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Porth Dafarch (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

Partly cloudy.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, the wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding not recommended for beginners/intermediate

Tide: Next low tide (1.8m) at

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

    7 day forecast for Porth Dafarch (Beach)

    Today (16 December 2025)
    Time
    22:00
    23:00
    Weather symbols Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    SSW
    15
    SSW
    17
    Wind gust (mph)
    27
    30
    Visibility
    E
    E
    Humidity
    70%
    72%
    UV - -
    Wind direction and speed
    15
    18
    Height of waves offshore (m)
    0.7
    0.8
    Period of waves offshore (s)
    14
    4
    Direction of waves offshore
    Wednesday (17 December 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 Cloudy Cloudy Overcast Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light shower night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    10%
    50%
    90%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    90%
    ≥95%
    ≥95%
    ≥95%
    90%
    90%
    ≥95%
    ≥95%
    90%
    60%
    30%
    10%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    20
    S
    23
    S
    26
    S
    28
    S
    30
    S
    33
    SSW
    35
    SSW
    37
    S
    39
    S
    40
    S
    40
    S
    40
    S
    40
    S
    39
    S
    38
    S
    36
    S
    35
    SSW
    33
    SSW
    27
    WSW
    20
    SW
    16
    SW
    16
    SW
    19
    SW
    22
    Wind gust (mph)
    34
    38
    42
    45
    47
    49
    53
    54
    55
    56
    55
    54
    53
    50
    47
    44
    43
    40
    28
    21
    23
    24
    28
    29
    Visibility (description)
    E
    E
    E
    E
    E
    E
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    E
    E
    E
    E
    Humidity
    75%
    78%
    78%
    76%
    76%
    76%
    79%
    85%
    87%
    87%
    89%
    90%
    92%
    92%
    93%
    93%
    93%
    93%
    94%
    90%
    87%
    86%
    85%
    84%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 - - - - - - - -
    Wind direction and speed (mph)
    20
    23
    26
    29
    31
    33
    35
    37
    38
    39
    40
    40
    40
    39
    38
    37
    35
    32
    26
    21
    18
    18
    20
    22
    Height of waves offshore (m)
    0.9
    1.2
    1.5
    1.8
    2.0
    2.2
    2.4
    2.4
    2.4
    2.5
    2.5
    2.6
    2.6
    2.6
    2.5
    2.6
    2.7
    2.7
    2.6
    2.4
    2.2
    2.0
    1.7
    1.6
    Period of waves offshore (s)
    4
    5
    6
    6
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    9
    9
    9
    9
    9
    9
    9
    10
    10
    10
    Direction of waves offshore
    Thursday (18 December 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 Clear night Clear night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower night Partly cloudy night Partly cloudy night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    40%
    50%
    60%
    60%
    70%
    60%
    60%
    60%
    70%
    80%
    60%
    50%
    30%
    20%
    10%
    10%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    23
    SW
    23
    SW
    22
    SW
    20
    SW
    18
    SSW
    17
    SSW
    17
    S
    18
    S
    20
    SSE
    21
    SSE
    21
    SSE
    23
    SSE
    24
    SSE
    24
    SSE
    24
    SSE
    23
    S
    23
    SSW
    25
    SW
    28
    WSW
    30
    WSW
    30
    WSW
    29
    WSW
    30
    WSW
    31
    Wind gust (mph)
    29
    28
    27
    24
    25
    23
    24
    25
    26
    29
    30
    32
    28
    28
    26
    25
    24
    32
    36
    36
    33
    34
    36
    38
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    G
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    84%
    81%
    78%
    78%
    77%
    78%
    78%
    80%
    85%
    86%
    88%
    89%
    89%
    88%
    88%
    88%
    86%
    88%
    84%
    81%
    77%
    73%
    70%
    72%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 - - - - - - - -
    Wind direction and speed (mph)
    22
    22
    22
    20
    19
    18
    18
    19
    20
    21
    22
    21
    21
    20
    20
    20
    20
    22
    25
    28
    30
    30
    30
    31
    Height of waves offshore (m)
    1.5
    1.5
    1.6
    1.6
    1.7
    1.8
    1.8
    1.8
    1.7
    1.5
    1.4
    1.3
    1.1
    1.1
    1.0
    1.0
    1.1
    1.4
    1.5
    1.8
    2.4
    2.6
    2.5
    2.5
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    9
    9
    19
    19
    18
    18
    18
    18
    18
    7
    8
    8
    8
    Direction of waves offshore
    Friday (19 December 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 Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Light shower night Light shower night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    20%
    30%
    40%
    40%
    50%
    60%
    Temperature (°C)
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    31
    SW
    31
    SW
    31
    SW
    31
    SW
    31
    SW
    30
    WSW
    29
    WSW
    29
    SW
    29
    SW
    28
    SW
    28
    SW
    28
    SW
    28
    SW
    28
    SW
    28
    SW
    28
    SW
    29
    SW
    29
    SW
    29
    SW
    30
    SSW
    30
    SSW
    30
    SSW
    30
    SSW
    32
    Wind gust (mph)
    40
    42
    42
    42
    43
    41
    40
    39
    39
    38
    37
    38
    36
    37
    36
    36
    35
    35
    36
    36
    35
    35
    37
    38
    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
    74%
    74%
    75%
    75%
    75%
    75%
    75%
    75%
    75%
    74%
    75%
    74%
    73%
    71%
    69%
    67%
    67%
    67%
    71%
    72%
    74%
    75%
    78%
    80%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    32
    32
    32
    32
    32
    31
    30
    30
    29
    29
    28
    28
    28
    28
    28
    29
    29
    29
    30
    31
    31
    31
    32
    33
    Height of waves offshore (m)
    2.6
    2.7
    2.8
    2.8
    2.8
    2.8
    2.8
    3.1
    3.0
    2.9
    2.7
    2.6
    2.5
    2.4
    2.3
    2.3
    2.2
    2.1
    2.1
    2.0
    2.0
    2.0
    2.0
    2.1
    Period of waves offshore (s)
    8
    8
    8
    9
    9
    9
    9
    9
    9
    8
    8
    8
    7
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    7
    Direction of waves offshore
    Saturday (20 December 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 shower night Light shower night Light shower night Light shower night Light shower night Light rain Light shower night Light shower night Light shower night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    50%
    60%
    50%
    60%
    60%
    60%
    60%
    50%
    50%
    50%
    40%
    40%
    50%
    40%
    50%
    50%
    50%
    50%
    40%
    40%
    30%
    30%
    30%
    Temperature (°C)
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    32
    S
    33
    S
    34
    S
    34
    S
    34
    S
    33
    S
    32
    S
    32
    S
    30
    S
    29
    SSW
    28
    SSW
    27
    SSW
    26
    SSW
    26
    SSW
    25
    SSW
    24
    SSW
    23
    SSW
    22
    SSW
    21
    SSW
    20
    SSW
    19
    SW
    18
    SW
    16
    SW
    16
    Wind gust (mph)
    37
    39
    41
    42
    41
    39
    39
    36
    37
    35
    35
    34
    32
    30
    28
    28
    27
    26
    26
    25
    23
    23
    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
    79%
    80%
    82%
    83%
    83%
    84%
    84%
    83%
    82%
    81%
    81%
    79%
    77%
    76%
    75%
    76%
    75%
    73%
    74%
    74%
    73%
    74%
    72%
    73%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    33
    34
    35
    35
    35
    34
    33
    32
    30
    29
    29
    27
    25
    24
    22
    21
    20
    19
    19
    18
    17
    16
    15
    15
    Height of waves offshore (m)
    2.2
    2.3
    2.3
    2.4
    2.4
    2.5
    2.6
    2.7
    2.7
    2.8
    2.9
    3.0
    3.1
    3.1
    3.1
    3.1
    3.2
    3.1
    2.7
    2.3
    2.0
    1.7
    1.6
    1.5
    Period of waves offshore (s)
    7
    7
    7
    7
    8
    8
    8
    8
    8
    8
    9
    9
    9
    9
    9
    9
    10
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Sunday (21 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    40%
    30%
    30%
    40%
    40%
    40%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    16
    SSW
    15
    S
    14
    SSE
    15
    SE
    16
    ESE
    15
    E
    14
    ENE
    14
    Wind gust (mph)
    18
    17
    16
    18
    18
    16
    17
    17
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    77%
    78%
    78%
    80%
    80%
    81%
    82%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    15
    15
    15
    16
    16
    16
    14
    14
    Height of waves offshore (m)
    1.4
    1.3
    1.2
    1.0
    0.9
    0.8
    0.7
    0.7
    Period of waves offshore (s)
    10
    10
    10
    9
    9
    11
    11
    8
    Direction of waves offshore
    Monday (22 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    20%
    20%
    20%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    E
    13
    E
    13
    E
    13
    ESE
    13
    ESE
    13
    ESE
    13
    ESE
    12
    E
    12
    Wind gust (mph)
    17
    16
    14
    15
    14
    14
    12
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    81%
    84%
    84%
    84%
    83%
    83%
    82%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    13
    Height of waves offshore (m)
    0.8
    Period of waves offshore (s)
    8
    Direction of waves offshore

