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

Heavy rain (total 33mm), heaviest during Fri afternoon. Cool air temperatures (max 11°C on Sat afternoon, min 4°C on Thu night). Winds decreasing (strong winds from the SE on Fri afternoon, light winds from the SSE by Sat night).

Days 5–7 Weather Summary

Heavy rain (total 39mm), heaviest during Tue night. Cool air temperatures (max 13°C on Tue afternoon, min 8°C on Sun night). Winds decreasing (fresh winds from the W on Sun night, light winds from the S by Tue afternoon).

Days 8–10 Weather Summary

Light rain (total 8mm), mostly falling on Thu night. Very mild (max 12°C on Thu afternoon, min 9°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 9mm), mostly falling on Tue morning. Very mild (max 11°C on Sat night, min 6°C on Mon night). Winds increasing (light winds from the WSW on Mon night, strong winds from the W by Tue morning).

Friday
5
Saturday
6
Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tue
16
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
10:08PM7.65m
10:32AM7.75m
10:57PM7.76m
11:18AM7.86m
11:46PM7.67m
12:05PM7.81m
00:35AM7.39m
12:53PM7.61m
1:25AM6.97m
1:42PM7.27m
2:17AM6.48m
2:34PM6.85m
3:14AM6.02m
3:32PM6.42m
4:16AM5.67m
4:35PM6.05m
5:24AM5.49m
5:42PM5.81m
6:29AM5.51m
6:47PM5.75m
7:26AM5.67m
7:45PM5.83m
8:16AM5.90m
Low Tide
4:38AM0.21m
5:03PM0.06m
5:26AM0.21m
5:52PM-0.04m
6:14AM0.35m
6:42PM0.04m
7:01AM0.61m
7:33PM0.28m
7:49AM0.96m
8:25PM0.63m
8:40AM1.36m
9:19PM1.03m
9:33AM1.74m
10:16PM1.41m
10:31AM2.06m
11:16PM1.70m
11:35AM2.25m
00:17AM1.88m
12:41PM2.28m
1:17AM1.92m
1:43PM2.15m
2:10AM1.85m
2:36PM1.93m
Wave
height (m) 
direction
period (s) 
0.5
WNW
4
0.4
SSE
2
1.4
SE
4
1.3
WSW
4
0.9
WSW
4
1.5
W
5
1.3
WNW
5
0.5
WNW
4
0.7
ESE
4
1.6
WNW
6
1.3
WSW
5
0.8
W
4
0.4
ESE
3
0.3
ESE
4
0.2
W
13
0.4
WNW
13
1.1
NW
5
1.3
WNW
5
0.9
W
5
0.6
ESE
3
0.7
ESE
3
0.9
ESE
4
0.6
SSW
5
0.4
WNW
20
0.6
W
19
0.5
SW
5
0.4
ESE
3
0.4
ESE
4
0.6
WSW
4
0.7
W
4
0.5
WNW
4
0.8
WNW
4
0.9
WNW
5
0.6
WNW
4
0.5
WSW
4
1.7
W
6
part cloud
cloud
mod rain
mod rain
light rain
light rain
part cloud
light rain
light rain
rain showers
part cloud
cloud
light rain
mod rain
mod rain
heavy rain
light rain
clear
part cloud
cloud
part cloud
light rain
rain showers
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
cloud
part cloud
clear
part cloud
mod rain
rain showers
some clouds
cloudy
mod rain
mod rain
light rain
light rain
some clouds
light rain
light rain
rain shwrs
some clouds
cloudy
light rain
mod rain
mod rain
heavy rain
light rain
clear
some clouds
cloudy
some clouds
light rain
rain shwrs
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
cloudy
some clouds
clear
some clouds
mod rain
rain shwrs
 km/h
10
SSW
15
SSE
45
SE
30
SSW
20
SW
35
WSW
25
WSW
15
ESE
15
SSE
25
WSW
30
SW
10
SSW
15
SE
10
SE
5
S
10
W
20
WNW
25
WSW
20
SSW
15
SE
20
SE
20
SSE
15
SSE
15
SSE
15
S
10
SSE
10
SSE
15
S
15
SSW
15
SW
15
SW
15
SW
15
W
10
SSW
20
S
35
WSW
 mm 
9
10
5
3
1
5
1
1
7
8
17
5
4
4
6
1
max°C
6
9
9
10
10
11
10
11
11
11
12
11
11
12
13
13
10
9
10
11
12
12
12
12
12
12
12
11
11
10
8
10
9
9
10
7
Moonrise
3:44
4:57
6:26
7:58
9:26
10:48
12:06
1:21
2:34
3:48
5:04
Moonset
9:30
10:38
11:21
11:48
12:06
12:19
12:28
12:37
12:45
12:54
1:05
1:19
Sunrise
8:11
8:12
8:15
8:15
8:17
8:18
8:18
8:19
8:21
8:22
8:22
8:23
Sunset
3:57
3:57
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
3:56
Today's sea temperature in Colwyn Bay is
9.1° C
(Statistics for 04 Dec 1981-2005 – mean: 10.8 max: 12.0 min: 9.3°C)
Issued (local time): 11 pm Thursday 04 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest