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 06:20 AM and sunset is at 08:14 PM.

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Tue afternoon. Cool air temperatures (max 13°C on Wed morning, min 9°C on Tue morning). Winds increasing (light winds from the SE on Tue morning, strong winds from the SSW by Wed night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri morning. Cool air temperatures (max 11°C on Fri morning, min 5°C on Sun night). Winds decreasing (fresh winds from the SSW on Fri night, calm by Sun night).

Days 7–9 Weather Summary

Mostly dry. Very mild (max 12°C on Wed afternoon, min 4°C on Mon night). Winds increasing (light winds from the N on Mon morning, fresh winds from the E by Wed morning).

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Fri morning. Very mild (max 15°C on Thu afternoon, min 4°C on Fri night). Wind will be generally light.

Tuesday
14
Wednesday
15
Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wed
29
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
PM
Wave Height Map
High Tide
9:18AM5.82m
9:48PM5.83m
9:59AM6.33m
10:27PM6.34m
10:39AM6.79m
11:05PM6.77m
11:19AM7.14m
11:43PM7.06m
11:59AM7.33m
00:22AM7.18m
12:42PM7.32m
1:04AM7.12m
1:27PM7.10m
1:47AM6.88m
2:15PM6.68m
2:36AM6.50m
3:09PM6.14m
3:31AM6.07m
4:13PM5.60m
4:38AM5.67m
5:32PM5.21m
6:00AM5.47m
7:00PM5.14m
7:22AM5.55m
8:13PM5.33m
8:29AM5.79m
9:09PM5.64m
9:21AM6.06m
9:53PM5.95m
Low Tide
3:42PM1.12m
3:57AM1.24m
4:22PM0.61m
4:38AM0.78m
5:01PM0.20m
5:18AM0.39m
5:41PM-0.06m
5:58AM0.12m
6:21PM-0.13m
6:40AM0.01m
7:03PM0.01m
7:24AM0.08m
7:47PM0.32m
8:11AM0.32m
8:36PM0.77m
9:05AM0.70m
9:30PM1.27m
10:07AM1.12m
10:35PM1.72m
11:22AM1.45m
11:52PM1.99m
12:44PM1.54m
1:13AM2.00m
2:00PM1.40m
2:23AM1.79m
3:01PM1.16m
3:20AM1.49m
3:49PM0.92m
Wave
height (m) 
direction
period (s) 
0.5
SSW
4
0.9
SW
7
0.8
SW
6
1.2
SW
7
1.2
SW
8
1.9
WSW
8
1.4
SW
7
1
WSW
14
0.7
WSW
12
1
SW
7
1.1
SW
7
1.2
SW
6
1.4
WSW
7
1.1
W
5
0.9
WNW
5
0.7
NW
5
0.6
WNW
4
0.2
WNW
3
0.3
NNW
4
0.4
NW
3
0.4
NE
2
0.4
ENE
3
0.4
NE
3
0.5
E
3
0.6
E
3
0.5
E
3
0.2
E
2
0.1
W
12
0.4
SW
10
0.5
WSW
12
0.6
WSW
11
0.4
WSW
10
0.6
WSW
10
0.7
WSW
9
0.7
NW
4
1.4
NW
6
1.4
NW
6
1.1
NW
5
1.2
NW
6
1.4
NW
6
1.5
NW
6
1.3
NW
6
1
NW
5
0.7
NW
4
0.4
W
9
0.2
WSW
16
0.2
WSW
15
cloud
light rain
light rain
light rain
thunderstorm
part cloud
clear
cloud
cloud
light rain
part cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
cloud
light rain
light rain
rain showers
clear
clear
part cloud
rain showers
rain showers
rain showers
rain showers
rain showers
part cloud
part cloud
rain showers
rain showers
part cloud
part cloud
cloudy
light rain
light rain
light rain
risk tstorm
some clouds
clear
cloudy
cloudy
light rain
some clouds
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
cloudy
light rain
light rain
rain shwrs
clear
clear
some clouds
rain shwrs
rain shwrs
rain shwrs
rain shwrs
rain shwrs
some clouds
some clouds
rain shwrs
rain shwrs
some clouds
some clouds
 km/h
10
SE
15
SSE
20
S
30
S
35
SSW
40
SW
30
SW
25
SSW
15
SSE
25
S
25
SSW
25
SSW
25
WSW
25
W
15
WNW
15
NNW
20
NNW
5
N
10
N
15
NNE
20
E
25
ENE
30
ENE
25
E
35
E
30
E
15
E
10
E
5
WNW
0
SE
5
NNW
10
NNW
5
N
20
NNE
25
NNW
20
NNW
25
NNW
30
NNW
10
NW
30
NNW
35
NNW
15
NW
25
NW
20
WNW
5
SSE
5
NNE
10
NNE
 mm 
1
3
1
1
2
3
1
1
1
1
3
3
1
1
1
max°C
10
11
12
13
12
10
11
11
10
11
11
10
10
10
9
10
10
7
10
10
7
9
10
7
10
12
8
13
15
12
10
9
7
9
9
6
7
7
5
6
7
6
7
7
3
9
9
Moonrise
5:16
5:26
5:36
5:48
6:03
6:24
6:57
7:48
8:59
10:25
11:54
1:21
2:44
4:03
5:20
6:37
Moonset
4:32
5:57
7:26
9:00
10:37
12:13
1:37
2:40
3:21
3:47
4:05
4:17
4:27
4:36
4:45
Sunrise
6:20
6:18
6:16
6:13
6:11
6:09
6:07
6:05
6:03
6:01
5:58
5:56
5:54
5:52
5:50
5:48
Sunset
8:14
8:15
8:16
8:19
8:21
8:22
8:24
8:25
8:28
8:30
8:31
8:34
8:35
8:37
8:38
8:40
Today's sea temperature in Caernarfon is
9.2° C
(Statistics for 14 Apr 1981-2005 – mean: 8.4 max: 9.4 min: 6.5°C)
Issued (local time): 12 pm Tuesday 14 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest