Caernarfon Sea Conditions and Tide Table

Caernarfon 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 Wed morning. Cool air temperatures (max 10°C on Wed afternoon, min 7°C on Thu afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 4mm) at first, then becoming colder with a dusting of snow on Sat night. Low air temperatures (max 7°C on Thu night, min 1°C on Sat night). Mainly fresh winds.

Days 8–10 Weather Summary

Heavy rain (total 28mm), heaviest during Sun night. Very mild (max 11°C on Sun night, min 6°C on Mon night). Winds decreasing (strong winds from the WSW on Tue afternoon, light winds from the E by Wed afternoon).

Days 11–13 Weather Summary

Heavy rain (total 44mm), heaviest during Wed night. Mild temperatures (max 7°C on Thu night, min 3°C on Wed night). Wind will be generally light.

Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
Wave Height Map
High Tide
4:03AM4.93m
4:34PM4.81m
5:15AM4.66m
6:00PM4.58m
6:46AM4.66m
7:28PM4.67m
8:01AM4.94m
8:31PM4.98m
8:54AM5.38m
9:18PM5.36m
9:35AM5.86m
9:56PM5.76m
10:11AM6.32m
10:31PM6.13m
10:44AM6.72m
11:05PM6.43m
11:17AM7.03m
11:39PM6.65m
11:51AM7.20m
00:13AM6.76m
12:26PM7.22m
00:49AM6.73m
1:03PM7.07m
1:27AM6.55m
1:43PM6.76m
2:09AM6.24m
2:29PM6.31m
Low Tide
9:56PM2.00m
10:21AM2.22m
10:57PM2.36m
11:37AM2.46m
00:19AM2.50m
1:07PM2.43m
1:41AM2.35m
2:22PM2.13m
2:43AM1.99m
3:14PM1.69m
3:28AM1.58m
3:56PM1.23m
4:07AM1.17m
4:33PM0.79m
4:42AM0.82m
5:08PM0.42m
5:16AM0.55m
5:42PM0.16m
5:50AM0.39m
6:16PM0.03m
6:25AM0.35m
6:51PM0.07m
7:02AM0.44m
7:28PM0.27m
7:41AM0.66m
8:09PM0.62m
8:25AM0.99m
8:55PM1.08m
Wave
height (m) 
direction
period (s) 
0.5
SW
9
0.6
WSW
14
0.5
WSW
17
0.4
WSW
13
1.1
SW
6
1.4
WSW
14
0.9
WSW
14
0.8
WSW
17
1.2
WSW
16
1
WSW
15
1.3
W
8
1.2
N
4
0.7
NW
5
0.4
NW
4
0.2
WSW
14
0.9
SW
4
1.3
SSW
6
1.4
SW
8
1.4
SSW
5
2
WSW
7
1.8
WSW
6
2
WSW
7
2.1
W
7
2.2
WSW
7
2.1
WNW
7
1.2
WNW
5
0.6
WSW
9
0.6
SE
3
0.5
SW
8
0.6
WSW
10
1.3
WSW
12
1.3
WSW
15
1
WSW
14
0.7
WSW
12
1.2
NW
5
1.4
NW
6
0.6
W
8
0.5
W
3
0.6
W
4
0.5
W
4
0.5
WNW
4
0.4
WNW
4
0.4
SW
4
0.2
WSW
12
0.1
SW
11
0.1
SW
8
0.2
SSW
4
light rain
part cloud
light rain
light rain
light rain
rain showers
light rain
light rain
rain showers
cloud
light rain
rain showers
clear
clear
cloud
light snow
cloud
cloud
heavy rain
clear
rain showers
light rain
light rain
light rain
rain showers
part cloud
cloud
heavy rain
mod rain
mod rain
light rain
cloud
cloud
heavy rain
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
mod rain
light rain
light rain
some clouds
light rain
light rain
light rain
rain shwrs
light rain
light rain
rain shwrs
cloudy
light rain
rain shwrs
clear
clear
cloudy
light snow
cloudy
cloudy
heavy rain
clear
rain shwrs
light rain
light rain
light rain
rain shwrs
some clouds
cloudy
heavy rain
mod rain
mod rain
light rain
cloudy
cloudy
heavy rain
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
mod rain
light rain
 km/h
10
E
10
ESE
10
E
10
SSW
20
SSW
20
SW
5
SSW
5
W
15
W
5
SE
40
NE
35
NNE
10
N
10
NE
5
ESE
20
S
30
S
30
S
30
SSE
35
WSW
35
SW
35
WSW
40
WSW
45
SW
30
WNW
10
W
10
S
30
E
20
E
15
E
0
SE
15
NNE
5
N
15
NE
20
NNW
25
NNW
0
WSW
15
WSW
20
WSW
10
SW
15
SW
15
SW
5
WSW
5
SSW
5
E
15
E
15
ESE
 mm 
1
1
1
2
1
1
2
2
3
1
16
2
3
1
1
5
15
6
8
4
11
3
8
2
max°C
9
9
9
9
9
10
9
9
8
7
4
4
2
5
5
3
4
6
11
9
8
7
7
8
7
8
8
5
4
5
7
5
5
5
7
7
6
7
7
7
7
7
7
8
7
7
3
Moonrise
3:07
4:19
5:22
6:11
6:46
7:11
7:28
7:41
7:52
8:01
8:11
8:21
8:34
8:52
9:19
10:01
Moonset
10:06
10:37
11:20
12:19
1:32
2:52
4:15
5:39
7:02
8:26
9:51
11:20
12:51
2:23
3:49
Sunrise
7:43
7:41
7:39
7:37
7:35
7:33
7:31
7:30
7:28
7:26
7:24
7:22
7:20
7:16
7:15
7:13
Sunset
5:17
5:20
5:22
5:23
5:25
5:28
5:30
5:31
5:34
5:36
5:37
5:38
5:40
5:43
5:45
Today's sea temperature in Caernarfon is
6.7° C
(Statistics for 09 Feb 1981-2005 – mean: 7.7 max: 8.8 min: 5.9°C)
Issued (local time): 11 pm Monday 09 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest