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Aberffraw Bay (Traeth Mawr) (Beach) (Isle of Anglesey) 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

Light rain changing to overcast by lunchtime.
Beach safety today
Very large, powerful waves and strong wind
  • • very high likelihood of injury in or near the sea

Tide: Next high tide (4.2m) at

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

    7 day forecast for Aberffraw Bay (Traeth Mawr) (Beach)

    Today (18 September 2025)
    Time
    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 Overcast Overcast Overcast Overcast Overcast Overcast Light rain Overcast Overcast Overcast Light rain
    Chance of precipitation
    80%
    70%
    60%
    60%
    60%
    50%
    20%
    20%
    30%
    40%
    50%
    50%
    40%
    40%
    40%
    50%
    Temperature
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    12°
    13°
    13°
    14°
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    Wind direction and speed
    SW
    11
    SSW
    12
    SSW
    13
    SSW
    15
    SSW
    18
    SSW
    20
    SSW
    22
    SSW
    23
    SSW
    23
    SSW
    24
    SSW
    24
    SSW
    24
    SSW
    24
    SSW
    24
    SSW
    24
    SSW
    24
    Wind gust (mph)
    22
    21
    21
    26
    35
    37
    38
    39
    40
    41
    41
    41
    41
    40
    41
    41
    Visibility
    G
    M
    M
    M
    M
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    93%
    95%
    97%
    97%
    97%
    94%
    92%
    92%
    92%
    92%
    93%
    95%
    94%
    94%
    93%
    UV 1 1 1 2 2 2 2 1 1 1 1 1 - - - -
    Wind direction and speed
    11
    11
    13
    15
    19
    21
    22
    23
    24
    24
    24
    24
    24
    24
    24
    24
    Height of waves offshore (m)
    1.3
    1.2
    1.1
    1.0
    0.9
    0.9
    1.1
    1.4
    1.6
    1.8
    1.9
    2.0
    2.0
    2.0
    2.0
    2.0
    Period of waves offshore (s)
    6
    6
    6
    8
    8
    8
    4
    5
    6
    7
    7
    7
    7
    7
    7
    7
    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 Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Heavy rain Light rain Light rain
    Chance of precipitation
    70%
    80%
    80%
    80%
    80%
    80%
    80%
    70%
    60%
    60%
    50%
    70%
    70%
    80%
    80%
    90%
    80%
    70%
    70%
    80%
    80%
    80%
    80%
    60%
    Temperature (°C)
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    14°
    14°
    14°
    Feels like temperature (°C)
    12°
    12°
    12°
    13°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    Wind direction and speed (mph)
    SSW
    24
    SSW
    24
    SSW
    24
    SSW
    23
    SSW
    23
    SSW
    22
    SSW
    21
    SSW
    19
    SSW
    17
    SSW
    16
    SW
    15
    SSW
    15
    SSW
    15
    SSW
    14
    SSW
    14
    SSW
    14
    SW
    13
    SW
    12
    SW
    12
    SW
    11
    SW
    10
    SW
    9
    SSW
    8
    SSW
    8
    Wind gust (mph)
    41
    41
    40
    38
    37
    35
    32
    30
    26
    23
    21
    21
    20
    20
    20
    20
    20
    17
    15
    14
    14
    12
    12
    11
    Visibility (description)
    G
    G
    G
    M
    M
    M
    M
    M
    G
    G
    VG
    VG
    G
    G
    M
    M
    M
    M
    M
    VG
    M
    M
    G
    VG
    Humidity
    94%
    94%
    94%
    95%
    95%
    95%
    95%
    95%
    95%
    94%
    92%
    92%
    91%
    91%
    92%
    94%
    94%
    95%
    95%
    95%
    95%
    95%
    96%
    96%
    UV - - - - - - 1 1 1 1 1 1 2 1 2 1 1 1 1 1 - - - -
    Wind direction and speed (mph)
    24
    24
    23
    23
    22
    22
    20
    19
    17
    15
    14
    14
    14
    13
    13
    13
    12
    11
    11
    10
    9
    8
    8
    7
    Height of waves offshore (m)
    2.0
    1.9
    1.9
    1.9
    1.8
    1.8
    1.8
    1.8
    1.7
    1.6
    1.5
    1.5
    1.4
    1.3
    1.3
    1.2
    1.2
    1.2
    1.1
    1.0
    1.0
    0.9
    0.9
    0.8
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    8
    8
    8
    8
    8
    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 Heavy rain Heavy rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    60%
    60%
    60%
    70%
    70%
    70%
    80%
    70%
    70%
    80%
    70%
    70%
    70%
    70%
    70%
    80%
    80%
    80%
    80%
    80%
    80%
    80%
    80%
    80%
    Temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    10°
    10°
    10°
    9°
    9°
    8°
    8°
    Wind direction and speed (mph)
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    SSW
    7
    S
    8
    SE
    8
    NE
    8
    NE
    8
    NE
    9
    NE
    10
    NE
    11
    NE
    12
    NNE
    12
    NNE
    12
    NNW
    13
    WNW
    14
    WNW
    16
    W
    16
    WNW
    16
    NW
    16
    NNW
    17
    NNW
    17
    NW
    17
    Wind gust (mph)
    11
    10
    10
    11
    11
    11
    12
    13
    13
    15
    15
    15
    15
    19
    21
    23
    25
    24
    28
    28
    28
    26
    28
    26
    Visibility (description)
    VG
    VG
    VG
    G
    G
    VG
    G
    G
    G
    G
    M
    M
    G
    VG
    G
    G
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    Humidity
    95%
    95%
    96%
    96%
    96%
    96%
    95%
    96%
    95%
    95%
    94%
    92%
    90%
    90%
    91%
    90%
    85%
    86%
    86%
    87%
    87%
    87%
    88%
    86%
    UV - - - - - - - 1 1 1 1 1 1 2 1 1 1 1 1 1 - - - -
    Wind direction and speed (mph)
    7
    6
    7
    7
    7
    7
    8
    8
    9
    9
    10
    11
    11
    12
    12
    13
    14
    14
    15
    15
    16
    16
    17
    17
    Height of waves offshore (m)
    0.8
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.7
    1.0
    1.3
    1.8
    2.3
    2.7
    2.5
    Period of waves offshore (s)
    8
    8
    8
    9
    9
    9
    9
    9
