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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

Sunny intervals changing to cloudy by lunchtime.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next high tide (3.9m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

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

    Today (4 July 2025)
    Time
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    70%
    80%
    90%
    90%
    90%
    80%
    70%
    50%
    40%
    Temperature
    13°
    13°
    14°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Wind direction and speed
    SW
    10
    SW
    11
    SW
    14
    SW
    16
    SSW
    17
    SW
    19
    SW
    20
    SW
    21
    SSW
    23
    SSW
    24
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    25
    SSW
    24
    SW
    24
    SW
    24
    SW
    22
    Wind gust (mph)
    20
    25
    27
    30
    31
    34
    35
    36
    38
    41
    43
    42
    42
    42
    41
    40
    39
    38
    36
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    M
    M
    M
    M
    M
    VG
    VG
    Humidity
    87%
    85%
    84%
    77%
    76%
    76%
    81%
    81%
    82%
    82%
    84%
    85%
    90%
    92%
    92%
    92%
    92%
    93%
    93%
    UV 1 1 1 2 3 4 5 5 5 3 3 2 1 1 1 1 1 - -
    Wind direction and speed
    9
    11
    13
    16
    17
    18
    20
    21
    23
    24
    25
    25
    25
    25
    25
    25
    25
    24
    23
    Height of waves offshore (m)
    0.6
    0.6
    0.7
    0.8
    0.8
    0.9
    1.0
    1.1
    1.2
    1.3
    1.4
    1.6
    1.6
    1.7
    1.8
    1.8
    1.8
    1.8
    1.8
    Period of waves offshore (s)
    5
    5
    4
    4
    4
    4
    5
    5
    5
    5
    6
    6
    6
    6
    6
    6
    6
    7
    7
    Direction of waves offshore
    Saturday (5 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Overcast Cloudy
    Chance of precipitation
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    SW
    22
    SW
    21
    SW
    20
    SW
    19
    SW
    18
    SW
    17
    SW
    16
    SW
    14
    SW
    13
    SW
    13
    SW
    14
    SW
    14
    SW
    14
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    15
    SW
    14
    SW
    13
    SW
    12
    WSW
    11
    Wind gust (mph)
    35
    34
    32
    32
    30
    28
    26
    24
    23
    23
    23
    23
    24
    23
    23
    23
    24
    23
    24
    23
    23
    21
    22
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    95%
    96%
    96%
    96%
    97%
    96%
    95%
    94%
    93%
    92%
    90%
    86%
    85%
    85%
    84%
    84%
    84%
    85%
    86%
    87%
    90%
    91%
    89%
    UV - - - - 1 1 1 1 1 2 3 4 4 5 6 5 4 2 2 1 1 1 - -
    Wind direction and speed (mph)
    22
    21
    20
    19
    18
    17
    16
    15
    14
    14
    14
    14
    14
    15
    15
    15
    15
    15
    15
    15
    14
    13
    12
    11
    Height of waves offshore (m)
    1.9
    1.8
    1.8
    1.7
    1.7
    1.6
    1.5
    1.4
    1.3
    1.2
    1.2
    1.2
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.0
    1.0
    0.9
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    6
    5
    5
    5
    5
    5
    5
    5
    6
    Direction of waves offshore
    Sunday (6 July 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Light rain Overcast Overcast Overcast Overcast Cloudy Cloudy
    Chance of precipitation
    10%
    40%
    60%
    40%
    40%
    30%
    40%
    40%
    30%
    Temperature (°C)
    15°
    15°
    14°
    14°
    14°
    16°
    16°
    16°
    14°
    Feels like temperature (°C)
    14°
    13°
    12°
    11°
    12°
    13°
    14°
    13°
    12°
    Wind direction and speed (mph)
    WSW
    10
    W
    11
    W
    13
    W
    13
    W
    15
    W
    15
    WNW
    14
    WNW
    14
    NW
    13
    Wind gust (mph)
    20
    22
    25
    26
    27
    24
    22
    23
    26
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    88%
    88%
    87%
    88%
    84%
    79%
    77%
    80%
    83%
    UV - - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    10
    11
    13
    13
    15
    15
    14
    14
    13
    Height of waves offshore (m)
    0.9
    0.8
    0.8
    0.9
    0.9
    0.7
    0.8
    0.8
    0.8
    Period of waves offshore (s)
    6
    6
    6
    4
    5
    4
    5
    4
    4
    Direction of waves offshore
    Monday (7 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
    30%
    20%
    30%
    20%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    14°
    16°
    17°
    16°
    12°
    Feels like temperature (°C)
    11°
    10°
    10°
    11°
    13°
    14°
    14°
    11°
    Wind direction and speed (mph)
    NW
    15
    NNW
    15
    NNW
    15
