Dyffryn (Llanenddwyn) (Beach) (Gwynedd) 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 showers.
Beach safety today
Large, powerful waves
  • • only experts should take part in water activities

Tide: Next high tide (5.1m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Dyffryn (Llanenddwyn) (Beach)

    Today (17 May 2026)
    Time
    20:00
    21:00
    22:00
    23:00
    Weather symbols Heavy shower day Light shower night Light rain Light rain
    Chance of precipitation
    80%
    70%
    60%
    80%
    Temperature
    11°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SW
    16
    SW
    16
    SW
    16
    SW
    16
    Wind gust (mph)
    22
    22
    22
    22
    Visibility
    G
    G
    G
    G
    Humidity
    77%
    78%
    80%
    78%
    UV 1 1 - -
    Wind direction and speed
    16
    16
    16
    16
    Height of waves offshore (m)
    1.1
    1.1
    1.1
    1.2
    Period of waves offshore (s)
    6
    6
    6
    7
    Direction of waves offshore
    Monday (18 May 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 Heavy rain Heavy rain Heavy rain Heavy shower night Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Overcast Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    80%
    60%
    40%
    30%
    20%
    20%
    10%
    10%
    10%
    20%
    20%
    30%
    40%
    50%
    70%
    80%
    80%
    90%
    90%
    ≥95%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    16
    SW
    16
    SSW
    15
    SW
    14
    WSW
    13
    WSW
    12
    WSW
    12
    W
    12
    WSW
    11
    WSW
    11
    SW
    10
    SW
    10
    SW
    10
    SSW
    9
    SSW
    8
    SSW
    8
    SSW
    8
    S
    9
    S
    11
    S
    14
    SSE
    16
    SSE
    17
    SSE
    18
    SSE
    20
    Wind gust (mph)
    22
    22
    21
    20
    19
    17
    17
    17
    17
    17
    18
    19
    20
    20
    19
    19
    18
    18
    20
    21
    22
    24
    25
    27
    Visibility (description)
    G
    M
    M
    M
    M
    G
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    Humidity
    83%
    86%
    85%
    88%
    85%
    83%
    79%
    76%
    75%
    73%
    73%
    72%
    70%
    68%
    68%
    69%
    70%
    77%
    82%
    84%
    85%
    85%
    86%
    85%
    UV - - - - - 1 1 1 2 2 4 5 6 6 6 3 3 1 1 1 1 1 - -
    Wind direction and speed (mph)
    16
    16
    15
    14
    13
    12
    12
    12
    11
    10
    10
    10
    10
    9
    8
    8
    8
    9
    11
    14
    16
    17
    18
    20
    Height of waves offshore (m)
    1.2
    1.1
    1.1
    1.0
    0.9
    0.9
    0.8
    0.8
    0.8
    0.8
    0.9
    0.8
    0.8
    0.8
    0.8
    0.7
    0.6
    0.5
    0.5
    0.5
    0.5
    0.6
    0.7
    0.7
    Period of waves offshore (s)
    7
    7
    7
    6
    7
    7
    7
    7
    7
    8
    8
    8
    8
    8
    8
    7
    7
    7
    7
    7
    7
    7
    8
    7
    Direction of waves offshore
    Tuesday (19 May 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 Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Heavy rain Light rain Light rain Light shower day Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Light rain Light rain Light rain
    Chance of precipitation
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    ≥95%
    90%
    80%
    60%
    70%
    80%
    90%
    90%
    80%
    70%
    40%
    30%
    20%
    30%
    30%
    30%
    50%
    60%
    70%
    60%
    Temperature (°C)
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    21
    SSE
    21
    SSE
    22
    SSE
    23
    SSE
    23
    S
    23
    S
    22
    SSW
    21
    SSW
    20
    S
    20
    S
    20
    SSW
    20
    SSW
    21
    SSW
    22
    SSW
    23
    SSW
    24
    SSW
    25
    SSW
    26
    SSW
    26
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    SSW
    27
    Wind gust (mph)
    29
    31
    32
    32
    32
    30
    29
    28
    27
    27
    28
    30
    31
    32
    33
    35
    36
    36
    37
    36
    37
    36
    37
    37
    Visibility (description)
    M
    M
    M
    P
    P
    P
    P
    P
    P
    M
    P
    P
    P
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    86%
    85%
    85%
    86%
    86%
    90%
    92%
    92%
    91%
    91%
    92%
    92%
