Sea weather in Llanelli in Wales All the beach weather in Llanelli

All the essential weather information for enjoying the beach in Llanelli in Wales, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Llanelli over the next 7 days?

Discover the best moment to go to the beach in Llanelli in Wales this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Llanelli. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Thursday 29 January 202643°F to 47°Fdiscouraged
Friday 30 January 202643°F to 47°Fdiscouraged
Saturday 31 January 202645°F to 47°Frecommended
Sunday 1 February 202641°F to 47°Fdiscouraged
Monday 2 February 202640°F to 47°Fdiscouraged
Tuesday 3 February 202645°F to 47°Fdiscouraged
Wednesday 4 February 202645°F to 47°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Llanelli

Sea weather on Thursday 29 January 2026

On Thursday 29 January 2026, the sun will rise at 08:00 and will set at 17:01 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 43°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 24.2mph km/h (with gusts up to 33.6mph). Wave height will be up to 6.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)6°C (43°F)6°C (42°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (44°F)8°C (46°F)
Perceived temperature2°C (36°F)1°C (34°F)1°C (33°F)1°C (34°F)2°C (35°F)2°C (36°F)2°C (35°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0.1in0in
Humidity87%89%91%87%86%88%92%88%
Barometric pressure995 hPa995 hPa994 hPa994 hPa993 hPa990 hPa988 hPa987 hPa
Cloud cover7%23%75%90%97%100%100%78%
Heat index7°C (44°F)6°C (43°F)6°C (42°F)6°C (43°F)7°C (44°F)7°C (45°F)7°C (44°F)8°C (46°F)
Dew point5°C (40°F)4°C (40°F)4°C (40°F)4°C (40°F)5°C (40°F)5°C (41°F)6°C (42°F)6°C (43°F)
Wind
Speed28km/h (17mph)30km/h (19mph)34km/h (21mph)37km/h (23mph)37km/h (23mph)38km/h (24mph)39km/h (24mph)28km/h (17mph)
Gusts44km/h (27mph)46km/h (28mph)50km/h (31mph)54km/h (34mph)52km/h (33mph)45km/h (28mph)43km/h (27mph)45km/h (28mph)
Direction 122°
ESE
114°
ESE
115°
ESE
122°
ESE
123°
ESE
118°
ESE
124°
SE
153°
SSE
Wind chill2°C (36°F)1°C (34°F)1°C (33°F)1°C (34°F)2°C (35°F)2°C (36°F)2°C (35°F)4°C (39°F)
Waves
Height2.0m (6.7ft)2.1m (6.9ft)2.0m (6.5ft)1.9m (6.3ft)1.8m (6.0ft)1.7m (5.7ft)1.7m (5.5ft)1.6m (5.3ft)
Direction 244°
WSW
244°
WSW
243°
WSW
244°
WSW
244°
WSW
244°
WSW
244°
WSW
243°
WSW
Period15.6 sec.15.5 sec.15.3 sec.14.8 sec.14.3 sec.13.8 sec.13.3 sec.12.9 sec.
Significant height1.0m (3.3ft)1.2m (3.9ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.3m (4.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Friday 30 January 2026

