Sea weather in Cardiff in Wales All the beach weather in Cardiff

All the essential weather information for enjoying the beach in Cardiff 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 Cardiff over the next 7 days?

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

Date Outside temp. Our opinion
Saturday 20 April 202441°F to 49°Frecommended
Sunday 21 April 202440°F to 50°Frecommended
Monday 22 April 202441°F to 54°Fdiscouraged
Tuesday 23 April 202443°F to 52°Fdiscouraged
Wednesday 24 April 202443°F to 52°Fdiscouraged
Thursday 25 April 202441°F to 49°Fdiscouraged
Friday 26 April 202440°F to 49°Frecommended

Sea Weather: Your daily and hourly sea weather in Cardiff

Sea weather on Saturday 20 April 2024

On Saturday 20 April 2024, the sun will rise at 06:06 and will set at 20:18 on the beach(es) of Cardiff. The outside temperature will be a high of 49°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 9.9mph km/h (with gusts up to 16.2mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)7°C (44°F)5°C (42°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (48°F)8°C (46°F)
Perceived temperature3°C (37°F)5°C (40°F)3°C (38°F)7°C (44°F)7°C (44°F)7°C (45°F)7°C (45°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity87%84%82%69%69%68%77%84%
Barometric pressure1026 hPa1028 hPa1029 hPa1031 hPa1031 hPa1030 hPa1030 hPa1030 hPa
Cloud cover62%77%14%100%77%78%83%55%
Heat index6°C (43°F)7°C (44°F)5°C (42°F)8°C (46°F)8°C (46°F)9°C (48°F)9°C (48°F)8°C (46°F)
Dew point4°C (39°F)4°C (39°F)3°C (37°F)2°C (36°F)2°C (36°F)3°C (38°F)5°C (41°F)5°C (42°F)
Wind
Speed16km/h (10mph)9km/h (6mph)9km/h (6mph)5km/h (3mph)6km/h (4mph)9km/h (5mph)12km/h (7mph)11km/h (7mph)
Gusts26km/h (16mph)14km/h (9mph)15km/h (9mph)7km/h (4mph)8km/h (5mph)13km/h (8mph)18km/h (11mph)21km/h (13mph)
Direction 58°
ENE
79°
ENE
82°
E
104°
ESE
198°
SSW
256°
WSW
277°
W
293°
WNW
Wind chill3°C (37°F)5°C (40°F)3°C (38°F)7°C (44°F)7°C (44°F)7°C (45°F)7°C (45°F)6°C (42°F)
Waves
Height0.3m (1.0ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 270°
W
269°
W
269°
W
278°
W
278°
W
278°
W
277°
W
277°
W
Period4.9 sec.4.9 sec.4.6 sec.4.4 sec.4.2 sec.4.0 sec.10.4 sec.10.3 sec.
Significant height0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.2m (0.7ft)0.4m (1.3ft)0.3m (1ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Sunday 21 April 2024

On Sunday 21 April 2024, the sun will rise at 06:04 and will set at 20:20 on the beach(es) of Cardiff. The outside temperature will be a high of 50°F t and a low of 40°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 12.4mph km/h (with gusts up to 18mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)5°C (41°F)5°C (40°F)7°C (44°F)8°C (47°F)9°C (49°F)9°C (49°F)7°C (45°F)
Perceived temperature7°C (44°F)2°C (35°F)2°C (36°F)4°C (39°F)5°C (42°F)7°C (44°F)7°C (45°F)5°C (41°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%85%83%73%73%65%70%76%
Barometric pressure1030 hPa1031 hPa1032 hPa1033 hPa1033 hPa1032 hPa1032 hPa1033 hPa
Cloud cover12%14%37%64%100%35%22%32%
Heat index8°C (47°F)5°C (41°F)5°C (40°F)7°C (44°F)8°C (47°F)9°C (49°F)9°C (49°F)7°C (45°F)
Dew point5°C (41°F)3°C (37°F)2°C (36°F)3°C (37°F)4°C (39°F)3°C (38°F)4°C (39°F)3°C (38°F)
Wind
Speed10km/h (6mph)17km/h (11mph)11km/h (7mph)17km/h (11mph)20km/h (13mph)19km/h (12mph)15km/h (9mph)12km/h (7mph)
Gusts17km/h (10mph)29km/h (18mph)17km/h (11mph)22km/h (14mph)26km/h (16mph)29km/h (18mph)26km/h (16mph)23km/h (14mph)
Direction 23°
NNE
50°
NE
65°
ENE
63°
ENE
46°
NE
22°
NNE