    9
    9
    9
    8
    8
    8
    8
    7
    6
    6
    6
    6
    7
    7
    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 Heavy rain Heavy shower night Heavy 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 Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    70%
    60%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    70%
    80%
    70%
    70%
    70%
    70%
    60%
    60%
    Temperature (°C)
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    9°
    10°
    10°
    11°
    12°
    12°
    12°
    13°
    12°
    12°
    12°
    11°
    11°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    8°
    8°
    8°
    8°
    7°
    7°
    7°
    6°
    7°
    8°
    8°
    9°
    9°
    9°
    10°
    9°
    9°
    9°
    9°
    8°
    8°
    8°
    8°
    8°
    Wind direction and speed (mph)
    NNW
    16
    NW
    16
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    14
    N
    14
    N
    14
    NNW
    14
    N
    15
    N
    16
    NNW
    16
    NNW
    16
    N
    16
    N
    16
    N
    15
    N
    14
    N
    13
    N
    12
    NNE
    11
    N
    11
    N
    10
    NNE
    10
    Wind gust (mph)
    30
    32
    31
    31
    31
    31
    31
    31
    35
    34
    34
    34
    33
    32
    32
    30
    30
    28
    28
    27
    24
    22
    21
    21
    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
    85%
    86%
    84%
    87%
    85%
    83%
    82%
    82%
    80%
    77%
    75%
    70%
    73%
    71%
    63%
    65%
    67%
    70%
    72%
    80%
    83%
    83%
    82%
    80%
    UV - - - - - - - 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    16
    16
    15
    15
    14
    14
    14
    14
    15
    15
    15
    16
    16
    16
    16
    16
    15
    14
    13
    12
    11
    11
    10
    9
    Height of waves offshore (m)
    2.2
    2.0
    1.8
    1.6
    1.4
    1.3
    1.2
    1.1
    1.0
    0.9
    0.9
    0.9
    0.8
    0.8
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    8
    9
    8
    7
    7
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    5
    5
    5
    5
    5
    5
    6
    6
    Direction of waves offshore
    Monday (22 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy 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 Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    50%
    40%
    40%
    30%
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    Temperature (°C)
    10°
    10°
    10°
    10°
    9°
    9°
    9°
    9°
    9°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    11°
    9°
    9°
    9°
    9°
    Feels like temperature (°C)
    8°
    8°
    8°
    7°
    7°
    7°
    7°
    6°
    7°
    9°
    9°
    10°
    10°
    11°
    11°
    11°
    11°
    10°
    10°
    9°
    8°
    7°
    7°
    7°
    Wind direction and speed (mph)
    NNE
    9
    NNE
    9
    N
    9
    NNE
    9
    NNE
    8
    N
    8
    NNE
    8
    NNE
    7
    NNE
    8
    NNE
    9
    NNE
    11
    NNE
    12
    N
    12
    NNE
    12
    NNE
    12
    NNE
    12
    N
    12
    N
    11
    N
    10
    N
    8
    N
    7
    NNE
    7
    NNE
    6
    N
    6
    Wind gust (mph)
    20
    20
    21
    21
    20
    18
    18
    18
    21
    25
    25
    25
    24
    23
    23
    22
    21
    19
    18
    16
    16
    14
    12
    12
    Visibility (description)
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    78%
    77%
    78%
    76%
    75%
    76%
    76%
    75%
    70%
    62%
    57%
    55%
    53%
    54%
    54%
    55%
    56%
    62%
    73%
    79%
    82%
    84%
    84%
    UV - - - - - - - 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
    Wind direction and speed (mph)
    9
    9
    9
    8
    8
    8
    8
    8
    9
    10
    11
    12
    12
    13
    12
    12
    12
    11
    10
    8
    8
    7
    6
    6
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    6
    6
    6
    7
    7
    7
    7
    8
    7
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    7
    Direction of waves offshore
    Tuesday (23 September 2025)
    Time
    00:00
    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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    9°
    8°
    8°
    7°
    12°
    14°
    14°
    11°
    9°
    Feels like temperature (°C)
    7°
    7°
    7°
    6°
    11°
    12°
    12°
    10°
    8°
    Wind direction and speed (mph)
    NNE
    5
    NNE
    5
    NNE
    5
    NNE
    6
    NNE
    8
    N
    10
    N
    10
    N
    8
    N
    6
    Wind gust (mph)
    10
    7
    6
    7
    14
    16
    15
    9
    6
    Visibility (description)
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    86%
    88%
    89%
    92%
    69%
    59%
    60%
    80%
    90%
    UV - - - 1 2 3 2 1 -
    Wind direction and speed (mph)
    5
    5
    5
    6
    8
    10
    10
    8
    6
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.1
    Period of waves offshore (s)
    9
    10
    10
    10
    10
    10
    10
    12
    12
    Direction of waves offshore
    Wednesday (24 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
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    9°
    8°
    8°
    13°
    15°
    15°
    12°
    10°
    Feels like temperature (°C)
    7°
    7°
    6°
    11°
    13°
    13°
    10°
    8°
    Wind direction and speed (mph)
    ENE
    5
    E
    5
    E
    5
    ENE
    8
    NNE
    9
    NNW
    10
    N
    8
    ESE
    6
    Wind gust (mph)
    6
    6
    7
    12
    14
    12
    9
    6
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    89%
    91%
    93%
    75%
    64%
    65%
    83%
    92%
    UV - - 1 2 3 1 1 -
    Wind direction and speed (mph)
    5
    		 – – – – – – –
    Height of waves offshore (m)
    0.1
    		 – – – – – – –
    Period of waves offshore (s)
    12
    		 – – – – – – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    –