On Friday 30 January 2026, the sun will rise at 07:59 and will set at 17:02 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 43°F. Precipitation is in the forecast (0.2in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 20.5mph km/h (with gusts up to 29.8mph). Wave height will be up to 10.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)7°C (45°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)7°C (44°F)
Perceived temperature4°C (39°F)3°C (37°F)4°C (39°F)4°C (39°F)4°C (39°F)2°C (36°F)3°C (38°F)6°C (43°F)
Precipitation0in0in0in0in0in0in0in0.1in
Humidity89%89%87%89%88%91%92%92%
Barometric pressure987 hPa986 hPa986 hPa985 hPa984 hPa981 hPa981 hPa982 hPa
Cloud cover17%96%86%21%100%100%100%100%
Heat index8°C (46°F)7°C (45°F)8°C (46°F)7°C (45°F)8°C (46°F)7°C (44°F)7°C (45°F)7°C (44°F)
Dew point6°C (42°F)5°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (42°F)6°C (43°F)5°C (42°F)
Wind
Speed22km/h (14mph)27km/h (17mph)28km/h (17mph)22km/h (13mph)27km/h (17mph)33km/h (20mph)24km/h (15mph)4km/h (3mph)
Gusts34km/h (21mph)41km/h (25mph)42km/h (26mph)33km/h (20mph)39km/h (24mph)48km/h (30mph)38km/h (24mph)6km/h (4mph)
Direction 162°
SSE
169°
SSE
195°
SSW
150°
SSE
116°
ESE
106°
ESE
108°
ESE
71°
ENE
Wind chill4°C (39°F)3°C (37°F)4°C (39°F)4°C (39°F)4°C (39°F)2°C (36°F)3°C (38°F)6°C (43°F)
Waves
Height1.5m (5.0ft)1.6m (5.2ft)1.9m (6.2ft)2.8m (9.1ft)3.1m (10.2ft)2.9m (9.5ft)2.7m (8.9ft)2.5m (8.2ft)
Direction 243°
WSW
240°
WSW
240°
WSW
241°
WSW
240°
WSW
241°
WSW
241°
WSW
241°
WSW
Period12.5 sec.12.1 sec.12.4 sec.16.6 sec.16.2 sec.16.4 sec.16.5 sec.16.3 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)1.1m (3.6ft)1.2m (3.9ft)0.5m (1.6ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Saturday 31 January 2026

On Saturday 31 January 2026, the sun will rise at 07:57 and will set at 17:04 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 45°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 20.5mph). Wave height will be up to 8.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (46°F)7°C (45°F)8°C (46°F)
Perceived temperature4°C (39°F)4°C (40°F)4°C (39°F)5°C (42°F)5°C (41°F)5°C (41°F)4°C (39°F)5°C (40°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%90%90%91%88%86%93%93%
Barometric pressure985 hPa987 hPa989 hPa991 hPa994 hPa996 hPa997 hPa998 hPa
Cloud cover100%84%57%43%31%24%47%84%
Heat index7°C (44°F)7°C (45°F)7°C (45°F)8°C (46°F)8°C (47°F)8°C (46°F)7°C (45°F)8°C (46°F)
Dew point6°C (42°F)6°C (42°F)6°C (42°F)6°C (43°F)6°C (43°F)6°C (42°F)6°C (43°F)7°C (44°F)
Wind
Speed17km/h (11mph)17km/h (10mph)18km/h (11mph)12km/h (7mph)18km/h (11mph)16km/h (10mph)18km/h (11mph)19km/h (12mph)
Gusts24km/h (15mph)25km/h (16mph)31km/h (19mph)19km/h (12mph)29km/h (18mph)26km/h (16mph)33km/h (20mph)33km/h (20mph)
Direction 287°
WNW
269°
W
242°
WSW
239°
WSW
268°
W
246°
WSW
242°
WSW
239°
WSW
Wind chill4°C (39°F)4°C (40°F)4°C (39°F)5°C (42°F)5°C (41°F)5°C (41°F)4°C (39°F)5°C (40°F)
Waves
Height2.3m (7.7ft)2.3m (7.5ft)2.2m (7.3ft)2.3m (7.5ft)2.6m (8.4ft)2.5m (8.2ft)2.3m (7.6ft)2.2m (7.3ft)
Direction 241°
WSW
241°
WSW
242°
WSW
242°
WSW
241°
WSW
242°
WSW
242°
WSW
243°
WSW
Period16.0 sec.15.4 sec.14.9 sec.15.2 sec.15.5 sec.15.3 sec.14.8 sec.14.4 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.3m (1ft)0.5m (1.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Sunday 1 February 2026

