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Blue Lagoon - Abereiddy Bay (Beach) (Pembrokeshire) 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

Partly cloudy.
Beach safety today
Very large, powerful waves
  • • high likelihood of injury in or near the sea

Tide: Next low tide (1.7m) at

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

    7 day forecast for Blue Lagoon - Abereiddy Bay (Beach)

    Today (17 September 2025)
    Time
    22:00
    23:00
    Weather symbols Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    10%
    Temperature
    15°
    15°
    Feels like temperature (°C)
    13°
    13°
    Wind direction and speed
    SW
    13
    SW
    13
    Wind gust (mph)
    25
    24
    Visibility
    VG
    VG
    Humidity
    86%
    86%
    UV - -
    Wind direction and speed
    13
    12
    Height of waves offshore (m)
    1.9
    1.8
    Period of waves offshore (s)
    11
    11
    Direction of waves offshore
    Thursday (18 September 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 Partly cloudy night Overcast Overcast Overcast Overcast Overcast Light rain Overcast Drizzle Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    20%
    30%
    30%
    30%
    50%
    50%
    40%
    40%
    40%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    SW
    12
    SW
    11
    SW
    10
    SW
    10
    SSW
    10
    SSW
    10
    SSW
    11
    SSW
    13
    SSW
    15
    SSW
    18
    SSW
    19
    SSW
    20
    SSW
    21
    SSW
    21
    SSW
    21
    SSW
    21
    SSW
    21
    SSW
    21
    SSW
    20
    SSW
    20
    SSW
    20
    SSW
    19
    SSW
    19
    SSW
    20
    Wind gust (mph)
    23
    20
    19
    18
    18
    17
    19
    22
    26
    32
    34
    35
    35
    36
    37
    38
    37
    36
    36
    35
    35
    35
    35
    36
    Visibility (description)
    VG
    VG
    G
    G
    M
    M
    M
    M
    M
    M
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    87%
    89%
    91%
    92%
    97%
    98%
    99%
    98%
    99%
    96%
    93%
    92%
    90%
    89%
    91%
    91%
    92%
    93%
    93%
    93%
    93%
    93%
    93%
    UV - - - - - - - 1 1 1 1 2 2 2 2 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    12
    11
    10
    10
    10
    10
    11
    13
    15
    18
    19
    20
    21
    21
    21
    21
    21
    21
    20
    20
    20
    19
    19
    20
    Height of waves offshore (m)
    1.7
    1.5
    1.4
    1.3
    1.2
    1.3
    1.3
    1.3
    1.4
    1.4
    1.5
    1.5
    1.4
    1.4
    1.3
    1.3
    1.3
    1.3
    1.4
    1.5
    1.6
    1.6
    1.7
    1.7
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    10
    10
    10
    9
    9
    9
    9
    Direction of waves offshore
    Friday (19 September 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    10%
    20%
    20%
    20%
    30%
    40%
    50%
    50%
    40%
    50%
    40%
    40%
    50%
    50%
    60%
    60%
    60%
    60%
    70%
    60%
    70%
    70%
    70%
    60%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    S
    20
    S
    20
    S
    20
    S
    19
    S
    19
    S
    19
    S
    18
    SSW
    17
    SSW
    16
    SSW
    15
    SSW
    15
    SSW
    15
    SSW
    14
    SSW
    14
    SSW
    14
    SSW
    13
    SW
    12
    SW
    11
    SW
    10
    SW
    9
    SW
    8
    SSW
    8
    SSW
    7
    SSW
    7
    Wind gust (mph)
    35
    36
    35
    35
    34
    33
    30
    27
    26
    25
    23
    21
    21
    21
    21
    22
    19
    17
    17
    17
    14
    13
    13
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    93%
    92%
    92%
    92%
    92%
    92%
    93%
    94%
    95%
    95%
    95%
    94%
    91%
    90%
    89%
    91%
    92%
    92%
    93%
    93%
    93%
    93%
    94%
    95%
    UV - - - - - - - 1 1 1 1 2 2 2 2 1 1 1 1 1 - - - -
    Wind direction and speed (mph)
    20
    20
    20
    19
    19
    19
    18
    17
    16
    16
    15
    15
    15
    14
    14
    13
    12
    11
    10
    9
    9
    8
    7
    7
    Height of waves offshore (m)
    1.7
    1.6
    1.5
    1.4
    1.3
    1.4
    1.5
    1.6
    1.6
    1.6
    1.6
    1.5
    1.3
    1.2
    1.1
    1.0
    0.9
    0.9
    0.9
    0.9
    0.9
    0.9
    1.0
    0.9
    Period of waves offshore (s)
    9
    9
    9
    9
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    Direction of waves offshore
    Saturday (20 September 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 Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Light rain Heavy rain Heavy rain Light rain Light rain Heavy rain Light rain Light rain Light rain Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    60%
    70%
    70%
    70%
    70%
    80%
    80%
    70%
    80%
    80%
    80%
    70%
    70%
    70%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    Temperature (°C)
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SSW
    7
    SSW
    7
    W
    7
    NW
    7
    NW
    7
    NW
    7
    NW
    8
    NNW
    8
    NNE
    8
    N
    9
    NNE
    10
    NNW
    12
    NNW
    14
    NNW
    15
    NW
    15
    NW
    15
    NW
    15
    NW
    16
    NW
    16
    NW
    15
    NW
    15
    NW
    15
    NW
    15
    NW
    15
    Wind gust (mph)
    14
    13
    13
    13
    12
    12
    13
    13
    12
    13
    15
    17
    19
    21
    19
    23
    22
    25
    26
    24
    24
    22
    22
    22
    Visibility (description)
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    M
    M
    G
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    94%
    95%
    94%
    93%
    93%
    93%
    94%
    94%
    94%
    93%
    92%
    91%
    89%
    88%
    83%
    82%
    79%
    81%
    80%
    83%
    81%
    83%
    83%
    84%
    UV - - - - - - - 1 1 1 1 1 2 2 2 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    7
    7
    7
    7
    7
    7
    7
    8
    9
    10
    10
    12
    13
    15
    15
    15
    15
    15
    15
    15
    15
    15
    15
    16
    Height of waves offshore (m)
    0.9
    0.9
    0.9
    0.9
    0.9
    0.9
    0.9
    0.9
    0.9
    1.0
    1.0
    1.0
    1.1
    1.1
    1.1
    1.1
    1.1
    1.7
    2.3
    2.9
    2.8
