News
Wind and rain marking a change in the UK weather
Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.
Read moreCold Knap, Barry (Beach) (Vale of Glamorgan) weather
Find a forecast
Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.
- Head to a lifeguarded beach; check the RNLI lifeguarded beach tool
- Follow RNLI Float to Live advice if you find yourself struggling in the water
- Know what to do if you get caught in a rip current (RNLI)
- Check the tide times to avoid getting cut off by the tide coming in
- Call 999 and ask for the coastguard in an emergency
- Learn more about staying safe at the beach
Forecast days
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 13° Celsius; -
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 26° Celsius; Minimum nighttime temperature: 15° Celsius;
-
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 27° Celsius; Minimum nighttime temperature: 16° Celsius;
-
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius;
Maximum daytime temperature: 25° Celsius; Minimum nighttime temperature: 15° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 16° Celsius;
Sunny intervals.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, the wind may blow you off course
- • unsafe for novice surfers
- • paddle boarding not recommended for beginners/intermediate
Tide: Next low tide (1.4m) at
Sunrise:
Sunset:
7 day forecast for Cold Knap, Barry (Beach)
Today (14 August 2025)
| Time |
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
 |
|
|
|
 |
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
21°
|
22°
|
21°
|
21°
|
20°
|
19°
|
18°
|
18°
|
17°
|
| Feels like temperature (°C) |
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
17°
|
17°
|
17°
|
| Wind direction and speed |
W
16
|
W
16
|
W
15
|
W
14
|
W
14
|
W
12
|
W
10
|
WNW
9
|
WNW
7
|
| Wind gust (mph) |
27
|
27
|
25
|
24
|
23
|
19
|
17
|
16
|
14
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
76%
|
75%
|
77%
|
79%
|
84%
|
86%
|
90%
|
91%
|
| UV | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
| Wind direction and speed |
16
|
16
|
15
|
14
|
14
|
12
|
10
|
9
|
7
|
| Height of waves offshore (m) |
0.5
|
0.6
|
0.6
|
0.6
|
0.6
|
0.5
|
0.5
|
0.4
|
0.3
|
| Period of waves offshore (s) |
4
|
5
|
5
|
5
|
5
|
7
|
7
|
7
|
7
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Friday (15 August 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
15°
|
15°
|
14°
|
14°
|
15°
|
17°
|
19°
|
21°
|
22°
|
23°
|
24°
|
25°
|
26°
|
27°
|
27°
|
27°
|
26°
|
24°
|
21°
|
21°
|
21°
|
| Feels like temperature (°C) |
17°
|
16°
|
16°
|
16°
|
15°
|
14°
|
14°
|
15°
|
18°
|
19°
|
21°
|
22°
|
22°
|
24°
|
25°
|
26°
|
27°
|
27°
|
28°
|
27°
|
24°
|
22°
|
21°
|
19°
|
| Wind direction and speed (mph) |
WNW
6
|
WNW
5
|
WNW
4
|
NW
4
|
NW
4
|
NW
3
|
NNW
3
|
N
3
|
NNE
4
|
ENE
4
|
E
5
|
ESE
6
|
ESE
6
|
ESE
6
|
ESE
5
|
ESE
5
|
ESE
5
|
WSW
5
|
W
5
|
NW
5
|
NNW
6
|
NNW
6
|
N
6
|
NE
8
|
| Wind gust (mph) |
13
|
12
|
11
|
10
|
9
|
8
|
8
|
7
|
10
|
12
|
13
|
14
|
15
|
14
|
13
|
12
|
12
|
10
|
11
|
12
|
11
|
12
|
13
|
17
|
| Visibility (description) |
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
92%
|
94%
|
95%
|
96%
|
96%
|
96%
|
95%
|
92%
|
85%
|
75%
|
70%
|
64%
|
58%
|
54%
|
43%
|
42%
|
42%
|
42%
|
44%
|
52%
|
62%
|
71%
|
71%
|
58%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 3 | 4 | 6 | 7 | 7 | 6 | 5 | 4 | 2 | 1 | 1 | 1 | - | - | - |
| Wind direction and speed (mph) |
6
|
5
|
4
|
4
|
4
|
3
|
3
|
3
|
4
|
4
|
5
|
6
|
6
|
6
|
5
|
5
|
5
|
5
|
5
|
5
|
6
|
6
|
6
|
8
|
| Height of waves offshore (m) |
0.3
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