On Sunday 1 February 2026, the sun will rise at 07:56 and will set at 17:06 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 41°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 8.9ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)6°C (43°F)6°C (43°F)
Perceived temperature5°C (41°F)4°C (38°F)4°C (40°F)3°C (38°F)4°C (38°F)5°C (41°F)6°C (43°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%92%91%90%76%74%78%80%
Barometric pressure998 hPa997 hPa995 hPa997 hPa999 hPa998 hPa997 hPa995 hPa
Cloud cover100%100%89%94%99%46%100%10%
Heat index8°C (47°F)7°C (44°F)8°C (46°F)8°C (46°F)7°C (45°F)7°C (45°F)6°C (43°F)6°C (43°F)
Dew point6°C (43°F)6°C (42°F)6°C (43°F)6°C (43°F)3°C (38°F)3°C (37°F)3°C (37°F)3°C (37°F)
Wind
Speed21km/h (13mph)19km/h (12mph)21km/h (13mph)28km/h (17mph)23km/h (14mph)11km/h (7mph)1km/h (1mph)12km/h (7mph)
Gusts34km/h (21mph)27km/h (17mph)31km/h (19mph)42km/h (26mph)32km/h (20mph)17km/h (11mph)2km/h (2mph)19km/h (12mph)
Direction 228°
SW
143°
SE
224°
SW
302°
WNW
294°
WNW
270°
W
76°
ENE
102°
ESE
Wind chill5°C (41°F)4°C (38°F)4°C (40°F)3°C (38°F)4°C (38°F)5°C (41°F)6°C (43°F)3°C (38°F)
Waves
Height2.2m (7.2ft)2.3m (7.4ft)2.5m (8.3ft)2.7m (8.7ft)2.5m (8.1ft)2.5m (8.4ft)2.6m (8.5ft)2.3m (7.7ft)
Direction 244°
WSW
244°
WSW
245°
WSW
244°
WSW
243°
WSW
244°
WSW
244°
WSW
244°
WSW
Period14.2 sec.13.8 sec.3.8 sec.6.7 sec.11.3 sec.13.1 sec.17.1 sec.16.5 sec.
Significant height1.5m (4.9ft)1.1m (3.6ft)1.3m (4.3ft)1.5m (4.9ft)0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)1.0m (3.3ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Monday 2 February 2026

On Monday 2 February 2026, the sun will rise at 07:54 and will set at 17:08 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 40°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 7.5ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (41°F)4°C (40°F)5°C (41°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)
Perceived temperature1°C (34°F)-0°C (31°F)0°C (33°F)2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)4°C (39°F)
Precipitation0in0in0in0in0.1in0in0in0in
Humidity83%84%87%89%93%96%87%89%
Barometric pressure993 hPa990 hPa986 hPa984 hPa982 hPa981 hPa984 hPa986 hPa
Cloud cover10%30%97%100%100%100%28%56%
Heat index5°C (41°F)4°C (40°F)5°C (41°F)6°C (43°F)6°C (43°F)6°C (43°F)7°C (45°F)8°C (46°F)
Dew point2°C (36°F)2°C (35°F)3°C (37°F)5°C (40°F)5°C (41°F)6°C (42°F)5°C (41°F)6°C (42°F)
Wind
Speed19km/h (12mph)25km/h (16mph)24km/h (15mph)30km/h (19mph)24km/h (15mph)16km/h (10mph)28km/h (18mph)24km/h (15mph)
Gusts30km/h (19mph)40km/h (25mph)37km/h (23mph)43km/h (27mph)36km/h (23mph)25km/h (15mph)35km/h (22mph)40km/h (25mph)
Direction 97°
E
92°
E
86°
E
89°
E
88°
E
124°
ESE
247°
WSW
205°
SSW
Wind chill1°C (34°F)-0°C (31°F)0°C (33°F)2°C (35°F)2°C (36°F)3°C (38°F)3°C (38°F)4°C (39°F)
Waves
Height2.3m (7.4ft)2.3m (7.6ft)2.3m (7.4ft)2.0m (6.7ft)1.7m (5.6ft)1.5m (5.0ft)1.5m (4.8ft)1.4m (4.6ft)
Direction 244°
WSW
245°
WSW
245°
WSW
246°
WSW
246°
WSW
246°
WSW
247°
WSW
247°
WSW
Period16.1 sec.15.3 sec.14.3 sec.14.1 sec.13.5 sec.13.3 sec.13.2 sec.12.8 sec.
Significant height1.3m (4.3ft)1.4m (4.6ft)1.3m (4.3ft)0.8m (2.6ft)0.4m (1.3ft)0.2m (0.7ft)0.7m (2.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)8°C (47°F)