N
11°
N
Wind chill7°C (44°F)2°C (35°F)2°C (36°F)4°C (39°F)5°C (42°F)7°C (44°F)7°C (45°F)5°C (41°F)
Waves
Height0.1m (0.4ft)0.2m (0.8ft)0.2m (0.7ft)0.2m (0.6ft)0.2m (0.7ft)0.3m (1.0ft)0.3m (1.1ft)0.3m (0.9ft)
Direction 277°
W
44°
NE
47°
NE
55°
NE
51°
NE
44°
NE
40°
NE
35°
NE
Period1.7 sec.4.5 sec.4.3 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.3m (1ft)0.7m (2.3ft)0.5m (1.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.7m (2.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Monday 22 April 2024

On Monday 22 April 2024, the sun will rise at 06:02 and will set at 20:22 on the beach(es) of Cardiff. The outside temperature will be a high of 54°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 14.3mph km/h (with gusts up to 23.6mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)5°C (42°F)6°C (43°F)7°C (45°F)10°C (49°F)12°C (53°F)11°C (52°F)10°C (49°F)
Perceived temperature4°C (39°F)4°C (39°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (50°F)8°C (47°F)8°C (46°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%82%80%80%81%78%82%86%
Barometric pressure1033 hPa1032 hPa1031 hPa1030 hPa1028 hPa1026 hPa1024 hPa1024 hPa
Cloud cover46%100%100%98%100%98%92%99%
Heat index6°C (43°F)5°C (42°F)6°C (43°F)7°C (45°F)10°C (49°F)12°C (53°F)11°C (52°F)10°C (49°F)
Dew point3°C (38°F)3°C (37°F)3°C (37°F)4°C (39°F)6°C (43°F)8°C (46°F)8°C (47°F)7°C (45°F)
Wind
Speed9km/h (6mph)6km/h (4mph)3km/h (2mph)5km/h (3mph)10km/h (6mph)15km/h (10mph)23km/h (14mph)13km/h (8mph)
Gusts17km/h (11mph)10km/h (6mph)5km/h (3mph)7km/h (4mph)14km/h (8mph)24km/h (15mph)38km/h (24mph)23km/h (14mph)
Direction 49°
NE
65°
ENE
85°
E
255°
WSW
267°
W
286°
WNW
326°
NW
329°
NNW
Wind chill4°C (39°F)4°C (39°F)6°C (43°F)7°C (44°F)8°C (47°F)10°C (50°F)8°C (47°F)8°C (46°F)
Waves
Height0.2m (0.6ft)0.2m (0.5ft)0.3m (1.1ft)0.3m (0.9ft)0.4m (1.2ft)0.5m (1.7ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 34°
NNE
42°
NE
276°
W
276°
W
275°
W
275°
W
282°
WNW
279°
W
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.3m (1ft)0.1m (0.3ft)0.1m (0.3ft)0.3m (1ft)0.7m (2.3ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Tuesday 23 April 2024

On Tuesday 23 April 2024, the sun will rise at 06:00 and will set at 20:23 on the beach(es) of Cardiff. The outside temperature will be a high of 52°F t and a low of 43°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 14.3mph km/h (with gusts up to 21.1mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature10°C (49°F)9°C (48°F)7°C (45°F)8°C (47°F)10°C (50°F)11°C (52°F)10°C (50°F)7°C (45°F)
Perceived temperature8°C (47°F)7°C (44°F)4°C (39°F)5°C (41°F)8°C (46°F)10°C (49°F)10°C (50°F)6°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%76%63%59%59%71%79%
Barometric pressure1023 hPa1023 hPa1023 hPa1024 hPa1023 hPa1022 hPa1022 hPa1022 hPa
Cloud cover100%100%85%7%41%63%77%4%
Heat index10°C (49°F)9°C (48°F)7°C (45°F)8°C (47°F)10°C (50°F)11°C (52°F)10°C (50°F)7°C (45°F)
Dew point8°C (46°F)7°C (45°F)3°C (38°F)2°C (35°F)3°C (37°F)4°C (38°F)5°C (41°F)4°C (39°F)
Wind
Speed9km/h (5mph)13km/h (8mph)23km/h (15mph)22km/h (14mph)19km/h (12mph)12km/h (7mph)5km/h (3mph)5km/h (3mph)
Gusts14km/h (8mph)19km/h (12mph)34km/h (21mph)28km/h (18mph)26km/h (16mph)17km/h (10mph)8km/h (5mph)9km/h (6mph)
Direction 25°
NNE
54°
NE
34°
NE
27°
NNE
32°
NNE
40°
NE
119°
ESE
115°
ESE
Wind chill8°C (47°F)7°C (44°F)4°C (39°F)5°C (41°F)8°C (46°F)10°C (49°F)10°C (50°F)6°C (44°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.4m (1.3ft)0.6m (1.8ft)0.5m (1.8ft)0.3m (1.0ft)0.3m (0.9ft)0.2m (0.6ft)
Direction 282°
WNW
276°
W
34°
NNE
36°
NE
45°
NE
43°
NE
40°
NE
275°
W
Period2.7 sec.3.1 sec.3.5 sec.3.5 sec.3.8 sec.4.1 sec.9.8 sec.9.6 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.9m (3ft)1.1m (3.6ft)0.9m (3ft)0.6m (2ft)0.5m (1.6ft)0.3m (1ft)
Sea water temperature
Water temperature8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)8°C (46°F)