0.3
|
0.3
|
0.2
|
0.2
|
0.2
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.2
|
0.2
|
0.2
|
0.2
|
0.2
|
| Period of waves offshore (s) |
7
|
7
|
7
|
3
|
3
|
7
|
7
|
7
|
7
|
6
|
6
|
6
|
6
|
6
|
7
|
10
|
10
|
10
|
9
|
9
|
9
|
9
|
8
|
8
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Saturday (16 August 2025)
| Time |
00:00
|
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
21°
|
20°
|
18°
|
17°
|
20°
|
24°
|
27°
|
26°
|
21°
|
| Feels like temperature (°C) |
19°
|
18°
|
16°
|
15°
|
18°
|
22°
|
25°
|
24°
|
20°
|
| Wind direction and speed (mph) |
NE
10
|
NE
11
|
ENE
12
|
ENE
11
|
ENE
13
|
ENE
11
|
ENE
10
|
ENE
9
|
ESE
8
|
| Wind gust (mph) |
21
|
22
|
21
|
22
|
22
|
21
|
19
|
17
|
19
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
58%
|
63%
|
77%
|
85%
|
74%
|
53%
|
40%
|
41%
|
62%
|
| UV | - | - | - | 1 | 4 | 7 | 3 | 1 | - |
| Wind direction and speed (mph) |
10
|
11
|
12
|
11
|
13
|
11
|
10
|
9
|
8
|
| Height of waves offshore (m) |
0.2
|
0.2
|
0.2
|
0.4
|
0.4
|
0.3
|
0.2
|
0.3
|
0.3
|
| Period of waves offshore (s) |
8
|
8
|
2
|
9
|
3
|
3
|
2
|
2
|
2
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
|
Sunday (17 August 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
18°
|
16°
|
15°
|
18°
|
22°
|
25°
|
25°
|
20°
|
| Feels like temperature (°C) |
17°
|
15°
|
13°
|
16°
|
20°
|
24°
|
24°
|
19°
|
| Wind direction and speed (mph) |
E
9
|
E
9
|
E
11
|
E
13
|
ENE
11
|
ENE
8
|
ENE
8
|
SE
5
|
| Wind gust (mph) |
20
|
21
|
23
|
24
|
23
|
19
|
15
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
E
|
VG
|
VG
|
| Humidity |
73%
|
76%
|
78%
|
66%
|
44%
|
40%
|
40%
|
68%
|
| UV | - | - | 1 | 4 | 7 | 3 | 1 | - |
| Wind direction and speed (mph) |
9
|
9
|
11
|
13
|
11
|
8
|
8
|
5
|
| Height of waves offshore (m) |
0.3
|
0.5
|
0.5
|
0.5
|
0.4
|
0.2
|
0.3
|
0.2
|
| Period of waves offshore (s) |
2
|
3
|
3
|
3
|
3
|
2
|
3
|
2
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Monday (18 August 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
17°
|
16°
|
16°
|
19°
|
23°
|
26°
|
25°
|
21°
|
| Feels like temperature (°C) |
17°
|
15°
|
14°
|
17°
|
21°
|
24°
|
24°
|
21°
|
| Wind direction and speed (mph) |
E
6
|
E
9
|
ENE
9
|
E
11
|
ENE
9
|
ENE
8
|
ENE
7
|
E
5
|
| Wind gust (mph) |
15
|
17
|
20
|
21
|
21
|
17
|
12
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
79%
|
76%
|
82%
|
68%
|
51%
|
42%
|
44%
|
64%
|
| UV | - | - | 1 | 4 | 7 | 3 | 1 | - |
| Wind direction and speed (mph) |
6
|
9
|
9
|
11
|
9
|
8
|
7
|
5
|
| Height of waves offshore (m) |
0.2
|
0.3
|
0.3
|
0.4
|
0.3
|
0.1
|
0.1
|
0.1
|
| Period of waves offshore (s) |
2
|
2
|
3
|
3
|
3
|
7
|
7
|
7
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Tuesday (19 August 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
| Temperature (°C) |
19°
|
18°
|
16°
|
18°
|
21°
|
24°
|
24°
|
21°
|
| Feels like temperature (°C) |
19°
|
17°
|
15°
|
17°
|
20°
|
24°
|
24°
|
21°
|
| Wind direction and speed (mph) |
ENE
6
|
ENE
7
|
ENE
9
|
ENE
10
|
ENE
9
|
ENE
6
|
ENE
6
|
NE
5
|
| Wind gust (mph) |
13
|
16
|
19
|
20
|
17
|
12
|
10
|
11
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
76%
|
83%
|
79%
|
66%
|
54%
|
55%
|
65%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
6
|
7
|
9
|
10
|
9
|
6
|
6
|
5
|
| Height of waves offshore (m) |
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
0.1
|
| Period of waves offshore (s) |
7
|
7
|
7
|
7
|
7
|
7
|
7
|
7
|
| Direction of waves offshore |
|
|
|
|
|
|
|
|
Wednesday (20 August 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
20%
|
30%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
