Llanelli Sea Conditions and Tide Table

Llanelli 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 08:15 AM and sunset is at 04:06 PM.

Days 1–3 Weather Summary

Heavy rain (total 33mm), heaviest during Mon morning. Cool air temperatures (max 11°C on Wed night, min 7°C on Mon night). Winds increasing (calm on Mon afternoon, strong winds from the S by Wed afternoon).

Days 4–6 Weather Summary

Heavy rain (total 38mm), heaviest during Thu afternoon. Cool air temperatures (max 11°C on Thu morning, min 6°C on Sat night). Winds decreasing (strong winds from the SSW on Sat morning, light winds from the NNW by Sat night).

Days 7–9 Weather Summary

Mostly dry. Mild temperatures (max 9°C on Sun morning, min 4°C on Tue night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Mild temperatures (max 6°C on Fri afternoon, min 2°C on Thu night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
2:59PM6.37m
3:28AM6.44m
3:51PM6.57m
4:15AM6.74m
4:36PM6.83m
4:57AM7.04m
5:16PM7.09m
5:35AM7.32m
5:54PM7.32m
6:12AM7.55m
6:31PM7.47m
6:49AM7.71m
7:07PM7.55m
7:25AM7.79m
7:43PM7.54m
8:02AM7.78m
8:20PM7.46m
8:39AM7.71m
8:59PM7.33m
9:19AM7.57m
9:41PM7.15m
10:02AM7.38m
10:27PM6.95m
Low Tide
8:45AM2.46m
9:14PM2.27m
9:38AM2.25m
10:01PM2.08m
10:24AM2.00m
10:43PM1.85m
11:05AM1.73m
11:22PM1.62m
11:44AM1.49m
11:59PM1.43m
12:21PM1.32m
00:35AM1.29m
12:57PM1.21m
1:10AM1.21m
1:33PM1.18m
1:45AM1.20m
2:08PM1.21m
2:20AM1.26m
2:45PM1.30m
2:58AM1.37m
3:25PM1.42m
3:39AM1.54m
4:10PM1.57m
4:26AM1.74m
Wave
height (m) 
direction
period (s) 
2.2
WSW
11
1.6
WSW
12
1.3
WSW
13
1.2
WSW
13
1.2
WSW
13
1.1
WSW
13
1.6
WSW
13
2.5
WSW
8
2.5
WSW
10
1.9
WSW
20
1.9
WSW
19
2.4
WSW
17
2.2
WSW
16
2
WSW
15
2.3
WSW
7
3
WSW
8
3
WSW
10
2
WSW
11
1.7
WSW
9
1.5
WSW
13
0.9
WSW
13
0.7
WSW
12
0.6
WSW
12
0.5
WSW
11
0.7
WSW
4
0.6
W
6
0.4
WSW
14
0.5
WSW
14
0.5
WSW
13
0.4
WSW
11
0.4
WSW
10
0.4
WSW
14
0.7
WSW
13
0.8
WSW
12
0.8
WSW
12
0.5
WSW
11
heavy rain
light rain
rain showers
cloud
part cloud
part cloud
light rain
mod rain
rain showers
mod rain
heavy rain
rain showers
rain showers
clear
cloud
light rain
mod rain
rain showers
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
heavy rain
light rain
rain shwrs
cloudy
some clouds
some clouds
light rain
mod rain
rain shwrs
mod rain
heavy rain
rain shwrs
rain shwrs
clear
cloudy
light rain
mod rain
rain shwrs
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
 km/h
10
SSW
0
WSW
15
NNW
5
NNW
5
NNW
5
S
30
S
40
S
15
WSW
15
SSE
15
SW
25
WNW
25
WSW
30
WSW
35
SW
45
SSW
20
W
20
W
10
NNW
25
NNW
10
N
10
ENE
5
W
5
WSW
15
WNW
15
N
10
ENE
10
E
10
SE
10
ESE
10
E
10
NE
10
NE
15
NNE
15
NNE
15
NNE
 mm 
14
5
1
1
6
6
7
16
2
2
1
8
2
max°C
10
10
9
8
8
8
9
10
11
11
10
9
9
9
10
11
8
7
9
8
7
6
6
8
9
9
7
4
5
4
4
5
4
5
6
4
Moonrise
3:45
4:58
6:11
7:22
8:26
9:20
10:01
10:30
10:52
11:08
11:21
11:33
Moonset
1:12
1:28
1:49
2:19
3:00
3:55
5:02
6:16
7:34
8:53
10:11
11:30
Sunrise
8:15
8:17
8:18
8:18
8:18
8:19
8:19
8:21
8:21
8:21
8:22
8:22
Sunset
4:06
4:06
4:07
4:07
4:07
4:07
4:07
4:08
4:08
4:09
4:10
4:10
Today's sea temperature in Llanelli is
10.3° C
(Statistics for 15 Dec 1981-2005 – mean: 10.9 max: 12.0 min: 9.9°C)
Issued (local time): 11 am Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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