Southerndown (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.

Waves

Risk of rip currents

Rip currents can occur on any beach but this beach has a greater risk of rips. Take care in the water.

What to do if you get caught in a rip (RNLI)



Forecast days

Sunny intervals changing to partly cloudy by early evening.
Beach safety today
Large, powerful waves
  • • only experts should take part in water activities

Tide: Next high tide (9.0m) at

Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution

    7 day forecast for Southerndown (Beach)

    Today (17 March 2026)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Clear night Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    14°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    12°
    11°
    10°
    Wind direction and speed
    SE
    11
    SE
    11
    SE
    10
    ESE
    9
    ESE
    8
    E
    7
    E
    7
    ENE
    7
    Wind gust (mph)
    21
    20
    19
    17
    16
    15
    14
    14
    Visibility
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    74%
    75%
    82%
    85%
    88%
    91%
    92%
    93%
    UV 1 1 1 - - - - -
    Wind direction and speed
    11
    10
    9
    8
    7
    7
    7
    Height of waves offshore (m)
    1.2
    1.2
    1.2
    1.2
    1.2
    1.1
    1.1
    Period of waves offshore (s)
    10
    10
    10
    12
    12
    12
    12
    Direction of waves offshore
    Wednesday (18 March 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 Clear night Clear night 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 Clear night Clear night Clear night 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)
    11°
    13°
    15°
    16°
    17°
    18°
    18°
    17°
    16°
    14°
    12°
    12°
    11°
    10°
    Feels like temperature (°C)
    11°
    12°
    13°
    14°
    14°
    15°
    15°
    14°
    12°
    11°
    10°
    Wind direction and speed (mph)
    ENE
    7
    ENE
    7
    ENE
    8
    ENE
    8
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    10
    ENE
    11
    E
    12
    E
    13
    E
    14
    E
    15
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    12
    E
    10
    E
    10
    E
    9
    E
    9
    E
    9
    E
    9
    ENE
    9
    Wind gust (mph)
    14
    14
    15
    16
    17
    19
    20
    21
    22
    23
    24
    25
    25
    25
    24
    23
    21
    20
    19
    19
    19
    19
    18
    18
    Visibility (description)
    G
    M
    M
    M
    M
    M
    M
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    93%
    94%
    95%
    95%
    95%
    95%
    95%
    93%
    86%
    82%
    75%
    66%
    65%
    57%
    55%
    55%
    55%
    64%
    68%
    73%
    73%
    73%
    75%
    76%
    UV - - - - - - 1 1 1 1 2 2 3 2 2 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    7
    7
    8
    8
    9
    9
    9
    10
    11
    12
    13
    14
    15
    15
    15
    13
    12
    10
    9
    9
    9
    9
    9
    9
    Height of waves offshore (m)
    1.1
    1.1
    1.0
    1.0
    1.0
    1.0
    1.0
    1.0
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.0
    1.0
    1.0
    1.0
    0.9
    0.9
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    16
    16
    16
    16
    15
    15
    15
    15
    15
    15
    15
    14
    Direction of waves offshore
    Thursday (19 March 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 Clear night Clear night 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 Clear night Clear night Clear night 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)
    10°
    12°
    13°
    14°
    15°
    15°
    16°
    15°
    14°
    12°
    10°
    Feels like temperature (°C)
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    10°
    Wind direction and speed (mph)
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    8
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    12
    E
    13
    E
    13
    E
    13
    E
    12
    E
    11
    E
    10
    E
    9
    E
    7
    ENE
    6
    ENE
    6
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    Wind gust (mph)
    17
    17
    17
    17
    18
    19
    19
    20
    21
    21
    21
    21
    21
    20
    18
    17
    15
    13
    12
    12
    12
    12
    12
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    75%
    74%
    72%
    71%
    71%
    71%
    72%
    71%
    65%
    61%
    55%
    54%
    45%
    43%
    42%
    41%
    42%
    57%
    67%
    72%
    72%
    73%
    74%
    75%
    UV - - - - - - 1 1 1 1 2 2 3 2 2 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    9
    9
    9
    9
    9
    9
    9
    9
    10
    12
    13
    13
    13
    12
    11
    10
    9
    7
    7
    7
    7
    7
    7
    7
    Height of waves offshore (m)
    0.9
    0.8
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    14
    14
    14
    14
    14
    13
    13
    13
    13
    13
    13
    13
    13
    13
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    Direction of waves offshore
    Friday (20 March 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 Clear night Clear night 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 Clear night Clear night Clear night 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)
    11°
    13°
    14°
    14°
    15°
    15°
    15°
    14°
    11°
    Feels like temperature (°C)
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    10°
    Wind direction and speed (mph)
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    7
    ENE
    8
    E
    9
    E
    9
    ESE
    9
    ESE
    9
    ESE
    8
    ESE
    7
    ESE
    6
    E
    5
    ENE
    5
    ENE
    5
    NE
    6
    ENE
    6
    ENE
    6
    ENE
    6
    Wind gust (mph)
    13
    12
    13
    14
    14
    15
    15
    16
    17
    17
    17
    17
    16
    16
