Cold Knap, Barry (Beach) (Vale of Glamorgan) weather

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.



Forecast days

Overcast changing to light rain by nighttime.
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 high tide (11.5m) at

Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Cold Knap, Barry (Beach)

    Today (21 February 2026)
    Time
    20:00
    21:00
    22:00
    23:00
    Weather symbols Overcast Light rain Light rain Light rain
    Chance of precipitation
    20%
    70%
    90%
    ≥95%
    Temperature
    11°
    11°
    11°
    12°
    Feels like temperature (°C)
    Wind direction and speed
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    16
    Wind gust (mph)
    29
    30
    30
    30
    Visibility
    M
    M
    M
    M
    Humidity
    96%
    93%
    93%
    94%
    UV - - - -
    Wind direction and speed
    15
    15
    16
    Height of waves offshore (m)
    0.8
    0.8
    0.8
    Period of waves offshore (s)
    4
    4
    4
    Direction of waves offshore
    Sunday (22 February 2026)
    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 Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    ≥95%
    90%
    70%
    70%
    90%
    90%
    90%
    80%
    60%
    20%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    20%
    40%
    20%
    20%
    10%
    Temperature (°C)
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    17
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    15
    W
    14
    W
    13
    W
    13
    W
    14
    W
    14
    W
    16
    WSW
    17
    WSW
    17
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    16
    WSW
    17
    WSW
    18
    WSW
    19
    Wind gust (mph)
    31
    30
    29
    27
    27
    27
    27
    25
    23
    24
    24
    25
    27
    28
    29
    29
    30
    29
    30
    30
    32
    32
    33
    32
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    95%
    95%
    96%
    97%
    97%
    97%
    97%
    97%
    97%
    95%
    93%
    91%
    88%
    85%
    85%
    85%
    85%
    86%
    87%
    87%
    88%
    88%
    88%
    88%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    17
    17
    17
    16
    15
    14
    14
    15
    14
    13
    13
    14
    14
    16
    17
    17
    16
    16
    16
    16
    16
    17
    18
    19
    Height of waves offshore (m)
    0.7
    0.7
    0.8
    0.8
    0.8
    0.8
    0.9
    0.8
    0.8
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.7
    0.8
    0.8
    0.9
    0.9
    0.9
    0.9
    0.9
    1.0
    Period of waves offshore (s)
    4
    4
    4
    9
    8
    8
    8
    8
    8
    9
    8
    4
    4
    4
    4
    5
    5
    10
    5
    5
    5
    5
    4
    5
    Direction of waves offshore
    Monday (23 February 2026)
    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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    40%
    50%
    60%
    80%
    90%
    80%
    70%
    60%
    60%
    50%
    50%
    40%
    30%
    30%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    WSW
    19
    W
    19
    W
    18
    W
    17
    WSW
    16
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    13
    WSW
    12
    WSW
    11
    SW
    9
    SW
    11
    WSW
    13
    WSW
    14
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    11
    WSW
    9
    WSW
    8
    Wind gust (mph)
    32
    32
    31
    31
    30
    30
    29
    28
    26
    26
    26
    26
    25
    24
    26
    26
    25
    26
    26
    25
    23
    21
    19
    18
    Visibility (description)
    M
    M
    G
    G
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    88%
    88%
    88%
    87%
    87%
    90%
    90%
    91%
    90%
    86%
    85%
    85%
    85%
    88%
    93%
    95%
    95%
    96%
    97%
    97%
    97%
    97%
    97%
    96%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    19
    19
    18
    17
    16
    16
    15
    15
    15
    15
    14
    13
    12
    11
    9
    11
    13
    14
    14
    14
    13
    11
    9
    8
    Height of waves offshore (m)
    1.0
    0.9
    1.0
    1.0
    1.1
    1.2
    1.1
    1.0
    0.9
    0.8
    0.7
    0.6
    0.5
    0.4
    0.4
    0.5
    0.7
    0.9
    0.9
    0.9
    0.8
    0.7
    0.6
    0.6
    Period of waves offshore (s)
    5
    5
    5
    6
    6
    7
    7
    8
    8
    8
    8
    8
    8
    14
    14
    14
    14
    7
    7
    8
    8
    8
    8
    8
    Direction of waves offshore
    Tuesday (24 February 2026)
    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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy
    Chance of precipitation
    30%
    30%
    20%
    10%
    <5%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    10°
    10°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    SW
    7
    SW
    7
    SSW
    6
    S
    6
    S
    7
    S
    7
    SSE
    8
    SSE
    8
    SSE
    8
    S
    9
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    9
    SSE
    9
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    9
    SE
    8
    SE
    8
    SE
    7
    SE
    7
    SE
    8
    Wind gust (mph)
    17
    17
    18
    18
    18
    18
    19
    19
    20
    20
    20
    21
    22
    23
    23
    23
    22
    21
    19
    18
    17
    17
    16
    16
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    96%
    95%
    95%
    95%
    94%
    93%
    92%
    92%
    90%
    87%
    86%
    86%
    84%
    82%
    81%
    80%
    81%
    84%
    86%
    88%
    90%
    90%
    91%
    91%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    7
    7
    6
    6
    7
    7
    8
    8
    8
    9
    8
    8
    8
    9
    9
    10
    10
    10
    9
    8
    8
    7
    7
    8
    Height of waves offshore (m)
    0.5
    0.8
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    9
    9
    9
    10
    11
    11
    11
    11
    11
    11
    12
    12
    12
    Direction of waves offshore
    Wednesday (25 February 2026)
    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 Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    30%
    30%
    30%
    30%
    40%
    40%
    30%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    13°
    13°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    11°
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SE
    8
    SSE
    8
    SSE
    8
    SE
    8
    SE
    8
    SE
    7
    SE
    7
    SE
    7
    SE
    7
    SSE
    7
    SSE
    7
    SSE
    6
    SSE
    6
    SSE
    6
    S
    6
    S
    5
    SW
    6
    WSW
    5
    WSW
    5
    SW
    5
    SSW
    5
    SSW
    6
    SSW
    6
    SSW
    7
    Wind gust (mph)
    17
    17
    17
    18
    18
    18
    17
    17
    17
    17
    17
    17
    17
    17
    17
    17
    15
    15
    15
    15
    16
    16
    16
    17
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    91%
    91%
    91%
    93%
    93%
    94%
    95%
    95%
    94%
    93%
    89%
    87%
    86%
    84%
    83%
    82%
    86%
    88%
    91%
    93%
    92%
    91%
    92%
    92%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    8
    8
    8
    8
    8
    7
    7
    7
    7
    7
    7
    6
    6
    6
    6
    5
    6
    5
    5
    5
    5
    6
    6
    7
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    12
    12
    15
    15
    15
    15
    15
    Direction of waves offshore
    Thursday (26 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Overcast
    Chance of precipitation
    30%
    40%
    30%
    20%
    30%
    40%
    30%
    40%
    Temperature (°C)
    11°
    11°
    11°
    11°
    12°
    13°
    12°
    12°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    7
    SSW
    8
    SW
    9
    SW
    11
    SW
    13
    WSW
    13
    SW
    12
    SW
    12
    Wind gust (mph)
    18
    21
    24
    26
    27
    25
    24
    23
    Visibility (description)
    G
    G
    M
    G
    VG
    VG
    G
    G
    Humidity
    92%
    92%
    93%
    89%
    83%
    82%
    85%
    89%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    7
    8
    9
    11
    13
    13
    12
    12
    Height of waves offshore (m)
    0.5
    0.8
    0.9
    0.7
    0.6
    0.5
    0.5
    0.7
    Period of waves offshore (s)
    15
    15
    5
    14
    14
    13
    13
    3
    Direction of waves offshore
    Friday (27 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Light rain Light shower day Light shower day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    60%
    50%
    50%
    30%
    30%
    20%
    20%
    Temperature (°C)
    11°
    11°
    11°
    11°
    12°
    12°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    11
    SSW
    13
    SW
    13
    SW
    14
    WSW
    16
    W
    15
    W
    12
    W
    11
    Wind gust (mph)
    24
    26
    27
    29
    31
    29
    22
    21
    Visibility (description)
    G
    G
    G
    G
    G
    G
    VG
    VG
    Humidity
    88%
    90%
    91%
    88%
    78%
    69%
    77%
    80%
    UV - - - 1 2 1 - -
    Wind direction and speed (mph)
    11
    Height of waves offshore (m)
    1.1
    Period of waves offshore (s)
    4
    Direction of waves offshore

