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

Heavy rain (total 20mm), heaviest during Mon afternoon. Cool air temperatures (max 10°C on Tue morning, min 7°C on Sun night). Winds increasing (calm on Mon night, fresh winds from the WSW by Wed morning).

Days 5–7 Weather Summary

Moderate rain (total 14mm), heaviest on Wed night. Cool air temperatures (max 10°C on Thu morning, min 2°C on Fri night). Winds decreasing (strong winds from the N on Fri afternoon, light winds from the W by Sat afternoon).

Days 8–10 Weather Summary

Moderate rain (total 14mm), heaviest on Sun night. Very mild (max 11°C on Sun night, min 3°C on Sat night). Winds increasing (calm on Sat night, strong winds from the WSW by Mon night).

Days 11–13 Weather Summary

Moderate rain (total 15mm), heaviest on Tue night. Very mild (max 10°C on Tue night, min 4°C on Wed night). Mainly strong winds.

Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tue
24
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
11:21PM10.14m
11:42AM9.92m
00:09AM9.37m
12:37PM9.10m
1:14AM8.73m
1:54PM8.51m
2:41AM8.47m
3:25PM8.45m
4:04AM8.76m
4:38PM8.90m
5:06AM9.42m
5:33PM9.59m
5:54AM10.22m
6:16PM10.35m
6:35AM11.00m
6:55PM11.05m
7:12AM11.67m
7:30PM11.62m
7:47AM12.17m
8:04PM12.01m
8:20AM12.45m
8:38PM12.19m
8:55AM12.48m
9:12PM12.12m
9:29AM12.25m
9:48PM11.81m
10:06AM11.77m
10:26PM11.28m
Low Tide
5:32AM2.95m
5:57PM3.25m
6:19AM3.68m
6:48PM3.96m
7:20AM4.31m
7:59PM4.47m
8:48AM4.60m
9:34PM4.53m
10:26AM4.30m
10:58PM4.04m
11:34AM3.59m
11:54PM3.30m
12:21PM2.80m
00:36AM2.53m
12:59PM2.06m
1:13AM1.83m
1:34PM1.45m
1:47AM1.29m
2:07PM1.02m
2:20AM0.94m
2:40PM0.81m
2:53AM0.82m
3:13PM0.83m
3:27AM0.94m
3:47PM1.08m
4:02AM1.31m
4:23PM1.55m
Wave
height (m) 
direction
period (s) 
0.2
S
2
0.1
SE
2
0.5
SE
3
0.2
ESE
3
0
W
18
0.1
W
5
0.3
SW
2
0.7
SW
4
0.4
SW
3
0.3
NE
3
0.2
WSW
2
0.7
WSW
3
0.9
SW
4
0.6
W
3
0.6
N
3
0.5
N
3
0.4
NW
2
0.1
N
2
0.1
W
13
0.6
SSW
3
0.8
SSW
4
0.9
SSW
4
0.5
SW
3
0.7
SW
4
1
WSW
4
0.4
WSW
3
0.4
SW
3
0.4
SE
3
0.1
SW
3
0.9
NW
4
0.5
W
3
0.5
W
3
0.5
WNW
3
0.2
W
2
0.1
W
4
0.1
W
3
0
W
8
0.1
NE
2
0
W
18
0
W
16
0.1
W
7
0.1
S
2
0.4
SE
3
0.4
SE
3
0.2
SSE
2
0.3
NE
2
0.3
NE
2
rain showers
cloud
light rain
light rain
cloud
light rain
light rain
cloud
light rain
heavy rain
part cloud
part cloud
rain showers
light rain
light rain
part cloud
clear
clear
cloud
cloud
cloud
heavy rain
part cloud
part cloud
part cloud
clear
cloud
heavy rain
cloud
cloud
clear
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
heavy rain
light rain
mod rain
cloud
part cloud
rain shwrs
cloudy
light rain
light rain
cloudy
light rain
light rain
cloudy
light rain
heavy rain
some clouds
some clouds
rain shwrs
light rain
light rain
some clouds
clear
clear
cloudy
cloudy
cloudy
heavy rain
some clouds
some clouds
some clouds
clear
cloudy
heavy rain
cloudy
cloudy
clear
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
heavy rain
light rain
mod rain
cloudy
some clouds
 km/h
10
SSE
15
ESE
30
SE
15
E
5
S
10
SE
25
WSW
35
WSW
15
SSW
20
NE
15
WSW
40
W
35
WSW
30
WNW
40
N
25
NNW
20
NNW
15
WNW
10
SE
35
S
40
S
40
S
25
WSW
35
WSW
45
WSW
20
WSW
20
S
15
S
10
W
45
WNW
25
WNW
30
WNW
35
WNW
15
WNW
10
WNW
10
SW
5
NNE
10
ENE
5
ENE
5
NE
10
E
15
SSE
25
SE
20
SE
15
E
20
NE
20
ENE
 mm 
6
5
1
4
1
3
11
1
1
1
14
15
16
5
10
max°C
8
9
8
9
10
10
10
10
10
8
10
9
8
6
5
4
6
7
5
4
6
11
10
9
8
9
9
10
8
6
6
7
7
5
7
7
5
5
6
6
5
6
5
6
6
5
4
Moonrise
1:36
2:50
3:59
5:01
5:51
6:28
6:56
7:16
7:32
7:45
7:57
8:08
8:21
8:37
8:58
9:29
Moonset
9:52
10:15
10:47
11:32
12:30
1:41
2:58
4:18
5:39
6:59
8:20
9:43
11:08
12:37
2:05
Sunrise
7:37
7:35
7:33
7:31
7:30
7:28
7:26
7:24
7:22
7:20
7:18
7:16
7:13
7:11
7:09
7:07
Sunset
5:15
5:17
5:20
5:22
5:23
5:24
5:27
5:29
5:30
5:32
5:35
5:36
5:37
5:39
5:42
Today's sea temperature in Cardiff is
7.0° C
(Statistics for 08 Feb 1981-2005 – mean: 9.3 max: 10.4 min: 7.9°C)
Issued (local time): 11 pm Sunday 08 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest