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 — and sunset is at 04:10 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 6°C on Sat afternoon, min 0°C on Thu night). Winds decreasing (fresh winds from the ENE on Thu afternoon, light winds from the ENE by Sun morning).

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 6°C on Tue morning, min 1°C on Mon night). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Fri night. Very mild (max 10°C on Fri night, min 3°C on Thu night). Winds increasing (calm on Thu night, fresh winds from the WNW by Fri night).

Days 11–13 Weather Summary

Heavy rain (total 23mm), heaviest during Mon night. Very mild (max 10°C on Mon night, min 4°C on Sun night). Winds increasing (calm on Sun night, fresh winds from the S by Mon night).

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
9:41PM7.15m
10:02AM7.38m
10:27PM6.95m
10:51AM7.16m
11:21PM6.77m
11:48AM6.96m
00:23AM6.65m
12:54PM6.84m
1:34AM6.69m
2:07PM6.91m
2:45AM6.94m
3:18PM7.18m
3:51AM7.35m
4:21PM7.57m
4:50AM7.84m
5:18PM7.96m
5:43AM8.28m
6:09PM8.27m
6:32AM8.60m
6:57PM8.41m
7:18AM8.74m
7:43PM8.38m
8:03AM8.69m
Low Tide
3:25PM1.42m
3:39AM1.54m
4:10PM1.57m
4:26AM1.74m
5:01PM1.74m
5:23AM1.94m
6:02PM1.88m
6:30AM2.06m
7:11PM1.92m
7:44AM2.01m
8:23PM1.80m
8:57AM1.76m
9:31PM1.54m
10:03AM1.37m
10:33PM1.18m
11:03AM0.94m
11:27PM0.84m
11:56AM0.57m
00:18AM0.56m
12:46PM0.33m
1:04AM0.42m
1:32PM0.27m
1:49AM0.44m
Wave
height (m) 
direction
period (s) 
1.5
E
5
1.2
ESE
5
0.7
ESE
4
0.7
ESE
4
0.9
ESE
5
0.9
ESE
5
1
ESE
5
1.2
ESE
5
0.7
S
7
0.5
WSW
12
0.4
WSW
15
0.3
WSW
14
0.3
WSW
13
0.7
WSW
9
0.4
WSW
12
0.4
WSW
16
0.3
WSW
14
0.3
WSW
13
0.3
WSW
13
0.7
WNW
4
0.6
W
6
0.4
WSW
11
0.3
WSW
14
0.6
WSW
13
1.1
WSW
5
1.6
WSW
6
1.3
WSW
7
1.1
WSW
7
1.1
WSW
6
1.3
WSW
6
1
W
7
0.5
WSW
13
0.5
WSW
9
0.8
WSW
7
1.9
WSW
7
1.3
WSW
8
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
part cloud
cloud
light rain
rain showers
part cloud
part cloud
rain showers
part cloud
part cloud
clear
part cloud
cloud
heavy rain
rain showers
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
some clouds
cloudy
light rain
rain shwrs
some clouds
some clouds
rain shwrs
some clouds
some clouds
clear
some clouds
cloudy
heavy rain
rain shwrs
 km/h
35
ENE
30
E
15
NE
20
NE
15
ENE
20
ENE
30
ENE
20
E
15
ENE
15
NE
10
NE
10
NE
10
NE
15
ENE
15
NE
10
NE
5
N
10
NNE
15
NW
25
NW
15
N
15
N
5
N
10
WNW
25
W
35
WNW
25
NW
20
WNW
25
WNW
30
NNW
20
N
10
N
10
SE
25
S
35
SSE
20
NW
 mm 
2
2
2
20
1
max°C
4
2
3
4
3
5
6
5
3
3
2
3
4
5
6
4
4
6
6
7
6
5
5
7
8
10
8
8
8
8
7
5
4
5
10
8
Moonrise
11:33
11:44
11:56
12:11
12:30
12:58
1:40
2:42
4:03
5:33
7:03
Moonset
10:11
11:30
12:50
2:15
3:44
5:17
6:47
8:04
9:01
9:38
10:03
10:20
Sunrise
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:22
8:21
Sunset
4:10
4:10
4:12
4:13
4:14
4:15
4:15
4:16
4:17
4:19
4:20
4:22
Today's sea temperature in Llanelli is
9.6° C
(Statistics for 25 Dec 1981-2005 – mean: 10.5 max: 11.3 min: 9.6°C)
Issued (local time): 5 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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