19°
|
17°
|
17°
|
19°
|
21°
|
23°
|
23°
|
20°
|
| Feels like temperature (°C) |
19°
|
17°
|
16°
|
18°
|
20°
|
23°
|
22°
|
20°
|
| Wind direction and speed (mph) |
NE
5
|
ENE
6
|
NE
6
|
ENE
8
|
ENE
7
|
ENE
6
|
ENE
6
|
E
5
|
| Wind gust (mph) |
9
|
9
|
11
|
12
|
11
|
10
|
9
|
8
|
| Visibility (description) |
VG
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
76%
|
84%
|
89%
|
82%
|
68%
|
58%
|
62%
|
74%
|
| UV | - | - | 1 | 4 | 6 | 3 | 1 | - |
| Wind direction and speed (mph) |
5
|
– | – | – | – | – | – | – |
| Height of waves offshore (m) |
0.1
|
– | – | – | – | – | – | – |
| Period of waves offshore (s) |
7
|
– | – | – | – | – | – | – |
| Direction of waves offshore |
|
–
|
–
|
–
|
–
|
–
|
–
|
–
|
Tooltip header
Tide times
Thursday 14 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 14 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 14 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Thursday 14 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 15 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 15 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 15 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Friday 15 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 16 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 16 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 16 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Saturday 16 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 17 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 17 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 17 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Sunday 17 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 18 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 18 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 18 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Monday 18 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 19 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 19 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 19 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Tuesday 19 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 20 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 20 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 20 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Tide times
Wednesday 20 August
Tide times and heights are from Barry tidal station which is 1.4 miles away. So times may be different at this beach. What does this mean?
Contains ADMIRALTY® tidal data: © Crown Copyright and database right.
Cold Knap, Barry (Beach) weather map
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Wales weather forecast
Headline:
Rather cloudy on Thursday, but sunshine prevailing towards the weekend.
Today:
Grey start for most with scattered showers, mostly light. Turning brighter and drier through the afternoon as cloud breaks and lifts. Still warm despite the cloud. Maximum temperature 24 °C.
Tonight:
Late sunny spells to end the day. Staying dry overnight but areas of low cloud pushing inland, providing misty conditions around some coasts and hills. Mild. Minimum temperature 12 °C.
Friday:
Any low cloud and patchy fog soon clearing, leaving a fine and dry day with lengthy periods of strong sunshine. Feeling hot with only a light breeze. Maximum temperature 28 °C.
Outlook for Saturday to Monday:
A largely settled period with lengthy sunny spells after early morning cloud clears. Warm in the sunshine, though also turning windier. Showers possible in the west on Sunday and Monday.
Updated: