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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

Sunny intervals.
Beach safety today
Use caution in and out of the sea. Strong winds may blow you off course or affect your balance
  • • paddle boarding/kayaking not recommended at any level
  • • consider your abilities in all other activities, seek expert advice

Tide: Next low tide (2.8m) at

Sunrise iconSunrise:
Sunset iconSunset:
VH UV
L Pollution

    7 day forecast for Cold Knap, Barry (Beach)

    Today (2 July 2025)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    16°
    16°
    16°
    17°
    18°
    19°
    20°
    20°
    20°
    20°
    20°
    21°
    20°
    20°
    19°
    18°
    16°
    15°
    14°
    Feels like temperature (°C)
    15°
    14°
    15°
    16°
    17°
    17°
    17°
    17°
    16°
    16°
    17°
    16°
    16°
    16°
    16°
    16°
    15°
    13°
    13°
    Wind direction and speed
    NW
    9
    NW
    8
    NW
    8
    NW
    8
    NW
    9
    WNW
    11
    WNW
    13
    WNW
    15
    WNW
    16
    WNW
    16
    WNW
    15
    WNW
    15
    WNW
    15
    WNW
    14
    WNW
    13
    WNW
    11
    WNW
    9
    NW
    6
    NW
    5
    Wind gust (mph)
    18
    18
    19
    21
    22
    25
    29
    32
    34
    33
    33
    33
    32
    30
    28
    25
    21
    16
    13
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    85%
    84%
    77%
    71%
    64%
    57%
    54%
    50%
    52%
    54%
    48%
    41%
    45%
    47%
    46%
    55%
    61%
    69%
    74%
    UV 1 1 1 2 3 5 7 8 8 7 6 5 3 2 1 1 1 - -
    Wind direction and speed
    9
    8
    8
    9
    10
    11
    13
    16
    16
    15
    15
    15
    15
    14
    13
    11
    9
    7
    5
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.5
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.4
    Period of waves offshore (s)
    4
    4
    9
    5
    5
    5
    5
    4
    4
    4
    5
    5
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Thursday (3 July 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 Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    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)
    13°
    12°
    12°
    11°
    11°
    11°
    12°
    14°
    16°
    17°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    16°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    11°
    10°
    11°
    14°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    14°
    13°
    Wind direction and speed (mph)
    NW
    5
    NW
    5
    NW
    4
    NW
    4
    NNW
    4
    NNW
    4
    NNW
    3
    NW
    3
    WNW
    4
    W
    5
    WSW
    8
    WSW
    9
    W
    11
    W
    12
    W
    12
    W
    12
    W
    13
    W
    13
    W
    13
    W
    12
    W
    11
    W
    10
    WNW
    9
    WNW
    7
    Wind gust (mph)
    12
    11
    10
    10
    10
    8
    6
    7
    11
    15
    18
    21
    23
    25
    26
    26
    26
    25
    25
    23
    22
    20
    18
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    Humidity
    77%
    82%
    84%
    85%
    85%
    85%
    84%
    77%
    71%
    60%
    55%
    47%
    43%
    43%
    43%
    45%
    49%
    51%
    55%
    57%
    64%
    72%
    77%
    81%
    UV - - - - - 1 1 1 2 4 5 7 8 8 7 6 5 3 2 1 1 1 - -
    Wind direction and speed (mph)
    5
    4
    4
    4
    4
    4
    3
    3
    4
    5
    7
    9
    11
    12
    12
    12
    12
    12
    12
    12
    11
    10
    8
    7
    Height of waves offshore (m)
    0.4
    0.3
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.3
    0.3
    0.3
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    Period of waves offshore (s)
    5
    5
    5
    9
    9
    9
    9
    9
    9
    9
    8
    6
    6
    6
    3
    3
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Friday (4 July 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    13°
    12°
    15°
    18°
    20°
    19°
    18°
    16°
    Feels like temperature (°C)
    13°
    13°
    12°
    15°
    17°
    17°
    16°
    15°
    14°
    Wind direction and speed (mph)
    WNW
    6
    WNW
    6
    NW
    4
    WNW
    4
    WSW
    9
    W
    13
    W
    15
    W
    14
    W
    13
    Wind gust (mph)
    14
    13
    9
    15
    24
    29
    29
    25
    24
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    Humidity
    84%
    85%
    90%
    85%
    68%
    58%
    63%
    71%
    76%
    UV - - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    6
    5
    5
    4
    9
    13
    15
    14
    12
    Height of waves offshore (m)
    0.3
    0.3
    0.2
    0.2
    0.5
    0.7
    0.7
    0.8
    0.8
    Period of waves offshore (s)
    4
    8
    3
    3
    5
    3
    4
    4
    4
    Direction of waves offshore
    Saturday (5 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    30%
    50%
    70%
    80%
    80%
    70%
    60%
    60%
    Temperature (°C)
    16°
    16°
    16°
    18°
    18°
    18°
    18°
    17°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    15°
    Wind direction and speed (mph)
    WSW
    13
    WSW
    14
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    15
    W
    14
    W
    13
    Wind gust (mph)
    25
    29
    31
    30
    30
    29
    26
    26
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    80%
    84%
    91%
    91%
    93%
    92%
    92%
    92%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    13
    14
    14
    16
    16
    15
    15
    13
    Height of waves offshore (m)
    0.9
    1.1
    1.2
    1.1
    1.0
    1.0
    0.9
    0.9
    Period of waves offshore (s)
    4
    5
    6
    7
    7
    7
    5
    5
    Direction of waves offshore
    Sunday (6 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light rain Overcast Overcast Overcast Overcast Cloudy Sunny intervals Cloudy
    Chance of precipitation
    50%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    16°
    16°
    16°
    17°
    18°
    18°
    18°
    16°
    Feels like temperature (°C)
    15°
    14°
    14°
    15°
    15°
    16°
    15°
    15°
    Wind direction and speed (mph)
    W
    12
    W
    11
    WNW
    10
    W
    12
    W
    14
    W
    14
    W
    14
    W
    11
    Wind gust (mph)
    25
    26
    26
    28
    28
    28
    25
    20
    Visibility (description)
    VG
    VG
    VG
    E
    VG
    VG
    VG
    VG
    Humidity
    93%
    92%
    86%
    78%
    73%
    73%
    76%
    83%
    UV - - 1 3 5 4 1 -
    Wind direction and speed (mph)
    11
    11
    10
    12
    14
    14
    14
    11
    Height of waves offshore (m)
    1.2
    1.3
    1.1
    1.1
    1.6
    1.4
    1.4
    1.0
    Period of waves offshore (s)
    7
    8
    5
    6
    6
    6
    6
    6
    Direction of waves offshore
    Monday (7 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Sunny intervals Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny day Clear night
    Chance of precipitation
    40%
    40%
    50%
    40%
    30%
    30%
    10%
    10%
    Temperature (°C)
    15°
    14°
    14°
    17°
    18°
    19°
    19°
    16°
    Feels like temperature (°C)
    14°
    13°
    12°
    14°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    WNW
    10
    WNW
    11
    WNW
    11
    WNW
    12
    WNW
    13
    WNW
    13
    WNW
    12
    NW
    9
    Wind gust (mph)
    20
    21
    23
    24
    26
    25
    23
    17
    Visibility (description)
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    88%
    85%
    72%
    64%
    59%
    59%
    74%
    UV - - 1 5 7 4 1 -
    Wind direction and speed (mph)
    10
    11
    11
    12
    13
    13
    12
    9
    Height of waves offshore (m)
    0.9
    Period of waves offshore (s)
    8
    Direction of waves offshore
    Tuesday (8 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    15°
    14°
    15°
    17°
    20°
    20°
    19°
    16°
    Feels like temperature (°C)
    14°
    13°
    14°
    16°
    17°
    17°
    17°
    15°
    Wind direction and speed (mph)
    NW
    7
    NW
    7
    NW
    7
    NW
    9
    WNW
    10
    W
    11
    WNW
    11
    WNW
    8
    Wind gust (mph)
    14
    10
    13
    16
    22
    22
    21
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    88%
    83%
    71%
    60%
    56%
    60%
    73%
    UV - - 1 5 7 4 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Wednesday 2 July

