Trearddur Bay (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

Heavy rain.
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 low tide (1.2m) at

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

    7 day forecast for Trearddur Bay (Beach)

    Today (8 January 2026)
    Time
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    80%
    90%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    80%
    80%
    Temperature
    Feels like temperature (°C)
    -1°
    -2°
    -3°
    -3°
    -3°
    -2°
    Wind direction and speed
    ENE
    10
    ENE
    12
    ENE
    15
    NE
    18
    NE
    20
    NE
    21
    NNE
    22
    NNE
    22
    NNE
    22
    Wind gust (mph)
    27
    33
    37
    38
    40
    41
    38
    36
    36
    Visibility
    M
    P
    P
    P
    P
    P
    VP
    P
    P
    Humidity
    92%
    93%
    93%
    95%
    97%
    98%
    99%
    97%
    94%
    UV 1 1 - - - - - - -
    Wind direction and speed
    10
    12
    15
    18
    20
    21
    22
    22
    22
    Height of waves offshore (m)
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    7
    7
    7
    7
    8
    8
    8
    8
    8
    Direction of waves offshore
    Friday (9 January 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 Heavy rain Light rain Light rain Heavy rain Heavy rain Light rain Heavy rain Heavy shower night Heavy 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 night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    80%
    70%
    80%
    80%
    80%
    80%
    80%
    80%
    90%
    80%
    80%
    80%
    70%
    60%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    60%
    70%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    -1°
    Wind direction and speed (mph)
    N
    21
    N
    21
    N
    22
    N
    22
    N
    21
    NNW
    21
    NNW
    21
    NNW
    21
    NNW
    20
    NNW
    18
    NNW
    18
    NNW
    18
    NNW
    17
    NNW
    17
    NNW
    17
    NNW
    17
    NNW
    16
    NNW
    15
    NNW
    14
    NNW
    14
    NNW
    14
    NNW
    13
    NNW
    12
    NNW
    12
    Wind gust (mph)
    33
    35
    35
    35
    36
    38
    37
    36
    35
    35
    33
    32
    32
    32
    32
    31
    30
    30
    30
    28
    28
    26
    26
    24
    Visibility (description)
    P
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    91%
    90%
    85%
    84%
    85%
    83%
    83%
    88%
    85%
    85%
    85%
    85%
    84%
    84%
    80%
    81%
    83%
    82%
    86%
    85%
    85%
    88%
    91%
    87%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    21
    21
    22
    22
    21
    21
    21
    21
    20
    18
    18
    18
    17
    17
    17
    17
    16
    15
    14
    14
    14
    13
    12
    12
    Height of waves offshore (m)
    0.5
    0.7
    0.9
    1.0
    1.0
    1.0
    0.9
    0.8
    0.8
    0.8
    0.8
    0.8
    0.9
    0.9
    0.9
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    Period of waves offshore (s)
    15
    14
    13
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Saturday (10 January 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 shower night Light shower night Light shower night Light shower night Light shower 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    70%
    70%
    60%
    60%
    50%
    50%
    40%
    40%
    40%
    30%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNW
    12
    NNW
    10
    N
    10
    NNW
    9
    N
    9
    N
    9
    NNE
    8
    N
    7
    N
    7
    NNE
    7
    NNE
    6
    N
    6
    N
    6
    WNW
    6
    WSW
    6
    S
    5
    SSE
    5
    SSE
    6
    SSE
    6
    SSE
    8
    SSE
    9
    SSE
    11
    SSE
    12
    SSE
    14
    Wind gust (mph)
    23
    21
    21
    19
    18
    17
    15
    14
    14
    13
    12
    12
    11
    12
    11
    10
    11
    11
    12
    13
    14
    16
    19
    21
    Visibility (description)
    VG
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    Humidity
    87%
    90%
    91%
    90%
    86%
    87%
    89%
    91%
    89%
    88%
    87%
    83%
    78%
    76%
    76%
    83%
    87%
    88%
    89%
    89%
    88%
    88%
    87%
    86%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    12
    10
    10
    9
    9
    9
    8
    7
    7
    7
    6
    6
    6
    6
    6
    5
    5
    6
    6
    8
    9
    11
    12
    14
    Height of waves offshore (m)
    0.9
    1.0
    1.0
    0.9
    0.9
    0.8
    0.8
    0.9
    1.0
    1.1
    1.1
    1.1
    1.0
    1.0
    1.0
    0.9
    0.9
    0.8
    0.7
    0.9
    0.9
    0.8
    0.9
    1.0
    Period of waves offshore (s)
    11
    11
    12
    12
    12
    12
    12
    12
    5
    5
    6
    6
    6
    11
    11
    8
    8
    8
    8
    5
    8
    8
    8
    4
    Direction of waves offshore
    Sunday (11 January 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 Partly cloudy night Partly cloudy night Cloudy Cloudy Overcast Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Light rain Light rain Light shower night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    20%
    30%
    40%
    50%
    50%
    60%
    70%
    60%
    70%
    70%
    70%
    70%
    80%
    80%
    80%
    70%
    60%
    50%
    30%
    20%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    15
    SSE
    17
    SSE
    18
    SSE
    20
    SSE
    21
    SSE
    23
    SSE
    24
    SSE
    26
    SSE
    28
    SSE
    29
    SSE
    30
    SSE
    32
    SSE
    32
    SSE
    32
    SSE
    33
    SSE
    33
    S
    32
    S
    31
    S
    30
    S
    29
    SSW
    28
    SSW
    26
    SSW
    25
    SSW
    24
    Wind gust (mph)
    24
    26
    30
    32
    32
    35
    37
    41
    43
    46
    47
    50
    50
    48
    50
    50
    48
    50
    45
    40
    36
    35
    34
    34
    Visibility (description)
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    VG
    E
    E
    E
    Humidity
    85%
    85%
    85%
    84%
    83%
    83%
    83%
    83%
    82%
    84%
    84%
    85%
    87%
    87%
    90%
    92%
    93%
    94%
    94%
    94%
    92%
    92%
    90%
    89%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    15
    17
    18
    20
    21
    23
    24
    26
    28
    29
    30
    32
    32
    32
    33
    33
    32
    31
    30
    29
    28
    26
    25
    24
    Height of waves offshore (m)
    1.1
    1.4
    1.6
    1.9
    2.1
    2.3
    2.4
    2.5
    2.5
    2.6
    2.5
    2.3
    2.2
    2.1
    2.1
    2.1
    2.3
    2.4
    2.6
    2.9
    3.2
    3.5
    3.8
    4.0
    Period of waves offshore (s)
    4
    5
    5
    6
    6
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    7
    7
    8
    8
    8
    9
    9
    9
    Direction of waves offshore
    Monday (12 January 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 Partly cloudy night Partly cloudy night 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    30%
    30%
    30%
    40%
    30%
    30%
    40%
    30%
    30%
    20%
    10%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    23
    SSW
    23
    SSW
    22
    SSW
    22
    SSW
    21
    SSW
    20
    SSW
    19
    SSW
    19
    SSW
    19
    SSW
    19
    SSW
    19
    SSW
    19
    SSW
    20
    SSW
    20
    SSW
    19
    SSW
    19
    SSW
    18
    SSW
    18
    SSW
    18
    S
    18
    S
    18
    S
    18
    S
    18
    S
    17
    Wind gust (mph)
    34
    34
    33
    35
    34
    33
    34
    34
    33
    33
    32
    33
    34
    33
    32
    32
    31
    30
    31
    29
    30
    29
    28
    29
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    87%
    87%
    87%
    86%
    86%
    87%
    87%
    88%
    88%
    87%
    88%
    89%
    88%
    87%
    87%
    87%
    89%
    91%
    91%
    90%
    92%
    92%
    92%
    92%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    23
    23
    22
    22
    21
    20
    19
    19
    19
    19
    19
    19
    20
    20
    19
    19
    18
    18
    18
    18
    18
    18
    18
    17
    Height of waves offshore (m)
    4.0
    3.9
    3.8
    3.6
    3.4
    3.2
    3.1
    3.1
    3.1
    3.0
    3.0
    2.9
    2.8
    2.7
    2.6
    2.6
    2.5
    2.4
    2.3
    2.2
    2.2
    2.2
    2.2
    2.2
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    7
    7
    7
    7
    Direction of waves offshore
    Tuesday (13 January 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    40%
    40%
    40%
    40%
    40%
    30%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    16
    SSE
    16
    S
    15
    S
    14
    SSW
    15
    S
    14
    SSW
    13
    SSW
    13
    Wind gust (mph)
    23
    25
    25
    23
    22
    20
    20
    18
    Visibility (description)
    VG
    VG
    VG
    G
    VG
    VG
    G
    G
    Humidity
    91%
    90%
    89%
    89%
    86%
    86%
    90%
    89%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    16
    16
    15
    14
    15
    14
    13
    13
    Height of waves offshore (m)
    2.1
    1.9
    2.0
    2.4
    2.0
    1.5
    1.3
    1.1
    Period of waves offshore (s)
    7
    11
    6
    8
    9
    10
    10
    10
    Direction of waves offshore
    Wednesday (14 January 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Light rain Light shower night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    40%
    50%
    50%
    50%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    12
    SW
    12
    SW
    12
    SSW
    14
    SSW
    17
    SSW
    17
    SSW
    16
    SSW
    15
    Wind gust (mph)
    18
    17
    16
    22
    24
    24
    23
    24
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    91%
    91%
    90%
    90%
    88%
    89%
    90%
    89%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    12
    Height of waves offshore (m)
    1.2
    Period of waves offshore (s)
    10
    Direction of waves offshore