    Tide times

    Tuesday 16 December

    Tide times and heights are from Trearddur Bay 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 16 December

    Tide times and heights are from Trearddur Bay 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 16 December

    Tide times and heights are from Trearddur Bay 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 16 December

    Tide times and heights are from Trearddur Bay 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 17 December

    Tide times and heights are from Trearddur Bay 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 17 December

    Tide times and heights are from Trearddur Bay 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 17 December

    Tide times and heights are from Trearddur Bay 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 17 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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 December

    Tide times and heights are from Trearddur Bay 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.

    Porth Dafarch (Beach) weather map

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    WARNING
    Flood warnings icon
    Flood warnings in force for Wales
    Flood warnings in force for Wales

    Wales weather forecast

    Headline:

    Turning increasingly wet and windy overnight

    This Evening and Tonight:

    Remaining largely settled this evening, with clear skies and light winds allowing pockets of frost and fog to form. Turning milder and increasingly cloudy overnight with winds picking up from the west by dawn. Minimum temperature 2 °C.

    Wednesday:

    A wet and windy day as a band of prolonged rain spreads eastwards, bringing heavy downpours. Coastal gales likely with travel disruption and localised flooding possible. Maximum temperature 10 °C.

    Outlook for Thursday to Saturday:

    Remaining unsettled on Thursday with further heavy and disruptive rain. Friday brings brighter and drier conditions, with occasional showers, before another rain band moves in on Saturday. Often breezy.

    Updated:

    UK long range weather forecast

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