    15
    14
    12
    10
    10
    10
    10
    9
    9
    9
    Visibility (description)
    G
    G
    G
    G
    G
    G
    M
    M
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    M
    Humidity
    77%
    77%
    78%
    78%
    77%
    77%
    77%
    76%
    67%
    61%
    55%
    52%
    43%
    41%
    41%
    41%
    41%
    56%
    71%
    72%
    74%
    75%
    76%
    77%
    UV - - - - - - 1 1 1 1 2 3 3 2 2 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    7
    7
    7
    7
    7
    7
    7
    7
    7
    8
    9
    9
    9
    9
    8
    7
    6
    5
    5
    5
    6
    6
    6
    6
    Height of waves offshore (m)
    0.4
    0.4
    0.3
    0.3
    0.3
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.4
    0.4
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Saturday (21 March 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 Clear night 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 Clear night Clear night Clear night 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)
    11°
    12°
    12°
    12°
    13°
    13°
    13°
    12°
    11°
    Feels like temperature (°C)
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    10°
    Wind direction and speed (mph)
    ENE
    6
    ENE
    6
    ENE
    6
    ENE
    6
    ENE
    6
    ENE
    6
    ENE
    6
    ENE
    5
    ENE
    4
    E
    4
    SE
    4
    SSE
    5
    S
    5
    S
    5
    SSW
    5
    SSW
    5
    SSW
    5
    W
    4
    NW
    4
    NNW
    4
    N
    5
    N
    5
    NNE
    4
    NNE
    4
    Wind gust (mph)
    9
    9
    9
    10
    10
    10
    10
    10
    11
    10
    11
    11
    11
    11
    11
    10
    10
    8
    9
    9
    9
    9
    9
    9
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    G
    G
    G
    Humidity
    78%
    80%
    81%
    83%
    84%
    85%
    85%
    85%
    76%
    71%
    64%
    62%
    61%
    61%
    58%
    55%
    55%
    60%
    73%
    78%
    77%
    79%
    83%
    85%
    UV - - - - - - 1 1 1 1 2 3 3 3 2 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    6
    6
    6
    6
    6
    6
    6
    5
    4
    4
    4
    5
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    4
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Sunday (22 March 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Clear night Clear night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    10°
    12°
    13°
    11°
    Feels like temperature (°C)
    11°
    11°
    Wind direction and speed (mph)
    ENE
    5
    ENE
    5
    NE
    5
    E
    5
    SSW
    6
    WSW
    6
    WSW
    6
    WSW
    6
    Wind gust (mph)
    10
    10
    12
    14
    14
    14
    12
    13
    Visibility (description)
    G
    G
    M
    G
    VG
    VG
    VG
    G
    Humidity
    86%
    88%
    91%
    75%
    63%
    61%
    79%
    90%
    UV - - 1 1 3 1 1 -
    Wind direction and speed (mph)
    4
    5
    4
    5
    6
    6
    6
    6
    Height of waves offshore (m)
    0.4
    0.5
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    11
    11
    11
    13
    13
    13
    13
    12
    Direction of waves offshore
    Monday (23 March 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    11°
    12°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    7
    W
    8
    WNW
    8
    NW
    9
    WNW
    11
    WNW
    11
    WNW
    11
    NW
    11
    Wind gust (mph)
    13
    15
    18
    20
    22
    23
    22
    20
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    92%
    92%
    92%
    84%
    73%
    70%
    82%
    80%
    UV - - 1 1 2 1 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    0.4
    Period of waves offshore (s)
    12
    Direction of waves offshore

    Tide times

    Tuesday 17 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 17 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 17 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 17 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 18 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 18 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 18 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 18 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 19 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 19 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 19 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 19 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 20 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 20 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 20 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 20 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 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 March

    Tide times and heights are from Porthcawl tidal station which is 4.3 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Southerndown (Beach) weather map

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    Wales weather forecast

    Headline:

    Cloudy skies for some overnight. Warm sunshine ahead.

    This Evening and Tonight:

    A dry evening for most, with clear spells. Cloudier skies towards the coasts, with a little drizzle still possible. A few fog patches forming where skies remain clear overnight. Minimum temperature 3 °C.

    Wednesday:

    After a chilly start, sunny skies are expected for many. Morning cloud towards the coasts and fog elsewhere should lift and break, allowing plenty of sunshine. Feeling warm. Light winds. Maximum temperature 20 °C.

    Outlook for Thursday to Saturday:

    Another warm and sunny day is expected on Thursday. Friday and Saturday should remain dry with sunny spells, though a little cooler. Chilly nights where skies remain clear. Light winds.

    Updated:

    UK long range weather forecast

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