    Tide times

    Saturday 21 February

    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 21 February

    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 21 February

    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 21 February

    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 22 February

    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 22 February

    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 22 February

    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 22 February

    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 23 February

    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 23 February

    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 23 February

    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 23 February

    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 24 February

    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 24 February

    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 24 February

    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 24 February

    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 25 February

    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 25 February

    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 25 February

    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 25 February

    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 26 February

    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 26 February

    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 26 February

    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 26 February

    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 27 February

    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 27 February

    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 27 February

    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 27 February

    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.

    UK video forecast

    Cold Knap, Barry (Beach) weather map

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    WARNING
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    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Wales weather forecast

    Headline:

    Mild, bright and breezy on Sunday with showers possible later.

    This Evening and Tonight:

    Occasionally heavy rain at first this evening, then drier for a time. Further periods of rain arriving overnight. Murky with mist and fog possible. Turning drier for all but the far south by the morning. Rather windy and very mild. Minimum temperature 7 °C.

    Sunday:

    A generally brighter day, albeit somewhat cloudy at times. Rain quickly clearing southern areas then sunny spells for most. Passing showers in the north later. Blustery winds in places. Mild. Maximum temperature 13 °C.

    Outlook for Monday to Wednesday:

    Some rain arriving on Monday, this heavy and persistent in the northwest. Thereafter, much drier than recently and very mild with occasional rain in the west. Brightest in the east.

    Updated:

    UK long range weather forecast

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