Holyhead Bay (Isle of Anglesey) weather

Forecast days

Sunny.
Sunrise iconSunrise:
Sunset iconSunset:
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Next high tide: for
Porth Trwyn (Beach)

    8 day forecast for Holyhead Bay

    Today (17 May 2025)
    Time
    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 Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    11°
    11°
    10°
    10°
    11°
    12°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    13°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    10°
    10°
    Wind direction and speed
    NNE
    9
    NE
    10
    NE
    10
    ENE
    9
    ENE
    9
    ENE
    10
    ENE
    12
    NE
    13
    NE
    14
    NE
    15
    NNE
    16
    NNE
    16
    NNE
    16
    NNE
    16
    NNE
    15
    NNE
    14
    NNE
    13
    NNE
    12
    NNE
    10
    NNE
    8
    NNE
    6
    NE
    5
    Wind gust (mph)
    15
    16
    16
    16
    16
    16
    17
    17
    17
    18
    18
    19
    18
    18
    17
    16
    16
    16
    14
    13
    12
    11
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    80%
    82%
    84%
    84%
    85%
    85%
    82%
    82%
    81%
    79%
    78%
    78%
    78%
    79%
    82%
    83%
    82%
    84%
    85%
    85%
    85%
    85%
    UV - - - 1 1 1 2 3 4 5 6 6 6 5 3 2 1 1 1 1 - -
    Sunday (18 May 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 Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    10°
    10°
    Wind direction and speed (mph)
    ENE
    6
    NE
    6
    NE
    7
    NE
    8
    NE
    9
    NE
    10
    NE
    12
    NE
    13
    NE
    14
    NNE
    14
    NNE
    14
    NNE
    14
    NNE
    14
    NNE
    15
    NNE
    14
    N
    13
    N
    13
    N
    12
    N
    12
    N
    12
    N
    12
    NNE
    12
    NE
    13
    NE
    13
    Wind gust (mph)
    11
    10
    12
    13
    14
    17
    17
    18
    18
    17
    17
    17
    17
    17
    17
    16
    16
    17
    17
    15
    15
    15
    15
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    85%
    84%
    84%
    85%
    85%
    84%
    83%
    81%
    79%
    81%
    80%
    79%
    78%
    76%
    76%
    80%
    81%
    81%
    82%
    82%
    78%
    78%
    78%
    77%
    UV - - - - - 1 1 1 2 3 4 5 6 6 6 5 3 2 1 1 1 1 - -
    Monday (19 May 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    Temperature (°C)
    12°
    12°
    11°
    11°
    15°
    15°
    16°
    15°
    13°
    Feels like temperature (°C)
    10°
    10°
    13°
    13°
    13°
    13°
    11°
    Wind direction and speed (mph)
    ENE
    13
    E
    13
    E
    14
    E
    13
    ESE
    12
    NNE
    13
    NNE
    13
    NNE
    11
    NE
    10
    Wind gust (mph)
    17
    20
    21
    20
    18
    17
    16
    15
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    78%
    76%
    76%
    76%
    73%
    74%
    76%
    76%
    78%
    UV - - - 1 4 6 3 1 -
    Tuesday (20 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    10%
    Temperature (°C)
    12°
    11°
    12°
    15°
    15°
    15°
    15°
    12°
    Feels like temperature (°C)
    10°
    11°
    13°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    E
    9
    E
    6
    E
    6
    N
    8
    NNW
    10
    N
    10
    N
    8
    NNE
    5
    Wind gust (mph)
    16
    12
    10
    12
    11
    10
    10
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    75%
    76%
    78%
    78%
    81%
    82%
    81%
    UV - - 1 4 6 3 1 -
    Wednesday (21 May 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 intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    Temperature (°C)
    11°
    11°
    12°
    14°
    15°
    16°
    15°
    12°
    Feels like temperature (°C)
    10°
    10°
    12°
    13°
    14°
    13°
    10°
    Wind direction and speed (mph)
    W
    7
    WSW
    8
    WSW
    9
    W
    11
    W
    12
    WSW
    12
    W
    13
    W
    12
    Wind gust (mph)
    10
    10
    12
    14
    15
    15
    15
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    84%
    86%
    85%
    83%
    82%
    80%
    82%
    UV - - 1 4 6 3 1 -
    Thursday (22 May 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 intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    20%
    Temperature (°C)
    11°
    10°
    11°
    14°
    15°
    15°
    14°
    12°
    Feels like temperature (°C)
    12°
    13°
    13°
    12°
    Wind direction and speed (mph)
    SSE
    12
    WNW
    11
    NW
    11
    NW
    13
    NW
    13
    WNW
    13
    W
    13
    WSW
    10
    Wind gust (mph)
    13
    13
    16
    16
    18
    17
    14
    11
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    89%
    88%
    83%
    81%
    81%
    82%
    85%
    UV - - 1 4 6 3 1 -
    Friday (23 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    20%
    20%
    10%
    Temperature (°C)
    11°
    10°
    11°
    14°
    15°
    15°
    15°
    12°
    Feels like temperature (°C)
    12°
    13°
    13°
    12°
    10°
    Wind direction and speed (mph)
    W
    11
    W
    12
    W
    11
    WSW
    13
    WSW
    13
    WSW
    14
    SW
    13
    SSW
    10
    Wind gust (mph)
    10
    11
    14
    15
    16
    16
    14
    11
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    87%
    88%
    86%
    84%
    79%
    78%
    82%
    86%
    UV - - 1 4 5 3 1 -
    Saturday (24 May 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    Weather symbols Partly cloudy night Cloudy Cloudy Cloudy Sunny intervals Cloudy No weather symbol data
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    11°
    11°
    11°
    14°
    16°
    16°
    15°
    Feels like temperature (°C)
    12°
    14°
    14°
    13°
    Wind direction and speed (mph)
    SSW
    11
    SSW
    11
    SW
    11
    SSW
    12
    SSW
    13
    SSW
    13
    SSW
    13
    Wind gust (mph)
    10
    11
    14
    15
    18
    20
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    86%
    87%
    88%
    87%
    86%
    91%
    91%
    UV - - 1 3 5 3 1

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    Wales weather forecast

    Headline:

    Staying dry and often sunny. Warm days and cool nights.

    This Evening and Tonight:

    Staying sunny and warm into this evening, then clear skies at first overnight. Probably turning cloudier in the east later. Turning chilly where skies stay clear, with a frost possible in very prone inland and rural spots in the north. Minimum temperature 2 °C.

    Saturday:

    A cloudy and cool start for some but sunshine for western areas. Brightening up in the east with plenty of strong sunshine by the afternoon. Feeling warm with light winds. Maximum temperature 21 °C.

    Outlook for Sunday to Tuesday:

    Most places remaining dry through this period. Whilst some cloud is likely at times, there'll also be plenty of warm sunshine. Small chance of isolated showers on Monday and Tuesday.

    Updated:

    UK long range weather forecast

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