    92%
    91%
    89%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    86%
    UV - - - - - 1 1 1 1 1 1 2 4 3 5 4 3 2 1 1 1 1 - -
    Wind direction and speed (mph)
    21
    21
    22
    23
    24
    23
    23
    21
    20
    20
    20
    21
    21
    22
    23
    24
    25
    26
    26
    27
    27
    27
    27
    27
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.8
    0.8
    0.9
    1.0
    1.0
    1.0
    1.0
    1.0
    1.0
    1.1
    1.2
    1.4
    1.4
    1.4
    1.5
    1.6
    1.7
    1.7
    1.8
    1.9
    1.9
    Period of waves offshore (s)
    7
    7
    6
    6
    6
    5
    5
    5
    6
    7
    7
    8
    8
    8
    7
    6
    6
    6
    6
    7
    7
    8
    8
    8
    Direction of waves offshore
    Wednesday (20 May 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 rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Cloudy Overcast Overcast Overcast Overcast
    Chance of precipitation
    70%
    60%
    60%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    10%
    10%
    10%
    10%
    20%
    10%
    20%
    20%
    30%
    40%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    SW
    27
    SW
    26
    SW
    26
    SW
    25
    SW
    24
    SW
    23
    SW
    23
    SW
    23
    SW
    23
    SW
    22
    SW
    22
    SW
    22
    SW
    22
    SW
    22
    SW
    22
    SW
    23
    SW
    23
    SW
    23
    SW
    22
    SSW
    21
    SSW
    20
    SSW
    19
    SSW
    18
    S
    18
    Wind gust (mph)
    36
    36
    35
    34
    33
    32
    32
    31
    31
    32
    32
    31
    32
    33
    34
    32
    33
    32
    31
    29
    27
    26
    25
    24
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    P
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    85%
    85%
    87%
    86%
    86%
    87%
    88%
    88%
    87%
    87%
    88%
    88%
    88%
    87%
    89%
    88%
    87%
    88%
    88%
    87%
    87%
    88%
    89%
    91%
    UV - - - - - 1 1 1 1 1 3 4 4 4 4 4 3 2 1 1 1 1 - -
    Wind direction and speed (mph)
    27
    27
    26
    25
    24
    23
    23
    23
    23
    23
    22
    22
    22
    22
    22
    22
    23
    23
    22
    21
    20
    19
    18
    18
    Height of waves offshore (m)
    1.9
    1.8
    2.1
    2.0
    2.0
    1.9
    1.8
    1.7
    1.7
    1.6
    1.6
    1.5
    1.4
    1.6
    1.6
    1.6
    1.7
    1.7
    1.7
    1.7
    1.6
    1.5
    1.4
    1.3
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    9
    9
    9
    9
    9
    9
    5
    6
    6
    6
    6
    6
    7
    7
    7
    7
    7
    Direction of waves offshore
    Thursday (21 May 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 Overcast Overcast Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Cloudy 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
    50%
    50%
    50%
    50%
    60%
    60%
    60%
    50%
    50%
    50%
    40%
    30%
    30%
    20%
    20%
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    13°
    14°
    15°
    15°
    16°
    16°
    15°
    14°
    13°
    13°
    Wind direction and speed (mph)
    S
    18
    S
    19
    S
    19
    S
    18
    S
    18
    S
    18
    S
    18
    S
    18
    S
    18
    S
    17
    S
    16
    S
    15
    S
    14
    S
    13
    S
    12
    S
    9
    S
    7
    S
    6
    SSW
    6
    SSE
    7
    SE
    7
    ESE
    8
    SE
    10
    SE
    11
    Wind gust (mph)
    24
    25
    24
    25
    25
    25
    24
    24
    24
    24
    23
    23
    23
    23
    22
    21
    18
    16
    16
    13
    13
    16
    17
    18
    Visibility (description)
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    M
    G
    M
    M
    G
    G
    Humidity
    91%
    92%
    92%
    92%
    93%
    93%
    94%
    95%
    94%
    93%
    92%
    92%
    91%
    90%
    90%
    89%
    89%
    88%
    86%
    83%
    83%
    82%
    78%
    77%
    UV - - - - - 1 1 1 1 1 2 3 3 4 3 3 3 2 1 1 1 1 - -
    Wind direction and speed (mph)
    18
    19
    19
    18
    18
    19
    19
    18
    18
    17
    16
    15
    15
    14
    12
    9
    7
    7
    6
    7
    7
    8
    10
    11
    Height of waves offshore (m)
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.2
    1.2
    1.1
    1.1
