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

Overcast.
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 (3.8m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

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

    Today (6 July 2025)
    Time
    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 Heavy rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Partly cloudy night Cloudy
    Chance of precipitation
    80%
    90%
    90%
    80%
    40%
    30%
    30%
    30%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    30%
    10%
    10%
    10%
    Temperature
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    14°
    14°
    13°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    13°
    12°
    11°
    Wind direction and speed
    SW
    7
    WSW
    8
    W
    9
    WNW
    10
    NW
    11
    NW
    12
    NW
    13
    NW
    13
    NW
    13
    NW
    14
    NW
    14
    WNW
    13
    WNW
    13
    WNW
    12
    WNW
    11
    NW
    11
    NW
    11
    NNW
    11
    NNW
    12
    NNW
    13
    NNW
    14
    Wind gust (mph)
    16
    18
    20
    22
    24
    24
    25
    25
    25
    24
    23
    22
    21
    20
    19
    19
    21
    22
    24
    26
    31
    Visibility
    M
    M
    M
    M
    G
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    96%
    96%
    96%
    93%
    90%
    87%
    86%
    83%
    77%
    76%
    75%
    75%
    75%
    76%
    76%
    79%
    80%
    81%
    81%
    80%
    UV - - 1 1 1 1 3 4 4 5 6 7 5 4 3 2 1 1 1 - -
    Wind direction and speed
    7
    8
    9
    10
    11
    12
    13
    13
    13
    14
    14
    13
    13
    12
    11
    11
    11
    11
    12
    13
    14
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.7
    0.8
    0.8
    0.8
    0.9
    0.9
    0.9
    0.9
    0.8
    0.8
    0.7
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.6
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    6
    6
    6
    6
    5
    5
    5
    6
    7
    7
    7
    7
    7
    7
    7
    5
    Direction of waves offshore
    Monday (7 July 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 Cloudy 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 day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    20%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    12°
    13°
    14°
    14°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    17°
    17°
    16°
    16°
    15°
    14°
    13°
    Feels like temperature (°C)
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    13°
    14°
    14°
    15°
    16°
    15°
    15°
    14°
    14°
    13°
    12°
    12°
    Wind direction and speed (mph)
    NNW
    16
    NNW
    16
    NNW
    16
    NNW
    15
    NNW
    15
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    15
    NNW
    15
    NNW
    15
    NNW
    15
    NW
    15
    NW
    14
    NW
    13
    WNW
    12
    W
    10
    W
    10
    W
    10
    W
    11
    W
    10
    WNW
    9
    NW
    9
    NW
    9
    Wind gust (mph)
    33
    33
    33
    33
    33
    32
    32
    31
    29
    28
    28
    27
    24
    23
    20
    18
    16
    18
    17
    17
    17
    16
    18
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    80%
    83%
    84%
    84%
    85%
    85%
    84%
    80%
    76%
    71%
    66%
    65%
    64%
    64%
    60%
    57%
    59%
    63%
    67%
    73%
    74%
    77%
    81%
    79%
    UV - - - - - 1 1 1 2 3 5 6 7 7 7 6 5 3 2 1 1 1 - -
    Wind direction and speed (mph)
    16
    16
    16
    15
    15
    14
    14
    14
    15
    15
    15
    15
    15
    14
    13
    12
    10
    10
    10
    11
    10
    9
    9
    9
    Height of waves offshore (m)
    0.8
    1.0
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.0
    0.9
    0.8
    0.7
    0.7
    0.7
    0.6
    0.6
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    Period of waves offshore (s)
    4
    5
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    5
    Direction of waves offshore
    Tuesday (8 July 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 Sunny intervals Sunny intervals Sunny day Sunny day Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    13°
    13°
    12°
    13°
    15°
    16°
    16°
    16°
    14°
    Feels like temperature (°C)
    11°
    11°
    10°
    11°
    13°
    14°
    15°
    14°
    13°
    Wind direction and speed (mph)
    NNW
    10
    NW
    10
    NNW
    8
    NW
    8
    NW
    10
    WNW
    11
    WSW
    8
    SW
    9
    SW
    7
    Wind gust (mph)
    23
    23
    21
    21
    18
    17
    17
    17
    14
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    Humidity
    78%
    78%
    84%
    77%
    67%
    65%
    62%
    73%
    87%
    UV - - - 1 4 7 5 1 -
    Wind direction and speed (mph)
    10
    10
    8
    8
    10
    11
    8
    9
    7
    Height of waves offshore (m)
    0.8
    0.9
    0.8
    0.7
    0.6
    0.5
    0.3
    0.3
    0.4
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    4
    4
    4
    3
    Direction of waves offshore
    Wednesday (9 July 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 day Sunny day Partly cloudy night
    Chance of precipitation
    10%
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    14°
    15°
    16°
    18°
    19°
    18°
    15°
    Feels like temperature (°C)
    14°
    14°
    15°
    16°
    17°
    18°
    17°
    15°
    Wind direction and speed (mph)
    SSW
    6
    WSW
    5
    W
    5
    W
    7
    W
    8
    WSW
    7
    SW
    6
    SSW
    5
    Wind gust (mph)
    12
    12
    12
    13
    14
    13
    12
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    Humidity
    93%
    93%
    90%
    83%
    76%
    71%
    74%
    92%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    6
    5
    5
    7
    8
    7
    6
    5
    Height of waves offshore (m)
    0.3
    0.4
    0.5
    0.5
    0.3
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    3
    4
    4
    4
    4
    3
    4
    4
    Direction of waves offshore
    Thursday (10 July 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 day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    14°
    14°
    15°
    18°
    20°
    20°
    19°
    14°
    Feels like temperature (°C)
    14°
    13°
    15°
    17°
    19°
    19°
    19°
    14°
    Wind direction and speed (mph)
    S
    6
    S
    5
    SSW
    5
    WSW
    6
    W
    8
    W
    8
    WSW
    7
    SE
    4
    Wind gust (mph)
    10
    9
    10
    12
    13
    11
    8
    5
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    94%
    95%
    92%
    82%
    74%
    71%
    75%
    95%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    6
    5
    5
    6
    8
    8
    7
    4
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    4
    7
    14
    14
    14
    14
    14
    13
    Direction of waves offshore
    Friday (11 July 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 day Sunny day Sunny day Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    12°
    13°
    15°
    19°
    22°
    23°
    21°
    16°
    Feels like temperature (°C)
    12°
    12°
    14°
    18°
    20°
    21°
    20°
    16°
    Wind direction and speed (mph)
    S
    4
    S
    4
    SSE
    5
    S
    8
    SSW
    11
    SSW
    11
    SSW
    10
    S
    7
    Wind gust (mph)
    4
    4
    7
    15
    17
    15
    11
    8
    Visibility (description)
    M
    M
    M
    G
    VG
    VG
    VG
    G
    Humidity
    99%
    99%
    98%
    86%
    70%
    61%
    68%
    91%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    4
    4
    5
    8
    11
    11
    10
    7
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.1
    0.3
    Period of waves offshore (s)
    13
    13
    13
    13
    3
    Direction of waves offshore
    Saturday (12 July 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 Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    30%
    30%
    20%
    10%
    20%
    Temperature (°C)
    15°
    15°
    17°
    20°
    21°
    21°
    20°
    16°
    Feels like temperature (°C)
    15°
    15°
    16°
    19°
    20°
    20°
    19°
    16°
    Wind direction and speed (mph)
    SSE
    7
    SSE
    7
    S
    8
    SSW
    9
    SSW
    11
    SSW
    11
    SSW
    9
    S
    6
    Wind gust (mph)
    8
    8
    11
    15
    15
    14
    10
    7
    Visibility (description)
    G
    G
    G
    VG
    VG
    G
    VG
    G
    Humidity
    93%
    94%
    91%
    79%
    73%
    73%
    73%
    92%
    UV - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Sunday 6 July