    Tide times

    Thursday 8 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 8 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 8 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 8 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 9 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 9 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 9 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 9 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 10 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 10 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 10 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 10 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 11 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 11 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 11 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 11 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 12 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 12 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 12 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 12 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 13 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 13 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 13 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 13 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 14 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 14 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 14 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 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 14 January

    Tide times and heights are from Trearddur Bay tidal station which is 0.8 miles away. So times may be different at this beach. What does this mean?

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

    Trearddur Bay (Beach) weather map

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    Wales weather forecast

    Headline:

    Storm Goretti brings heavy rain, snow and strong winds.

    Today:

    Some early bright spells in the west, but soon turning unsettled with heavy rain, hill snow, and strong winds developing, with coastal gales. By evening, rain turning more to snow to lower levels. Maximum temperature 6 °C.

    Tonight:

    Unsettled with heavy rain and snow continuing this evening. Snow becoming more widespread through the night and reaching down to lower levels, accompanied by brisk winds. Minimum temperature 0 °C.

    Friday:

    Early rain, sleet and snow associated with Storm Goretti soon clearing eastwards, leaving largely cloudy skies and wintry showers behind. Cold with winds slowly easing. Maximum temperature 6 °C.

    Outlook for Saturday to Monday:

    A cold weekend with overnight frost. Mostly dry and bright on Saturday and to start on Sunday. Further rain, snow and strong winds arriving Sunday afternoon into Monday.

    Updated:

    UK long range weather forecast

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