    2.8
    2.7
    2.7
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    8
    7
    7
    6
    6
    6
    6
    7
    8
    8
    8
    8
    8
    Direction of waves offshore
    Sunday (21 September 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Light shower day Partly cloudy night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    70%
    70%
    70%
    70%
    70%
    80%
    80%
    70%
    60%
    60%
    60%
    60%
    60%
    70%
    60%
    60%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNW
    16
    NNW
    17
    NNW
    17
    N
    17
    N
    18
    N
    19
    N
    18
    N
    18
    N
    19
    N
    19
    N
    19
    NNE
    19
    NNE
    19
    NNE
    19
    N
    19
    N
    19
    N
    19
    NNE
    20
    N
    19
    NNE
    19
    NNE
    18
    NNE
    17
    NNE
    16
    NNE
    15
    Wind gust (mph)
    24
    28
    28
    28
    30
    35
    36
    39
    39
    39
    38
    37
    39
    37
    36
    37
    37
    38
    37
    36
    35
    36
    34
    31
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    84%
    84%
    82%
    82%
    81%
    80%
    82%
    80%
    78%
    74%
    72%
    70%
    69%
    69%
    68%
    65%
    65%
    61%
    66%
    68%
    67%
    68%
    70%
    71%
    UV - - - - - - - 1 1 1 1 2 2 3 2 3 1 1 1 1 - - - -
    Wind direction and speed (mph)
    16
    17
    17
    18
    18
    18
    18
    18
    18
    18
    19
    19
    19
    19
    19
    19
    19
    19
    19
    19
    18
    17
    16
    15
    Height of waves offshore (m)
    2.6
    2.6
    2.6
    2.5
    2.5
    2.4
    2.4
    2.3
    2.2
    2.1
    2.0
    1.8
    1.7
    1.6
    1.5
    1.4
    1.3
    1.4
    1.4
    1.5
    1.6
    1.7
    1.8
    1.8
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    8
    8
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    Direction of waves offshore
    Monday (22 September 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    50%
    50%
    40%
    30%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    11°
    11°
    10°
    10°
    12°
    14°
    14°
    12°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    Wind direction and speed (mph)
    NNE
    14
    NNE
    13
    NNE
    12
    NE
    11
    NE
    13
    NNE
    14
    NNE
    13
    NNE
    11
    NE
    8
    Wind gust (mph)
    30
    24
    20
    22
    23
    24
    23
    16
    11
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    74%
    77%
    80%
    65%
    57%
    57%
    69%
    78%
    UV - - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    14
    13
    12
    11
    13
    14
    13
    11
    8
    Height of waves offshore (m)
    1.8
    1.7
    1.6
    1.2
    1.0
    1.0
    1.1
    1.0
    0.9
    Period of waves offshore (s)
    8
    8
    8
    7
    6
    6
    5
    5
    5
    Direction of waves offshore
    Tuesday (23 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    Temperature (°C)
    13°
    15°
    14°
    12°
    10°
    Feels like temperature (°C)
    11°
    13°
    12°
    10°
    Wind direction and speed (mph)
    NNE
    7
    NNE
    6
    NNE
    6
    NNE
    9
    NNE
    10
    N
    10
    N
    8
    NNE
    6
    Wind gust (mph)
    8
    8
    9
    15
    15
    15
    9
    7
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    84%
    87%
    68%
    57%
    59%
    76%
    84%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    0.7
    Period of waves offshore (s)
    5
    Direction of waves offshore

    Tide times

    Wednesday 17 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 17 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 17 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 17 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 18 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 18 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 18 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 18 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 19 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 19 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 19 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 19 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 20 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 20 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 20 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 20 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 21 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 21 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 21 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 21 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 22 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 22 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 22 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 22 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 23 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 23 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 23 September

    Tide times and heights are from Porthgain tidal station which is 1.3 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 23 September

    Tide times and heights are from Porthgain tidal station which is 1.3 miles away. So times may be different at this beach. What does this mean?

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

    Blue Lagoon - Abereiddy Bay (Beach) weather map

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

    Wales weather forecast

    Headline:

    Cloudy with outbreaks of rain. Breezy.

    This Evening and Tonight:

    Rain persisting throughout this evening and overnight, this turning heavy at times especially in the south over the hills and mountains. Windy for all, particularly along the coasts, and feeling humid. Minimum temperature 13 °C.

    Thursday:

    A cloudy, damp and mild start to Thursday. Cloud breaking in the east with some brighter spells, but drizzle persisting over the hills in the west. Staying windy and humid. Maximum temperature 20 °C.

    Outlook for Friday to Sunday:

    Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder through Sunday. Breezy.

    Updated:

    UK long range weather forecast

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