Pembrey Beach - Llanelli (Cefn Sidan) (Beach) (Carmarthenshire) 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.
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 (2.4m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    8 day forecast for Pembrey Beach - Llanelli (Cefn Sidan) (Beach)

    Today (18 May 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 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%
    Temperature
    10°
    13°
    15°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    19°
    19°
    18°
    15°
    13°
    13°
    Feels like temperature (°C)
    13°
    15°
    16°
    17°
    17°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    16°
    14°
    12°
    11°
    Wind direction and speed
    NNE
    4
    NE
    4
    NE
    4
    NE
    4
    ESE
    3
    S
    4
    SW
    6
    SSW
    9
    SSW
    10
    SW
    10
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    9
    WNW
    9
    NNW
    9
    N
    8
    N
    7
    NNE
    7
    Wind gust (mph)
    9
    9
    8
    7
    8
    10
    12
    14
    15
    16
    17
    17
    16
    14
    14
    12
    11
    11
    11
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    83%
    80%
    75%
    71%
    71%
    73%
    74%
    75%
    76%
    77%
    76%
    75%
    74%
    70%
    66%
    67%
    70%
    69%
    UV 1 1 1 2 3 4 6 6 7 6 5 4 2 1 1 1 1 - -
    Wind direction and speed
    4
    4
    4
    4
    3
    4
    6
    9
    10
    10
    11
    11
    10
    9
    9
    9
    8
    7
    7
    Height of waves offshore (m)
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Monday (19 May 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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    30%
    30%
    30%
    20%
    20%
    10%
    <5%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    13°
    12°
    12°
    11°
    10°
    10°
    10°
    12°
    13°
    14°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    17°
    17°
    17°
    16°
    14°
    13°
    12°
    Feels like temperature (°C)
    11°
    11°
    10°
    11°
    12°
    13°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    13°
    12°
    11°
    Wind direction and speed (mph)
    NE
    7
    ENE
    8
    E
    9
    E
    9
    E
    9
    ENE
    9
    ENE
    9
    E
    11
    E
    12
    ESE
    14
    ESE
    14
    ESE
    14
    ESE
    13
    ESE
    12
    SE
    10
    S
    9
    NNW
    9
    NW
    10
    NNW
    10
    NNW
    10
    N
    10
    N
    9
    N
    8
    NNE
    8
    Wind gust (mph)
    12
    15
    15
    17
    19
    20
    20
    21
    23
    23
    22
    20
    20
    19
    17
    16
    14
    13
    13
    13
    12
    11
    11
    12
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    70%
    69%
    69%
    71%
    73%
    75%
    75%
    75%
    75%
    73%
    72%
    70%
    69%
    68%
    68%
    68%
    67%
    66%
    64%
    64%
    66%
    68%
    70%
    70%
    UV - - - - - 1 1 1 2 3 4 6 6 7 6 4 3 2 1 1 1 1 - -
    Wind direction and speed (mph)
    7
    8
    9
    9
    9
    9
    9
    11
    12
    14
    14
    14
    13
    12
    9
    8
    9
    10
    10
    9
    9
    9
    9
    8
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Tuesday (20 May 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Clear night Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    10%
    10%
    20%
    30%
    30%
    10%
    10%
    Temperature (°C)
    12°
    11°
    10°
    11°
    16°
    17°
    17°
    17°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    15°
    16°
    16°
    16°
    12°
    Wind direction and speed (mph)
    NNE
    8
    NNE
    7
    NE
    7
    ENE
    6
    ESE
    5
    SW
    8
    W
    11
    NW
    9
    NNW
    8
    Wind gust (mph)
    11
    13
    13
    11
    14
    16
    16
    12
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    70%
    69%
    71%
    73%
    67%
    72%
    71%
    67%
    70%
    UV - - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    8
    7
    6
    5
    5
    8
    10
    10
    8
    Height of waves offshore (m)
    0.3
    0.3
    0.3
    0.4
    0.3
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    9
    9
    9
    11
    10
    11
    10
    10
    10
    Direction of waves offshore
    Wednesday (21 May 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 day Sunny intervals Sunny day Sunny day Clear night
    Chance of precipitation
    10%
    20%
    20%
    30%
    30%
    20%
    20%
    <5%
    Temperature (°C)
    11°
    10°
    11°
    16°
    18°
    18°
    17°
    13°
    Feels like temperature (°C)
    10°
    10°
    14°
    16°
    16°
    15°
    11°
    Wind direction and speed (mph)
    N
    6
    N
    7
    N
    6
    W
    8
    W
    11
    WNW
    13
    NNW
    12
    NNW
    10
    Wind gust (mph)
    10
    11
    12
    16
    19
    20
    17
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    78%
    79%
    74%
    73%
    65%
    63%
    68%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    6
    6
    6
    8
    11
    12
    11
    10
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.4
    0.4
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    9
    9
    9
    Direction of waves offshore
    Thursday (22 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    20%
    20%
    20%
    10%
    Temperature (°C)
    10°
    11°
    15°
    16°
    16°
    15°
    12°
    Feels like temperature (°C)
    13°
    14°
    14°
    12°
    10°
    Wind direction and speed (mph)
    N
    9
    NE
    7
    NNE
    7
    SW
    9
    WSW
    11
    W
    13
    NW
    14
    NNW
    10
    Wind gust (mph)
    12
    10
    13
    18
    20
    21
    18
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    76%
    77%
    72%
    67%
    64%