    Tide times

    Thursday 18 September

    Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 Porth Trecastell tidal station which is 2.0 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 24 September

    Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 24 September

    Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 24 September

    Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 24 September

    Tide times and heights are from Porth Trecastell tidal station which is 2.0 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 explained
    News

    Wind and rain marking a change in the UK weather

    Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.

    Read more

    UK video forecast

    Aberffraw Bay (Traeth Mawr) (Beach) weather map

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    Forecast for 08:00, Thu
    Updated 05:00 (UTC+1) on Thu 18 Sep 2025
    WARNING
    Flood alerts icon
    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Natural Resources Wales

    Updated:

    Wales weather forecast

    Headline:

    Often cloudy with patchy rain at times.

    Today:

    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.

    Tonight:

    Remaining cloudy in the west overnight with drizzle persisting over hills. Drier in the east with a few clear spells. Windy in the northwest, but winds easing elsewhere by dawn. Minimum temperature 12 °C.

    Friday:

    Cloudy in the west with rain and drizzle, turning heavy at times over hills and mountains. Some brighter and drier intervals in the east. Winds continue to ease. Feeling humid. Maximum temperature 20 °C.

    Outlook for Saturday to Monday:

    Remaining changeable with showers or longer spells of rain on Saturday. Turning colder through Sunday as showery rain clears southeast, leaving sunny spells and showers on Monday.

    Updated:

    UK long range weather forecast

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