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 changing to partly cloudy by nighttime.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, strong wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding/kayaking not recommended at any level

Tide: Next high tide (8.6m) at

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

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

    Today (4 March 2026)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny day Sunny day Clear night Clear night Clear night Clear night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    13°
    12°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    Wind direction and speed
    ESE
    15
    ESE
    15
    ESE
    14
    ESE
    15
    ESE
    14
    ESE
    14
    ESE
    13
    ESE
    14
    Wind gust (mph)
    23
    21
    22
    22
    22
    21
    20
    19
    Visibility
    G
    G
    G
    VG
    VG
    G
    G
    G
    Humidity
    82%
    84%
    85%
    85%
    85%
    86%
    87%
    86%
    UV 1 1 1 - - - - -
    Wind direction and speed
    15
    14
    15
    14
    14
    13
    14
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    12
    12
    Direction of waves offshore
    Thursday (5 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Overcast Overcast Light rain Light rain Light rain Overcast Overcast Light rain Light rain
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    30%
    30%
    50%
    60%
    60%
    50%
    50%
    50%
    50%
    60%
    Temperature (°C)
    10°
    10°
    10°
    11°
    12°
    13°
    13°
    14°
    14°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    15
    E
    15
    ESE
    14
    ESE
    14
    ESE
    13
    SE
    12
    SE
    10
    SSE
    9
    SSW
    8
    WSW
    8
    WNW
    8
    NNW
    13
    NNW
    16
    N
    19
    N
    20
    N
    21
    N
    22
    Wind gust (mph)
    19
    19
    19
    19
    19
    19
    20
    21
    20
    20
    20
    20
    18
    17
    15
    13
    16
    23
    25
    29
    30
    31
    31
    32
    Visibility (description)
    G
    VG
    G
    G
    G
    G
    VG
    G
    VG
    VG
    VG
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    86%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    86%
    88%
    91%
    92%
    90%
    90%
    88%
    86%
    86%
    86%
    84%
    UV - - - - - - 1 1 1 1 1 1 2 1 1 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    14
    14
    14
    14
    14
    14
    14
    15
    15
    14
    14
    13
    12
    10
    9
    8
    8
    8
    13
    16
    19
    20
    21
    22
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.7
    0.7
    0.8
    0.8
    0.8
    0.8
    0.8
    0.8
    0.7
    0.7
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    0.9
    0.9
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    12
    12
    Direction of waves offshore
    Friday (6 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 Light rain Light rain Overcast Cloudy Cloudy Cloudy Cloudy 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 Clear night Clear night Clear night
    Chance of precipitation
    50%
    60%
    50%
    50%
    30%
    30%
    40%
    30%
    30%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    22
    N
    22
    N
    21
    N
    20
    N
    19
    N
    18
    NNW
    18
    NNW
    17
    NNW
    16
    NNW
    16
    N
    16
    N
    16
    N
    16
    N
    15
    N
    15
    NNW
    15
    NNW
    14
    NNW
    14
    NNW
    13
    NNW
    11
    N
    10
    N
    9
    N
    8
    NNE
    7
    Wind gust (mph)
    32
    32
    30
    29
    28
    27
    25
    25
    24
    25
    25
    25
    23
    23
    22
    21
    20
    19
    18
    17
    15
    13
    12
    11
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    81%
    81%
    79%
    78%
    77%
    75%
    75%
    74%
    71%
    68%
    65%
    60%
    60%
    59%
    59%
    59%
    62%
    66%
    67%
    70%
    73%
    75%
    76%
    UV - - - - - - 1 1 1 1 1 2 2 2 1 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    22
    22
    21
    20
    19
    18
    18
    17
    16
    16
    16
    16
    16
    15
    15
    15
    14
    14
    13
    11
    10
    9
    8
    7
    Height of waves offshore (m)
    0.9
    0.8
    0.8
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    0.7
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    12
    12
    11
    11
    11
    11
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    Direction of waves offshore
    Saturday (7 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNE
    7
    NNE
    7
    NNE
    6
    NNE
    6
    NE
    6
    NE
    6
    NE
    7
    NE
    7
    NE
    6
    ENE
    6
    E
    6
    E
    6
    SE
    7
    SE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SE
    7
    ESE
    7
    ESE
    7
    E
    7
    E
    7
    E
    8
    E
    9
    Wind gust (mph)
    11
    11
    11
    12
    12
    13
    13
    13
    12
    13
    13
    13
    13
    14
    13
    13
    13
    15
    14
    13
    13
    13
    14
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    77%
    78%
    80%
    82%
    83%
    83%
    83%
    84%
    84%
    84%
    82%
    81%
    82%
    82%
    81%
    81%
    82%
    82%
    83%
    84%
    84%
    85%
    86%
    87%
    UV - - - - - - 1 1 1 1 1 2 2 2 1 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    7
    7
    6
    6
    6
    6
    7
    7
    6
    6
    6
    6
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    8
    9
    Height of waves offshore (m)
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    0.8
    0.8
    0.8
    0.8
    0.9
    0.9
    0.9
    1.0
    1.0
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    Direction of waves offshore
    Sunday (8 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 Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    20%
    20%
    30%
    20%
    20%
    30%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    10°
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    12°
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    10°
    Wind direction and speed (mph)
    ESE
    9
    ESE
    10
    ESE
    11
    ESE
    12
    ESE
    12
    ESE
    12
    ESE
    13
    ESE
    13
    ESE
    13
    ESE
    13
    ESE
    14
    ESE
    14
    ESE
    14
    SE
    13
    SE
    13
    SE
    12
    ESE
    12
    ESE
    11
    ESE
    11
    ESE
    10
    ESE
    9
    ESE
    8
    ESE
    7
    ESE
    7
    Wind gust (mph)
    18
    18
    18
    19
    19
    19
    20
    20
    21
    21
    21
    21
    20
    21
    19
    18
    17
    16
    15
    13
    13
    12
    13
    13
    Visibility (description)
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    G
    G
    G
    M
    G
    G
    G
    M
    M
    M
    M
    M
    M
    Humidity
    88%
    89%
    91%
    92%
    92%
    92%
    92%
    92%
    93%
    92%
    92%
    91%
    90%
    89%
    88%
    87%
    86%
    87%
    88%
    91%
    92%
    92%
    93%
    93%
    UV - - - - - - 1 1 1 1 1 2 2 2 1 1 1 1 1 - - - - -
    Wind direction and speed (mph)
    9
    10
    11
    12
    12
    12
    13
    13
    13
    13
    14
    14
    14
    13
    13
    12
    12
    11
    11
    10
    9
    8
    7
    7
    Height of waves offshore (m)
    1.0
    1.0
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.0
    1.0
    1.0
    1.0
    Period of waves offshore (s)
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    Direction of waves offshore
    Monday (9 March 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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    20%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    11°
    12°
    10°
    Feels like temperature (°C)
    10°
    11°
    Wind direction and speed (mph)
    E
    8
    E
    7
    E
    7
    E
    7
    SSW
    8
    WSW
    6
    W
    5
    W
    5
    Wind gust (mph)
    13
    13
    13
    14
    13
    11
    9
    8
    Visibility (description)
    M
    M
    M
    M
    G
    G
    G
    G
    Humidity
    93%
    93%
    93%
    93%
    90%
    89%
    90%
    92%
    UV - - 1 1 2 1 1 -
    Wind direction and speed (mph)
    8
    7
    7
    7
    8
    6
    5
    5
    Height of waves offshore (m)
    1.0
    1.0
    1.0
    0.9
    0.9
    0.8
    0.8
    0.7
    Period of waves offshore (s)
    12
    12
    11
    11
    11
    11
    11
    10
    Direction of waves offshore
    Tuesday (10 March 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    Temperature (°C)
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    NNW
    5
    S
    6
    S
    7
    SSE
    9
    SSW
    10
    SSW
    9
    SSW
    8
    SSW
    10
    Wind gust (mph)
    10
    11
    14
    18
    17
    15
    15
    18
    Visibility (description)
    G
    G
    M
    M
    G
    G
    G
    G
    Humidity
    92%
    93%
    92%
    91%
    89%
    86%
    90%
    90%
    UV - - 1 1 2 1 1 -
    Wind direction and speed (mph)
    5
    Height of waves offshore (m)
    0.7
    Period of waves offshore (s)
    10
    Direction of waves offshore