Sea weather on Tuesday 3 February 2026

On Tuesday 3 February 2026, the sun will rise at 07:53 and will set at 17:10 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 45°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 17.4mph km/h (with gusts up to 28mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature7°C (45°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (44°F)7°C (45°F)
Perceived temperature4°C (39°F)4°C (39°F)3°C (38°F)3°C (38°F)5°C (40°F)5°C (41°F)3°C (37°F)3°C (38°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%91%90%90%86%86%88%89%
Barometric pressure987 hPa988 hPa989 hPa991 hPa992 hPa993 hPa993 hPa993 hPa
Cloud cover42%26%32%22%28%66%13%50%
Heat index7°C (45°F)7°C (44°F)7°C (44°F)7°C (45°F)8°C (47°F)8°C (47°F)7°C (44°F)7°C (45°F)
Dew point6°C (43°F)6°C (42°F)5°C (41°F)6°C (42°F)6°C (43°F)6°C (43°F)5°C (40°F)5°C (42°F)
Wind
Speed23km/h (14mph)18km/h (11mph)20km/h (12mph)22km/h (14mph)28km/h (17mph)20km/h (12mph)23km/h (15mph)27km/h (17mph)
Gusts36km/h (22mph)29km/h (18mph)32km/h (20mph)35km/h (22mph)45km/h (28mph)34km/h (21mph)29km/h (18mph)43km/h (27mph)
Direction 186°
S
176°
S
155°
SSE
151°
SSE
179°
S
175°
S
152°
SSE
144°
SE
Wind chill4°C (39°F)4°C (39°F)3°C (38°F)3°C (38°F)5°C (40°F)5°C (41°F)3°C (37°F)3°C (38°F)
Waves
Height1.4m (4.5ft)1.3m (4.4ft)1.4m (4.5ft)1.4m (4.7ft)1.6m (5.2ft)1.8m (5.9ft)1.9m (6.1ft)1.8m (6.0ft)
Direction 247°
WSW
247°
WSW
248°
WSW
247°
WSW
241°
WSW
243°
WSW
243°
WSW
244°
WSW
Period12.6 sec.12.4 sec.11.9 sec.11.7 sec.13.8 sec.14.5 sec.14.1 sec.13.9 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)0.6m (2ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather on Wednesday 4 February 2026

On Wednesday 4 February 2026, the sun will rise at 07:51 and will set at 17:12 on the beach(es) of Llanelli. The outside temperature will be a high of 47°F t and a low of 45°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 19.3mph km/h (with gusts up to 29.2mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (44°F)
Perceived temperature3°C (38°F)4°C (38°F)3°C (38°F)3°C (38°F)4°C (39°F)4°C (40°F)3°C (37°F)2°C (36°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity89%87%88%86%86%86%87%91%
Barometric pressure992 hPa991 hPa989 hPa988 hPa988 hPa987 hPa988 hPa988 hPa
Cloud cover68%86%100%100%55%100%43%85%
Heat index8°C (46°F)8°C (46°F)7°C (45°F)8°C (46°F)8°C (46°F)8°C (47°F)7°C (45°F)7°C (44°F)
Dew point6°C (42°F)6°C (42°F)5°C (42°F)5°C (42°F)6°C (42°F)6°C (43°F)5°C (41°F)5°C (41°F)
Wind
Speed28km/h (18mph)28km/h (18mph)29km/h (18mph)31km/h (19mph)29km/h (18mph)27km/h (17mph)27km/h (17mph)29km/h (18mph)
Gusts44km/h (28mph)44km/h (27mph)44km/h (27mph)47km/h (29mph)45km/h (28mph)44km/h (27mph)45km/h (28mph)42km/h (26mph)
Direction 147°
SSE
143°
SE
140°
SE
144°
SE
141°
SE
146°
SE
127°
SE
113°
ESE
Wind chill3°C (38°F)4°C (38°F)3°C (38°F)3°C (38°F)4°C (39°F)4°C (40°F)3°C (37°F)2°C (36°F)
Waves
Height1.7m (5.7ft)1.6m (5.3ft)1.5m (5.1ft)1.5m (4.8ft)1.4m (4.6ft)1.3m (4.4ft)1.3m (4.3ft)1.3m (4.3ft)
Direction 244°
WSW
245°
WSW
245°
WSW
245°
WSW
246°
WSW
247°
WSW
247°
WSW
248°
WSW
Period13.7 sec.13.7 sec.13.5 sec.12.8 sec.13.1 sec.12.7 sec.9.8 sec.8.0 sec.
Significant height0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.7m (5.6ft)1.6m (5.2ft)
Sea water temperature
Water temperature6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)6°C (43°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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