Sea weather on Wednesday 24 April 2024

On Wednesday 24 April 2024, the sun will rise at 05:58 and will set at 20:25 on the beach(es) of Cardiff. The outside temperature will be a high of 52°F t and a low of 43°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 16.8mph km/h (with gusts up to 24.9mph). Wave height will be up to 2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature6°C (43°F)6°C (42°F)6°C (43°F)9°C (49°F)10°C (51°F)10°C (51°F)9°C (49°F)9°C (49°F)
Perceived temperature6°C (43°F)3°C (38°F)4°C (39°F)6°C (43°F)7°C (45°F)7°C (45°F)6°C (44°F)7°C (44°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%84%85%69%71%74%78%82%
Barometric pressure1021 hPa1019 hPa1018 hPa1016 hPa1015 hPa1013 hPa1013 hPa1012 hPa
Cloud cover8%9%30%45%100%76%77%67%
Heat index6°C (43°F)6°C (42°F)6°C (43°F)9°C (49°F)10°C (51°F)10°C (51°F)9°C (49°F)9°C (49°F)
Dew point3°C (38°F)3°C (38°F)4°C (39°F)4°C (39°F)5°C (42°F)6°C (43°F)6°C (42°F)6°C (43°F)
Wind
Speed4km/h (2mph)10km/h (6mph)12km/h (8mph)22km/h (14mph)24km/h (15mph)27km/h (17mph)22km/h (13mph)18km/h (11mph)
Gusts7km/h (4mph)19km/h (12mph)21km/h (13mph)28km/h (17mph)34km/h (21mph)40km/h (25mph)34km/h (21mph)28km/h (18mph)
Direction 221°
SW
294°
WNW
292°
WNW
303°
WNW
298°
WNW
298°
WNW
305°
NW
288°
WNW
Wind chill6°C (43°F)3°C (38°F)4°C (39°F)6°C (43°F)7°C (45°F)7°C (45°F)6°C (44°F)7°C (44°F)
Waves
Height0.1m (0.4ft)0.2m (0.5ft)0.1m (0.4ft)0.2m (0.6ft)0.3m (1.0ft)0.5m (1.8ft)0.6m (1.8ft)0.4m (1.4ft)
Direction 274°
W
274°
W
274°
W
274°
W
273°
W
273°
W
274°
W
273°
W
Period9.2 sec.9.1 sec.8.9 sec.8.8 sec.8.8 sec.8.8 sec.8.8 sec.8.6 sec.
Significant height0.2m (0.7ft)0.1m (0.3ft)0.4m (1.3ft)0.4m (1.3ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)0.6m (2ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Thursday 25 April 2024