    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 6 July

    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 6 July

    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 6 July

    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 7 July

    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 7 July

    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 7 July

    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 7 July

    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 8 July

    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 8 July

    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 8 July

    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 8 July

    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 9 July

    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 9 July

    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 9 July

    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 9 July

    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 10 July

    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 10 July

    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 10 July

    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 10 July

    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 11 July

    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 11 July

    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 11 July

    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 11 July

    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 12 July

    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 12 July

    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 12 July

    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 12 July

    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.

    Aberffraw Bay (Traeth Mawr) (Beach) weather map

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    Wales weather forecast

    Headline:

    Showery at first, but more settled and warmer next week.

    This Evening and Tonight:

    The evening will start mostly dry with bright or sunny spells. However, cloud will gradually increase from the northwest with patchy rain giving way to some heavy showers overnight, especially in the north. Remaining mild and humid, with hill fog. Minimum temperature 15 °C.

    Sunday:

    Sunday morning still looks rather cloudy, with showery outbreaks of rain and some hill fog at first. It should become drier towards lunchtime though, with a brighter afternoon expected. Maximum temperature 19 °C.

    Outlook for Monday to Wednesday:

    Monday looks mostly dry, bright and breezy. High pressure will then become more dominant. Remaining dry on Tuesday and Wednesday with lighter winds and increasingly warm spells of sunshine developing.

    Updated:

    UK long range weather forecast

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