    NNW
    17
    NW
    16
    NW
    14
    NNW
    12
    NNW
    6
    Wind gust (mph)
    32
    33
    34
    33
    30
    24
    20
    14
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    83%
    83%
    80%
    69%
    63%
    57%
    60%
    84%
    UV - - 1 5 7 5 1 -
    Wind direction and speed (mph)
    15
    15
    15
    17
    16
    14
    12
    6
    Height of waves offshore (m)
    1.0
    1.2
    1.2
    1.2
    1.1
    0.9
    0.6
    0.5
    Period of waves offshore (s)
    5
    5
    6
    6
    5
    5
    4
    4
    Direction of waves offshore
    Tuesday (8 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 intervals Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    10°
    13°
    15°
    16°
    16°
    16°
    14°
    Feels like temperature (°C)
    10°
    12°
    13°
    14°
    15°
    15°
    13°
    Wind direction and speed (mph)
    NNW
    5
    NNW
    5
    NW
    6
    WNW
    9
    W
    10
    WSW
    10
    SW
    9
    SSW
    7
    Wind gust (mph)
    9
    11
    17
    17
    18
    17
    11
    10
    Visibility (description)
    E
    VG
    VG
    E
    VG
    VG
    VG
    VG
    Humidity
    91%
    90%
    82%
    69%
    67%
    69%
    74%
    90%
    UV - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    5
    5
    6
    9
    10
    10
    9
    7
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.5
    0.3
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    4
    4
    4
    4
    4
    4
    5
    5
    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 Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    Temperature (°C)
    13°
    13°
    15°
    17°
    19°
    19°
    18°
    16°
    Feels like temperature (°C)
    12°
    12°
    14°
    16°
    17°
    17°
    16°
    15°
    Wind direction and speed (mph)
    SSW
    6
    SSW
    5
    SSW
    6
    SSW
    9
    SW
    12
    SW
    12
    SW
    11
    SSW
    9
    Wind gust (mph)
    8
    8
    14
    21
    22
    20
    17
    14
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    VG
    G
    Humidity
    95%
    97%
    95%
    87%
    79%
    78%
    83%
    92%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    6
    5
    6
    9
    12
    12
    11
    9
    Height of waves offshore (m)
    0.4
    Period of waves offshore (s)
    3
    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 Cloudy Overcast Cloudy Sunny intervals Sunny day Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    <5%
    10%
    10%
    Temperature (°C)
    15°
    15°
    15°
    18°
    19°
    20°
    19°
    16°
    Feels like temperature (°C)
    14°
    14°
    14°
    16°
    17°
    18°
    17°
    15°
    Wind direction and speed (mph)
    SSW
    8
    SSW
    7
    SSW
    7
    SW
    10
    SW
    12
    SW
    12
    SSW
    11
    SSW
    8
    Wind gust (mph)
    11
    12
    15
    18
    20
    20
    17
    10
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    G
    Humidity
    95%
    97%
    94%
    86%
    78%
    75%
    81%
    93%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    8
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Friday 4 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 4 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 4 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 4 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 5 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 5 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 5 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 5 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

    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.

    Aberffraw Bay (Traeth Mawr) (Beach) weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Increasingly cloudy and breezy with rain this weekend.

    Today:

    Some early sunshine, before turning increasingly cloudy through the day. Mostly dry, though spells of rain spreading into Anglesey later in the afternoon and becoming breezy in the northwest too. Maximum temperature 21 °C.

    Tonight:

    Rain spreading across the country, turning heavy and persistent over the hills for a time. Misty and murky around coasts and higher ground. Breezy and mild. Minimum temperature 13 °C.

    Saturday:

    Damp and grey for much of Saturday with outbreaks of rain and perhaps some heavier showers. Chance of some brighter breaks in the east. Breezy but feeling humid. Maximum temperature 20 °C.

    Outlook for Sunday to Tuesday:

    Turning fresher from Sunday. Bright and breezy to end the weekend with scattered showers, these becoming less frequent into next week with more sunny spells emerging. Winds easing by Tuesday.

    Updated:

    UK long range weather forecast

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