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 08:29 AM and sunset is at 04:00 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Sat afternoon, min 1°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Low air temperatures (max 5°C on Mon morning, min 1°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Fri night. Freeze-thaw conditions (max 6°C on Wed night, min 0°C on Fri night). Winds increasing (calm on Wed morning, strong winds from the N by Thu afternoon).

Days 10–12 Weather Summary

Heavy rain (total 22mm), heaviest during Mon morning. Mild temperatures (max 9°C on Tue morning, min 1°C on Sat morning). Wind will be generally light.

Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
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
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
7:35AM6.31m
8:02PM6.55m
8:35AM6.71m
9:03PM6.90m
9:30AM7.13m
9:58PM7.21m
10:21AM7.50m
10:49PM7.41m
11:09AM7.77m
11:38PM7.45m
11:55AM7.88m
00:24AM7.33m
Low Tide
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
2:02PM1.51m
2:35AM1.15m
3:07PM1.07m
3:35AM0.87m
4:04PM0.61m
4:28AM0.61m
4:57PM0.23m
5:17AM0.43m
5:46PM-0.01m
6:03AM0.38m
6:33PM-0.07m
Wave
height (m) 
direction
period (s) 
1.1
NE
5
1.2
NE
5
1.1
NE
5
0.9
NE
4
0.8
NE
4
0.7
NE
4
0.6
NE
4
0.9
NE
4
0.8
NE
4
0.4
NE
3
0.1
NE
3
0.1
NE
2
0.2
N
2
0.2
WNW
3
0.2
E
2
0
W
3
0.2
NNW
2
0.4
NNE
3
0.2
N
3
0.5
N
3
1.1
NW
5
2.2
NNW
6
2.2
N
6
1.4
N
6
0.4
NNW
4
0.3
WNW
2
0.4
SE
2
0.5
ESE
4
0.4
E
3
0.5
WNW
3
1.3
NW
6
0.9
NW
5
0.6
NW
4
0.6
W
4
0.4
W
5
0.6
W
4
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
rain showers
rain showers
part cloud
part cloud
cloud
part cloud
light snow
part cloud
cloud
mod rain
rain showers
light rain
mod rain
light rain
light rain
light rain
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
cloudy
some clouds
light snow
some clouds
cloudy
mod rain
rain shwrs
light rain
mod rain
light rain
light rain
light rain
 km/h
20
E
25
ENE
20
E
15
E
15
E
15
E
10
ESE
20
E
20
E
10
ESE
5
E
0
SSE
5
NW
5
NE
10
SE
5
W
5
WNW
5
ESE
0
WNW
15
NW
25
WNW
35
N
40
N
15
NNE
10
W
10
SSW
10
SE
10
SE
0
ENE
15
W
15
NNW
20
NW
5
WSW
10
S
10
S
15
SW
 mm 
2
2
6
1
2
6
4
1
2
max°C
4
4
3
3
4
2
4
6
4
2
3
4
5
4
3
4
5
4
5
5
6
4
3
2
3
2
1
3
3
7
7
8
8
5
5
8
Moonrise
11:23
11:32
11:42
11:52
12:04
12:21
12:46
1:25
2:26
3:49
5:22
6:55
Moonset
10:06
11:27
12:50
2:17
3:49
5:25
6:58
8:16
9:11
9:46
10:08
Sunrise
8:29
8:29
8:29
8:30
8:30
8:30
8:30
8:29
8:29
8:29
8:29
8:27
Sunset
4:00
4:00
4:01
4:02
4:04
4:05
4:06
4:07
4:07
4:08
4:09
4:12
Today's sea temperature in Colwyn Bay is
9.2° C
(Statistics for 25 Dec 1981-2005 – mean: 9.6 max: 10.4 min: 8.4°C)
Issued (local time): 5 am Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest