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 08:26 AM and sunset is at 03:56 PM.

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Low air temperatures (max 9°C on Fri morning, min 5°C on Fri night). Winds decreasing (fresh winds from the SW on Fri morning, calm by Sun night).

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Mon morning, min 4°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 7°C on Fri afternoon, min 3°C on Thu night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 8°C on Tue morning, min 3°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
Tuesday
30
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
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
6:54PM6.28m
Low Tide
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
1:29AM1.38m
Wave
height (m) 
direction
period (s) 
1.6
W
5
1.4
W
6
0.7
WNW
5
0.6
ESE
3
0.9
SE
4
0.9
ESE
4
0.6
E
3
0.6
E
3
0.6
ENE
4
0.2
E
3
0.3
ESE
2
0.2
ESE
2
0.4
ESE
3
0.4
E
3
0.4
ENE
3
0.8
ENE
4
0.8
ENE
4
0.7
NE
4
0.6
NE
4
0.3
NE
3
0.4
NE
3
0.4
NE
3
0.6
ENE
4
0.8
NE
4
0.6
NE
4
0.6
N
3
0.9
NNE
4
0.9
NNE
4
0.6
NE
4
0.2
NNE
3
0.2
N
4
0.6
N
4
1
N
4
0.8
NNW
4
0.9
N
4
0.9
NNE
4
part cloud
clear
clear
clear
part cloud
light rain
cloud
light rain
light rain
cloud
cloud
part cloud
clear
part cloud
cloud
cloud
part cloud
part cloud
clear
clear
clear
cloud
cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
cloud
part cloud
some clouds
clear
clear
clear
some clouds
light rain
cloudy
light rain
light rain
cloudy
cloudy
some clouds
clear
some clouds
cloudy
cloudy
some clouds
some clouds
clear
clear
clear
cloudy
cloudy
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
clear
clear
cloudy
some clouds
some clouds
cloudy
some clouds
 km/h
30
SW
25
SW
15
S
15
SE
25
SE
20
SE
15
ESE
15
ESE
10
ESE
5
S
10
SE
10
SSE
10
SE
10
ESE
10
ENE
15
E
20
E
20
E
10
E
10
ENE
10
ESE
15
ENE
15
ENE
20
ENE
20
ENE
15
NNE
20
ENE
20
ENE
15
E
5
ESE
5
NNE
15
N
20
N
20
N
20
NE
15
NE
 mm 
2
2
3
max°C
9
9
8
8
8
8
8
8
9
8
7
6
6
6
7
6
6
4
4
5
4
6
7
7
6
7
7
6
6
4
4
7
7
8
7
6
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
9.7° C
(Statistics for 19 Dec 1981-2005 – mean: 9.9 max: 11.0 min: 9.0°C)
Issued (local time): 5 am Friday 19 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest