Colwyn Bay Sea Conditions and Tide Table

Colwyn Bay 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 5°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 7°C on Sun night, min 4°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Fri night. Mild temperatures (max 8°C on Fri morning, min 3°C on Sat afternoon). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 2mm) at first, then becoming colder with a dusting of snow on Tue night. Temperatures will be slightly above freezing (max 4°C on Sat night, min 1°C on Sun night). Wind will be generally light.

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
9:59PM6.40m
10:16AM6.65m
10:36PM6.56m
10:52AM6.84m
11:13PM6.64m
11:28AM6.96m
11:48PM6.65m
12:04PM7.02m
00:24AM6.59m
12:39PM7.02m
1:01AM6.48m
1:16PM6.94m
1:40AM6.33m
1:56PM6.80m
2:23AM6.17m
2:40PM6.62m
3:13AM6.01m
3:31PM6.41m
4:11AM5.90m
4:32PM6.23m
5:18AM5.88m
5:41PM6.16m
6:28AM6.02m
Low Tide
4:19AM1.37m
4:42PM1.19m
4:57AM1.23m
5:21PM1.02m
5:34AM1.12m
5:58PM0.93m
6:10AM1.08m
6:37PM0.91m
6:46AM1.11m
7:15PM0.95m
7:23AM1.21m
7:54PM1.04m
8:03AM1.36m
8:36PM1.15m
8:46AM1.55m
9:22PM1.27m
9:35AM1.75m
10:14PM1.40m
10:32AM1.90m
11:13PM1.49m
11:39AM1.95m
00:20AM1.50m
12:51PM1.83m
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
35
SW
35
SW
25
SW
15
S
20
SE
25
SE
15
SE
15
ESE
20
ESE
10
SSE
10
SSE
5
SE
10
SSE
10
E
10
E
15
E
20
E
25
E
20
E
15
E
15
ENE
10
ENE
5
NNE
20
N
25
NE
25
ENE
25
E
25
E
15
E
15
ESE
10
E
10
ESE
10
ESE
10
SE
10
E
10
ENE
 mm 
4
1
2
4
2
1
1
1
1
max°C
9
9
9
8
9
8
8
8
8
7
7
7
5
5
6
7
6
6
5
5
5
6
8
7
7
5
4
4
2
2
2
2
2
3
2
3
Moonrise
8:38
9:32
10:11
10:38
10:57
11:11
11:23
11:32
11:42
11:52
12:04
12:21
Moonset
2:45
3:39
4:48
6:05
7:25
8:46
10:06
11:27
12:50
2:17
3:49
Sunrise
8:26
8:26
8:26
8:27
8:27
8:29
8:29
8:29
8:29
8:30
8:30
8:30
Sunset
3:56
3:56
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 Colwyn Bay is
9.5° C
(Statistics for 18 Dec 1981-2005 – mean: 10.0 max: 11.0 min: 9.0°C)
Issued (local time): 11 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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