    64%
    69%
    UV - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    9
    8
    7
    9
    11
    13
    14
    10
    Height of waves offshore (m)
    0.4
    0.4
    0.3
    0.3
    0.5
    0.5
    0.5
    0.4
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Friday (23 May 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 intervals Cloudy
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    Temperature (°C)
    10°
    10°
    14°
    15°
    16°
    15°
    12°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    10°
    Wind direction and speed (mph)
    N
    9
    NE
    9
    N
    9
    N
    11
    NW
    11
    WNW
    12
    WNW
    12
    WNW
    9
    Wind gust (mph)
    11
    13
    13
    17
    18
    20
    17
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    75%
    75%
    69%
    65%
    68%
    71%
    80%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    9
    9
    9
    11
    11
    12
    12
    9
    Height of waves offshore (m)
    0.4
    0.4
    0.5
    0.5
    0.6
    Period of waves offshore (s)
    8
    9
    5
    5
    6
    Direction of waves offshore
    Saturday (24 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Cloudy Cloudy
    Chance of precipitation
    40%
    40%
    30%
    30%
    30%
    30%
    20%
    30%
    Temperature (°C)
    11°
    10°
    12°
    15°
    16°
    16°
    15°
    13°
    Feels like temperature (°C)
    10°
    13°
    14°
    14°
    13°
    11°
    Wind direction and speed (mph)
    WNW
    10
    W
    10
    WSW
    10
    SW
    11
    SW
    12
    SW
    12
    WSW
    12
    SW
    9
    Wind gust (mph)
    12
    11
    16
    18
    19
    17
    14
    15
    Visibility (description)
    VG
    G
    G
    VG
    G
    VG
    VG
    G
    Humidity
    83%
    87%
    86%
    83%
    76%
    77%
    78%
    84%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    10
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore
    Sunday (25 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Cloudy No weather symbol data
    Chance of precipitation
    40%
    30%
    40%
    40%
    40%
    40%
    20%
    Temperature (°C)
    12°
    12°
    12°
    14°
    16°
    16°
    15°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    12°
    14°
    14°
    13°
    11°
    Wind direction and speed (mph)
    SW
    10
    SW
    10
    SW
    11
    SW
    13
    SW
    13
    SW
    13
    SW
    12
    SW
    10
    Wind gust (mph)
    15
    17
    21
    23
    23
    23
    20
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    88%
    85%
    80%
    75%
    77%
    78%
    82%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Sunday 18 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 18 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 18 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 18 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 19 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 19 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 19 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 19 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 20 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 20 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 20 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 20 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 21 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 21 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 21 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 21 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 22 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 22 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 22 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 22 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 23 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 23 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 23 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 23 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 24 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 24 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 24 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 24 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 25 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 25 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 25 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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 25 May

    Tide times and heights are from Burry Port tidal station which is 2.8 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

    Pembrey Beach - Llanelli (Cefn Sidan) (Beach) weather map

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    Wales weather forecast

    Headline:

    Dry with plenty of warm sunshine. Light winds.

    Today:

    Early mist and low cloud will soon lift and burn away to give another fine and dry day with plenty of sunny spells. Feeling warm in the sunshine with light winds and high UV levels. Maximum temperature 22 °C.

    Tonight:

    A fine end to the day, with evening sunshine. Staying dry with clear skies overnight. Chance of some low cloud developing by dawn. Locally chilly in rural spots. Light winds. Minimum temperature 2 °C.

    Monday:

    Early cloud will soon clear to give another fine and mostly dry day, with warm sunny spells. Risk of isolated showers, perhaps heavy and thundery in places. Light winds. Maximum temperature 21 °C.

    Outlook for Tuesday to Thursday:

    Staying largely fine and mostly dry, with warm sunny spells throughout. Chance of showers, perhaps heavy and thundery, Tuesday. Clear skies overnight and turning locally in rural areas. Light winds.

    Updated:

    UK long range weather forecast

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