    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 2 July

    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 2 July

    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 2 July

    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 3 July

    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 3 July

    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 3 July

    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 3 July

    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 4 July

    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 4 July

    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 4 July

    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 4 July

    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 5 July

    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 5 July

    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 5 July

    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 5 July

    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 6 July

    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 6 July

    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 6 July

    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 6 July

    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 7 July

    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 7 July

    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 7 July

    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 7 July

    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 8 July

    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 8 July

    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 8 July

    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 8 July

    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

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Warm sunny spells developing, but feeling a little fresher.

    Today:

    Early cloud in the east quickly clearing east this morning to leave a mostly fine day with plenty of warm sunny spells. Perhaps the odd shower developing later in the west. Feeling fresher than in recent days. Maximum temperature 22 °C.

    Tonight:

    It will be a fine evening with a dry night to follow. Winds remaining light with plenty of clear spells. Feeling fresher than of late. Minimum temperature 9 °C.

    Thursday:

    Thursday will be a fine day with plenty of warm sunny spells for all. A little fair weather cloud developing and winds remaining light. Maximum temperature 21 °C.

    Outlook for Friday to Sunday:

    Mostly dry on Friday, but turning cloudier and breezier later. Spells of rain or showers over the weekend and rather breezy on Saturday. Temperatures near the seasonal norm.

    Updated:

    UK long range weather forecast

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