Llandudno, Gwynedd Sea Conditions and Tide Table

Llandudno, Gwynedd 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

Moderate rain (total 11mm), heaviest on Thu night. Low air temperatures (max 9°C on Thu night, min 6°C on Fri night). Winds decreasing (strong winds from the SW on Thu night, light winds from the ESE by Sun afternoon).

Days 5–7 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Low air temperatures (max 8°C on Sun night, min 5°C on Mon night). Winds increasing (light winds from the SSE on Mon morning, fresh winds from the E by Wed afternoon).

Days 8–10 Weather Summary

Some drizzle, heaviest during Fri night. Mild temperatures (max 8°C on Fri morning, min 4°C on Sat morning). Winds increasing (light winds from the NNE on Fri morning, fresh winds from the NE by Fri night).

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Sat night. Temperatures will be slightly above freezing (max 4°C on Sat night, min 1°C on Sun night). Mainly fresh winds.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
9:58PM6.74m
10:16AM7.04m
10:35PM6.83m
10:50AM7.17m
11:10PM6.89m
11:23AM7.25m
11:44PM6.91m
11:56AM7.27m
00:19AM6.88m
12:31PM7.25m
00:55AM6.81m
1:08PM7.20m
1:34AM6.70m
1:48PM7.11m
2:18AM6.56m
2:35PM6.99m
3:07AM6.41m
3:28PM6.85m
4:05AM6.29m
4:28PM6.73m
5:11AM6.26m
5:35PM6.69m
6:20AM6.37m
Low Tide
4:24AM1.58m
4:43PM1.60m
4:58AM1.53m
5:19PM1.49m
5:32AM1.50m
5:55PM1.42m
6:06AM1.50m
6:31PM1.38m
6:41AM1.55m
7:09PM1.38m
7:18AM1.63m
7:48PM1.40m
7:59AM1.74m
8:31PM1.46m
8:44AM1.87m
9:18PM1.54m
9:36AM1.99m
10:12PM1.64m
10:35AM2.07m
11:12PM1.71m
11:41AM2.07m
00:18AM1.71m
12:49PM1.94m
Wave
height (m) 
direction
period (s) 
1.4
W
5
1.6
W
6
1.5
W
6
0.7
WNW
5
0.7
ESE
3
0.9
SE
4
0.8
ESE
4
0.7
E
4
0.9
ENE
4
0.4
E
3
0.3
ESE
2
0.1
E
2
0.2
ESE
2
0.2
E
2
0.5
NE
3
0.7
NE
4
1.1
NE
5
1.1
NE
4
0.9
ENE
4
0.8
NE
4
0.6
ENE
3
0.4
NE
3
0.2
N
3
0.9
N
4
1.1
NNE
5
1.2
NE
5
1.2
ENE
4
1.2
NE
5
0.9
NE
4
0.7
ENE
4
0.5
ENE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ENE
3
0.6
NE
4
rain showers
part cloud
clear
clear
clear
cloud
rain showers
light rain
light rain
cloud
cloud
cloud
part cloud
light rain
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
cloud
cloud
rain showers
part cloud
part cloud
light rain
cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
light rain
rain shwrs
some clouds
clear
clear
clear
cloudy
rain shwrs
light rain
light rain
cloudy
cloudy
cloudy
some clouds
light rain
light rain
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
rain shwrs
some clouds
some clouds
light rain
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
some clouds
light rain
 km/h
40
SW
40
SW
30
SW
15
S
20
SE
30
SE
15
SE
20
ESE
20
ESE
15
SSE
10
SE
5
ESE
10
SE
10
E
15
E
20
E
25
E
30
E
25
E
20
E
20
ENE
15
ENE
10
NNE
25
N
30
NE
30
ENE
30
E
30
E
20
E
20
E
15
E
15
ESE
15
ESE
15
SE
15
E
15
ENE
 mm 
4
1
2
4
2
1
1
1
1
max°C
9
9
9
9
9
9
8
8
8
8
7
7
6
6
6
7
7
6
5
5
5
6
8
8
7
5
5
4
3
2
2
2
2
3
2
3
Moonrise
8:39
9:33
10:12
10:39
10:58
11:12
11:23
11:33
11:42
11:52
12:05
12:21
Moonset
2:44
3:39
4:48
6:05
7:25
8:46
10:06
11:28
12:50
2:17
3:49
Sunrise
8:26
8:26
8:27
8:27
8:29
8:29
8:29
8:30
8:30
8:30
8:30
8:30
Sunset
3:56
3:57
3:57
3:57
3:59
4:00
4:00
4:00
4:01
4:02
4:04
4:05
Today's sea temperature in Llandudno, Gwynedd is
9.8° C
(Statistics for 18 Dec 1981-2005 – mean: 10.0 max: 10.9 min: 8.9°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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