    Tide times

    Wednesday 4 March

    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 4 March

    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 4 March

    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 4 March

    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 5 March

    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 5 March

    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 5 March

    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 5 March

    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 6 March

    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 6 March

    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 6 March

    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 6 March

    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 7 March

    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 7 March

    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 7 March

    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 7 March

    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 8 March

    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 8 March

    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 8 March

    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 8 March

    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 9 March

    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 9 March

    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 9 March

    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 9 March

    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 10 March

    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 10 March

    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 10 March

    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 10 March

    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.

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

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    Wales weather forecast

    Headline:

    Mild but turning cloudier on Thursday with rain arriving.

    This Evening and Tonight:

    Staying dry this evening and overnight with clear spells. A few patchy mist and fog reforming. Strengthening breezes around coasts and hills. A cool night. Minimum temperature 5 °C.

    Thursday:

    Some sunshine possible in the east, where feeling very mild. Temperatures suppressed slightly in the west as cloud thickens ahead of rain arriving later, heavy at times initially. Maximum temperature 16 °C.

    Outlook for Friday to Sunday:

    Occasional patchy rain and drizzle in places, but mostly dry albeit often cloudy. Cloud breaking at times to give some warm sunshine though less mild and chilly by night.

    Updated:

    UK long range weather forecast

    More from the Met Office