    1.1
    1.0
    1.0
    0.9
    0.9
    0.9
    0.8
    0.8
    0.8
    0.8
    0.8
    Period of waves offshore (s)
    7
    6
    6
    6
    6
    6
    7
    7
    7
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    9
    9
    9
    Direction of waves offshore
    Friday (22 May 2026)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    20%
    20%
    30%
    30%
    40%
    30%
    Temperature (°C)
    14°
    14°
    14°
    14°
    16°
    17°
    16°
    15°
    14°
    Feels like temperature (°C)
    12°
    12°
    12°
    12°
    14°
    15°
    15°
    13°
    11°
    Wind direction and speed (mph)
    SE
    11
    SE
    11
    SSE
    12
    S
    12
    SSW
    13
    SSW
    12
    SW
    12
    S
    13
    SSW
    14
    Wind gust (mph)
    18
    20
    19
    20
    21
    22
    22
    21
    23
    Visibility (description)
    G
    M
    M
    M
    P
    M
    M
    M
    M
    Humidity
    76%
    77%
    84%
    90%
    91%
    88%
    90%
    92%
    93%
    UV - - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    11
    11
    12
    12
    13
    12
    12
    13
    14
    Height of waves offshore (m)
    0.8
    0.8
    0.8
    0.9
    0.9
    0.8
    0.8
    0.7
    0.7
    Period of waves offshore (s)
    9
    9
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Saturday (23 May 2026)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    Temperature (°C)
    13°
    12°
    12°
    14°
    16°
    16°
    15°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    12°
    13°
    14°
    13°
    11°
    Wind direction and speed (mph)
    SSW
    15
    SSW
    15
    SW
    14
    SW
    14
    SW
    15
    SW
    16
    SW
    15
    SSW
    15
    Wind gust (mph)
    24
    23
    22
    25
    25
    25
    24
    23
    Visibility (description)
    M
    P
    P
    M
    M
    M
    M
    M
    Humidity
    93%
    94%
    92%
    89%
    86%
    86%
    88%
    91%
    UV - - 1 3 4 3 1 -
    Wind direction and speed (mph)
    15
    Height of waves offshore (m)
    0.7
    Period of waves offshore (s)
    10
    Direction of waves offshore

    Tide times

    Sunday 17 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 20 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 20 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 20 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 20 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 21 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 21 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 21 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 21 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 22 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 22 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 22 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 22 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 23 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 23 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 23 May

    Tide times and heights are from Barmouth tidal station which is 5.7 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 23 May

    Tide times and heights are from Barmouth tidal station which is 5.7 miles away. So times may be different at this beach. What does this mean?

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

    UK video forecast

    Dyffryn (Llanenddwyn) (Beach) weather map

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    Wales weather forecast

    Headline:

    Gradually turning warmer this week.

    This Evening and Tonight:

    Scattered showers continuing overnight with some clearer spells in between. Showers becoming more organised and heavier later during the early hours. Turning chilly in the countryside but mainly frost-free. Minimum temperature 5 °C.

    Monday:

    A day of sunny spells and scattered showers, with some heavier showers possible. Cloud building later with some wet and windy weather arriving by evening. Maximum temperature 15 °C.

    Outlook for Tuesday to Thursday:

    Rain clearing Tuesday to a mix of sunshine and blustery showers. Further showers possible on Wednesday, then turning drier, brighter and warmer on Thursday.

    Updated:

    UK long range weather forecast

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