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 04:50 AM and sunset is at 09:44 PM.

Days 1–3 Weather Summary

Heavy rain (total 25mm), heaviest during Fri night. Cool air temperatures (max 17°C on Mon morning, min 12°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Thu afternoon, min 13°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 13mm), heaviest on Sun morning. Warm (max 21°C on Thu night, min 13°C on Sat night). Winds increasing (calm on Thu night, fresh winds from the S by Sat night).

Days 10–12 Weather Summary

Heavy rain (total 28mm), heaviest during Tue morning. Very mild (max 16°C on Wed afternoon, min 11°C on Sun night). Winds decreasing (strong winds from the SW on Sun night, light winds from the W by Wed night).

Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wed
25
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
1:32PM5.92m
1:49AM6.27m
2:13PM5.80m
2:30AM6.20m
2:58PM5.67m
3:15AM6.10m
3:47PM5.54m
4:05AM5.97m
4:44PM5.46m
5:02AM5.86m
5:48PM5.45m
6:07AM5.81m
6:54PM5.56m
7:15AM5.86m
7:59PM5.78m
8:21AM6.03m
8:59PM6.06m
9:23AM6.26m
9:54PM6.37m
10:20AM6.49m
10:45PM6.64m
11:13AM6.64m
Low Tide
7:37AM0.96m
7:48PM1.17m
8:19AM1.02m
8:29PM1.29m
9:03AM1.10m
9:13PM1.43m
9:51AM1.17m
10:03PM1.58m
10:43AM1.22m
10:59PM1.70m
11:40AM1.24m
00:01AM1.73m
12:42PM1.21m
1:08AM1.64m
1:45PM1.12m
2:14AM1.42m
2:48PM0.98m
3:17AM1.10m
3:47PM0.82m
4:16AM0.75m
4:42PM0.67m
5:11AM0.45m
5:34PM0.57m
Wave
height (m) 
direction
period (s) 
0.2
WSW
7.0
0.3
SW
7.0
0.4
SW
4.0
0.4
WNW
4.0
0.5
WSW
4.0
0.3
SW
6.0
0.3
SW
6.0
0.3
SW
6.0
0.5
WSW
5.0
0.4
WSW
4.0
0.3
SW
4.0
0.2
WSW
4.0
0.1
SW
7.0
0.1
SW
16.0
0.1
SW
15.0
0.1
W
14.0
0.1
W
14.0
0.1
W
14.0
0.2
WSW
14.0
0.3
SW
3.0
0.4
SW
4.0
0.5
SW
4.0
0.5
SW
4.0
0.9
WSW
6.0
1.5
SW
7.0
1.3
WSW
5.0
1.6
WSW
6.0
1.9
WSW
6.0
1.7
W
6.0
2
W
6.0
1.8
W
6.0
1.9
W
6.0
1.4
WNW
6.0
1.3
WNW
5.0
0.9
WNW
5.0
rain showers
rain showers
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
cloud
part cloud
clear
cloud
cloud
clear
part cloud
clear
rain showers
light rain
light rain
rain showers
rain showers
part cloud
rain showers
light rain
light rain
rain showers
mod rain
light rain
rain showers
rain showers
rain showers
rain shwrs
rain shwrs
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
cloudy
some clouds
clear
cloudy
cloudy
clear
some clouds
clear
rain shwrs
light rain
light rain
rain shwrs
rain shwrs
some clouds
rain shwrs
light rain
light rain
rain shwrs
mod rain
light rain
rain shwrs
rain shwrs
rain shwrs
 km/h
10
SSW
15
WSW
10
S
15
SW
15
WSW
10
S
10
SSW
15
SSW
15
S
15
SSW
15
SW
10
S
5
SSW
5
WNW
5
ENE
5
E
5
S
5
ESE
10
SW
20
SSW
10
S
15
SW
15
SW
20
SSW
30
SSW
30
WSW
30
WSW
40
WSW
35
W
40
W
30
W
40
W
25
WNW
25
NW
25
NW
 mm 
2
1
1
1
1
1
9
1
3
2
5
9
4
1
2
1
max°C
14
16
13
14
15
14
17
17
14
15
16
15
14
16
16
22
24
21
21
17
16
15
15
15
15
17
12
12
13
12
12
12
12
15
16
Moonrise
12:13
12:36
12:52
1:04
1:14
1:24
1:33
1:45
2:01
2:24
2:59
3:55
Moonset
7:14
8:37
10:02
11:26
12:51
2:17
3:46
5:19
6:55
8:30
9:50
10:48
Sunrise
4:50
4:48
4:48
4:48
4:48
4:48
4:48
4:48
4:50
4:50
4:50
4:50
Sunset
9:44
9:45
9:45
9:45
9:45
9:46
9:46
9:46
9:46
9:46
9:47
9:47
Today's sea temperature in Caernarfon is 13.8 °C (Statistics for 14 Jun 1981-2005 – mean: 12.8 max: 14.2 min: 11.3°C)
Issued (local time): 12 am Saturday 14 Jun 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest