rain
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
mod rain
light rain
mod rain
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
light rain
light rain
rain showers
part cloud
part cloud
part cloud
cloud
clear
some clouds
clear
some clouds
cloudy
light rain
some clouds
some clouds
some clouds
some clouds
some clouds
clear
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
cloudy
light rain
light rain
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
mod rain
light rain
mod rain
cloudy
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
light rain
light rain
rain shwrs
some clouds
some clouds
some clouds
cloudy
 km/h
20
NW
30
NW
35
NW
15
WNW
25
WSW
40
WSW
25
WNW
25
NW
30
NW
15
W
15
WNW
25
WNW
10
W
15
WNW
25
W
15
WSW
20
WSW
25
WSW
15
W
5
E
25
SSW
40
W
30
WNW
20
WNW
5
WSW
10
S
20
S
5
SE
15
SE
25
S
25
S
60
WNW
50
NW
35
N
30
NNE
20
NE
10
NE
10
E
5
SSW
5
SSE
10
E
10
NNW
20
NNE
20
NE
20
NNE
20
NNE
20
NE
 mm 
1
1
1
1
9
5
6
1
1
1
max°C
9
8
8
7
9
9
10
10
11
10
14
14
12
14
12
10
12
11
10
9
10
11
10
10
7
10
11
8
14
15
12
5
7
7
6
8
7
9
10
8
8
10
9
9
10
8
10
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
4:41
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
1:49
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
5:22
Sunset
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): 11 pm Friday 27 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest