A beta version of the Met Office app is available.

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

Sunny.
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 (1.0m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Porth Dafarch (Beach)

    Today (13 August 2025)
    Time
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols 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%
    Temperature
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    15°
    15°
    15°
    15°
    14°
    Wind direction and speed
    S
    17
    SSW
    17
    SSW
    16
    SSW
    16
    SSW
    16
    SSW
    15
    SSW
    14
    SSW
    14
    Wind gust (mph)
    24
    23
    23
    23
    23
    23
    21
    20
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    88%
    85%
    86%
    87%
    88%
    91%
    92%
    92%
    UV 4 2 1 1 1 - - -
    Wind direction and speed
    17
    17
    16
    17
    17
    16
    15
    14
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.7
    0.8
    0.9
    0.9
    0.9
    Period of waves offshore (s)
    4
    4
    4
    4
    5
    5
    5
    6
    Direction of waves offshore
    Thursday (14 August 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 Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    20%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    16°
    16°
    Wind direction and speed (mph)
    SSW
    13
    SSW
    13
    SSW
    12
    SSW
    12
    S
    12
    S
    11
    S
    11
    SSW
    10
    SSW
    10
    SSW
    9
    SSW
    9
    SW
    8
    SW
    8
    WSW
    7
    WSW
    7
    SW
    7
    SW
    7
    SW
    7
    SW
    7
    SSW
    7
    SSW
    7
    SSW
    6
    SSE
    5
    SSE
    5
    Wind gust (mph)
    19
    19
    17
    17
    16
    16
    14
    14
    13
    12
    12
    12
    11
    11
    10
    10
    10
    11
    11
    9
    9
    9
    8
    9
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    94%
    95%
    94%
    94%
    94%
    94%
    95%
    95%
    96%
    97%
    98%
    99%
    99%
    99%
    99%
    99%
    97%
    96%
    94%
    93%
    92%
    92%
    93%
    UV - - - - - 1 1 1 1 2 2 4 5 5 6 5 3 2 1 1 1 - - -
    Wind direction and speed (mph)
    14
    13
    13
    12
    12
    12
    11
    10
    10
    9
    8
    8
    7
    7
    7
    7
    7
    7
    7
    6
    6
    5
    5
    5
    Height of waves offshore (m)
    0.8
    0.7
    0.6
    0.5
    0.5
    0.4
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.4
    0.5
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    5
    5
    5
    5
    4
    4
    4
    4
    4
    9
    9
    9
    9
    8
    8
    8
    7
    7
    7
    7
    7
    7
    7
    7
    Direction of waves offshore
    Friday (15 August 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 Clear night Partly cloudy night Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    15°
    18°
    19°
    19°
    19°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    18°
    17°
    17°
    17°
    15°
    Wind direction and speed (mph)
    SSE
    6
    SSE
    6
    E
    4
    NNE
    4
    N
    7
    N
    14
    N
    14
    NNE
    11
    NE
    9
    Wind gust (mph)
    9
    9
    7
    10
    15
    18
    18
    15
    16
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    Humidity
    93%
    93%
    93%
    93%
    90%
    85%
    83%
    82%
    85%
    UV - - - 1 3 6 4 1 -
    Wind direction and speed (mph)
    5
    5
    4
    4
    8
    14
    15
    12
    9
    Height of waves offshore (m)
    0.5
    0.5
    0.5
    0.3
    0.3
    0.3
    0.3
    0.2
    0.3
    Period of waves offshore (s)
    7
    7
    7
    7
    6
    6
    6
    6
    7
    Direction of waves offshore
    Saturday (16 August 2025)
    Time
    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 Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    20°
    22°
    23°
    23°
    19°
    Feels like temperature (°C)
    15°
    15°
    15°
    21°
    22°
    23°
    21°
    18°
    Wind direction and speed (mph)
    NE
    9
    ENE
    8
    ENE
    7
    ENE
    6
    WNW
    7
    NNE
    8
    ENE
    12
    ENE
    11
    Wind gust (mph)
    17
    17
    18
    16
    18
    20
    19
    22
    Visibility (description)
    VG
    VG
    VG
    G
    G
    G
    VG
    VG
    Humidity
    86%
    86%
    85%
    83%
    78%
    74%
    66%
    73%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    9
    7
    8
    7
    7
    8
    12
    12
    Height of waves offshore (m)
    0.4
    0.3
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    4
    11
    11
    8
    12
    12
    15
    14
    Direction of waves offshore
    Sunday (17 August 2025)
    Time
    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 Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    17°
    16°
    15°
    19°
    20°
    21°
    21°
    19°
    Feels like temperature (°C)
    16°
    15°
    14°
    19°
    20°
    21°
    20°
    18°
    Wind direction and speed (mph)
    ENE
    9
    ENE
    7
    ENE
    7
    ESE
    5
    WNW
    6
    NNW
    7
    NE
    10
    ENE
    9
    Wind gust (mph)
    22
    18
    16
    12
    17
    15
    14
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    78%
    82%
    74%
    77%
    75%
    74%
    76%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    9
    7
    7
    5
    6
    8
    9
    9
    Height of waves offshore (m)
    0.3
    0.3
    0.2
    0.2
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    14
    14
    11
    11
    7
    7
    7
    7
    Direction of waves offshore
    Monday (18 August 2025)
    Time
    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 intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    30%
    20%
    20%
    Temperature (°C)
    18°
    16°
    16°
    20°
    22°
    22°
    21°
    17°
    Feels like temperature (°C)
    17°
    16°
    16°
    20°
    23°
    23°
    22°
    17°
    Wind direction and speed (mph)
    E
    8
    E
    7
    E
    6
    NE
    6
    ENE
    6
    N
    6
    NNE
    7
    NE
    7
    Wind gust (mph)
    11
    9
    8
    8
    8
    9
    10
    10
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    Humidity
    76%
    81%
    84%
    85%
    86%
    86%
    85%
    86%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    8
    6
    6
    6
    5
    6
    7
    7
    Height of waves offshore (m)
    0.2
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    6
    6
    6
    6
    Direction of waves offshore
    Tuesday (19 August 2025)
    Time
    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 intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    17°
    16°
    17°
    20°
    22°
    22°
    21°
    17°
    Feels like temperature (°C)
    17°
    16°
    16°
    20°
    22°
    23°
    21°
    17°
    Wind direction and speed (mph)
    NE
    7
    ENE
    6
    ESE
    6
    SSE
    7
    W
    8
    WNW
    8
    WNW
    8
    SSW
    6
    Wind gust (mph)
    10
    8
    7
    8
    10
    10
    8
    8
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    VG
    G
    Humidity
    87%
    89%
    90%
    91%
    90%
    88%
    87%
    89%
    UV - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    0.3
    Period of waves offshore (s)
    8
    Direction of waves offshore

    Tide times

    Wednesday 13 August

    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 13 August

    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 13 August

    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 13 August

    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 14 August

    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 14 August

    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 14 August

    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 14 August

    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 15 August

    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 15 August

    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 15 August

    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 15 August

    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 16 August

    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 16 August

    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 16 August

    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 16 August

    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 17 August

    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 17 August

    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 17 August

    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 17 August

    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 18 August

    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 18 August

    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 18 August

    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 18 August

    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 19 August

    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 19 August

    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 19 August

    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 19 August

    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

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    Cloud returning overnight with scattered showers.

    This Evening and Tonight:

    Dry throughout Wednesday evening with some late sunny spells. Cloud building overnight, perhaps resulting in misty conditions around hills in the west. This cloud also bringing a few light showers and spots of drizzle. A mild night. Minimum temperature 13 °C.

    Thursday:

    Grey start for most with scattered showers, mostly light. Turning brighter and drier through the afternoon as cloud breaks and lifts. Feeling warm where the sunshine emerges. Maximum temperature 24 °C.

    Outlook for Friday to Sunday:

    A largely settled and dry end to the week with plenty of sunny spells after early morning cloud clears each day. Warm in the sunshine, though also turning breezier.

    Updated:

    UK long range weather forecast

    More from the Met Office

    Take our short survey