On Thursday 25 April 2024, the sun will rise at 05:56 and will set at 20:26 on the beach(es) of Cardiff. The outside temperature will be a high of 49°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 13.7mph km/h (with gusts up to 21.8mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature8°C (47°F)6°C (43°F)5°C (41°F)9°C (47°F)9°C (47°F)9°C (49°F)8°C (46°F)6°C (43°F)
Perceived temperature5°C (41°F)2°C (36°F)1°C (35°F)6°C (43°F)7°C (45°F)8°C (47°F)5°C (41°F)4°C (39°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%80%79%59%58%59%77%80%
Barometric pressure1010 hPa1010 hPa1010 hPa1010 hPa1010 hPa1010 hPa1010 hPa1011 hPa
Cloud cover83%32%20%98%100%90%78%80%
Heat index8°C (47°F)6°C (43°F)5°C (41°F)9°C (47°F)9°C (47°F)9°C (49°F)8°C (46°F)6°C (43°F)
Dew point6°C (43°F)3°C (37°F)2°C (35°F)1°C (34°F)1°C (33°F)2°C (35°F)4°C (39°F)3°C (37°F)
Wind
Speed21km/h (13mph)22km/h (14mph)17km/h (11mph)15km/h (9mph)9km/h (6mph)9km/h (6mph)15km/h (10mph)12km/h (8mph)
Gusts35km/h (22mph)35km/h (22mph)28km/h (17mph)19km/h (12mph)13km/h (8mph)12km/h (8mph)24km/h (15mph)21km/h (13mph)
Direction 304°
NW
326°
NNW
316°
NW
336°
NNW
323°
NW
321°
NW

N
326°
NNW
Wind chill5°C (41°F)2°C (36°F)1°C (35°F)6°C (43°F)7°C (45°F)8°C (47°F)5°C (41°F)4°C (39°F)
Waves
Height0.4m (1.4ft)0.5m (1.8ft)0.5m (1.5ft)0.3m (1.0ft)0.2m (0.8ft)0.3m (0.9ft)0.2m (0.8ft)0.2m (0.7ft)
Direction 276°
W
266°
W
269°
W
271°
W
271°
W
272°
W
272°
W
267°
W
Period8.6 sec.8.6 sec.8.6 sec.8.5 sec.8.3 sec.8.2 sec.8.2 sec.5.2 sec.
Significant height0.8m (2.6ft)1.0m (3.3ft)0.7m (2.3ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather on Friday 26 April 2024

On Friday 26 April 2024, the sun will rise at 05:54 and will set at 20:28 on the beach(es) of Cardiff. The outside temperature will be a high of 49°F t and a low of 40°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 9.3mph km/h (with gusts up to 13.1mph). Wave height will be up to 1ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature5°C (40°F)4°C (39°F)4°C (40°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)8°C (46°F)
Perceived temperature2°C (36°F)2°C (35°F)3°C (37°F)7°C (44°F)8°C (47°F)7°C (44°F)6°C (42°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%76%69%65%71%83%82%
Barometric pressure1011 hPa1010 hPa1009 hPa1009 hPa1008 hPa1007 hPa1007 hPa1006 hPa
Cloud cover76%25%20%22%84%77%100%73%
Heat index5°C (40°F)4°C (39°F)4°C (40°F)8°C (46°F)9°C (47°F)9°C (48°F)8°C (46°F)8°C (46°F)
Dew point1°C (33°F)-0°C (32°F)0°C (33°F)2°C (36°F)2°C (36°F)4°C (39°F)5°C (41°F)5°C (41°F)
Wind
Speed10km/h (6mph)8km/h (5mph)5km/h (3mph)6km/h (4mph)5km/h (3mph)15km/h (9mph)13km/h (8mph)12km/h (7mph)
Gusts19km/h (12mph)14km/h (9mph)9km/h (6mph)7km/h (5mph)7km/h (4mph)21km/h (13mph)19km/h (12mph)18km/h (11mph)
Direction 329°
NNW
328°
NNW
327°
NNW
215°
SW
224°
SW
219°
SW
184°
S
175°
S
Wind chill2°C (36°F)2°C (35°F)3°C (37°F)7°C (44°F)8°C (47°F)7°C (44°F)6°C (42°F)6°C (42°F)
Waves
Height0.2m (0.6ft)0.2m (0.6ft)0.2m (0.7ft)0.2m (0.6ft)0.1m (0.5ft)0.2m (0.6ft)0.3m (0.9ft)0.3m (1.0ft)
Direction 267°
W
268°
W
272°
W
273°
W
272°
W
271°
W
270°
W
272°
W
Period4.9 sec.4.5 sec.4.3 sec.4.3 sec.7.5 sec.7.1 sec.7.1 sec.7.2 sec.
Significant height0.3m (1ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.1m (0.3ft)0.5m (1.6ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)10°C (50°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

Change units