Cemlyn (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

Light rain changing to sunny intervals by late morning.
Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    6 day forecast for Cemlyn (Beach)

    Tomorrow (24 June 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 Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    10%
    60%
    70%
    70%
    70%
    60%
    50%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    20%
    30%
    30%
    20%
    20%
    40%
    40%
    20%
    Temperature
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    17°
    18°
    18°
    19°
    19°
    19°
    18°
    18°
    18°
    17°
    17°
    16°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    Wind direction and speed
    SW
    15
    SW
    16
    SW
    17
    SW
    19
    SW
    19
    SW
    18
    SW
    17
    SW
    17
    SW
    17
    SW
    17
    SW
    19
    SW
    20
    SW
    20
    SW
    20
    SW
    20
    SW
    20
    SW
    19
    SW
    17
    SW
    16
    SW
    14
    SW
    13
    SW
    13
    SW
    12
    SW
    11
    Wind gust (mph)
    28
    31
    33
    33
    33
    32
    31
    30
    30
    30
    30
    29
    30
    31
    30
    29
    27
    25
    23
    21
    20
    19
    19
    18
    Visibility
    G
    G
    G
    G
    M
    M
    M
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    88%
    92%
    93%
    97%
    98%
    97%
    96%
    95%
    93%
    88%
    84%
    77%
    76%
    76%
    77%
    79%
    81%
    85%
    85%
    88%
    92%
    94%
    94%
    UV - - - - 1 1 1 1 1 3 5 6 7 7 7 6 4 3 2 1 1 1 - -
    Wind direction and speed
    15
    16
    17
    19
    19
    18
    17
    17
    17
    17
    19
    20
    20
    20
    20
    20
    19
    17
    16
    14
    13
    13
    12
    11
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    0.5
    0.6
    0.6
    0.6
    0.7
    0.7
    0.9
    1.0
    0.9
    0.8
    0.8
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    Period of waves offshore (s)
    6
    6
    5
    4
    4
    4
    4
    6
    6
    7
    7
    4
    5
    6
    5
    5
    4
    4
    4
    6
    7
    7
    7
    7
    Direction of waves offshore
    Wednesday (25 June 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Sunny intervals Sunny intervals Cloudy Overcast Overcast
    Chance of precipitation
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    40%
    Temperature (°C)
    15°
    15°
    14°
    15°
    17°
    19°
    19°
    17°
    16°
    Feels like temperature (°C)
    14°
    14°
    13°
    14°
    16°
    17°
    16°
    15°
    14°
    Wind direction and speed (mph)
    SW
    10
    WSW
    9
    WSW
    6
    WSW
    5
    WSW
    8
    SW
    10
    SSW
    13
    SSW
    14
    SSW
    13
    Wind gust (mph)
    17
    16
    13
    11
    13
    18
    19
    23
    25
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    Humidity
    92%
    91%
    89%
    84%
    72%
    64%
    65%
    82%
    94%
    UV - - 1 1 5 7 4 1 -
    Wind direction and speed (mph)
    10
    9
    6
    5
    8
    10
    13
    14
    13
    Height of waves offshore (m)
    0.6
    0.5
    0.4
    0.4
    0.5
    0.4
    0.3
    0.2
    0.3
    Period of waves offshore (s)
    7
    7
    4
    4
    6
    6
    3
    3
    5
    Direction of waves offshore
    Thursday (26 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light rain Light rain Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Light rain
    Chance of precipitation
    80%
    90%
    50%
    20%
    10%
    30%
    30%
    60%
    Temperature (°C)
    15°
    15°
    15°
    16°
    17°
    18°
    16°
    14°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    14°
    14°
    12°
    11°
    Wind direction and speed (mph)
    SSW
    15
    SSW
    15
    SW
    14
    WSW
    15
    WSW
    16
    SW
    18
    SW
    19
    SSW
    19
    Wind gust (mph)
    26
    29
    25
    25
    25
    30
    31
    35
    Visibility (description)
    VG
    M
    VG
    E
    E
    E
    E
    E
    Humidity
    97%
    97%
    96%
    79%
    59%
    60%
    71%
    85%
    UV - 1 1 4 7 4 1 -
    Wind direction and speed (mph)
    15
    15
    14
    15
    16
    18
    19
    19
    Height of waves offshore (m)
    0.7
    0.6
    0.3
    0.4
    0.3
    0.4
    0.6
    0.8
    Period of waves offshore (s)
    5
    5
    4
    5
    5
    3
    4
    4
    Direction of waves offshore
    Friday (27 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light rain Light rain Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    60%
    50%
    50%
    40%
    30%
    20%
    20%
    20%
    Temperature (°C)
    14°
    15°
    15°
    16°
    17°
    18°
    17°
    15°
    Feels like temperature (°C)
    10°
    11°
    11°
    12°
    13°
    14°
    14°
    12°
    Wind direction and speed (mph)
    SSW
    23
    SSW
    25
    SSW
    23
    SW
    23
    SW
    23
    SW
    22
    SW
    21
    SW
    18
    Wind gust (mph)
    44
    43
    41
    36
    33
    32
    28
    30
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    91%
    92%
    93%
    93%
    89%
    82%
    88%
    95%
    UV - 1 1 3 5 4 1 -
    Wind direction and speed (mph)
    23
    25
    23
    23
    23
    22
    21
    18
    Height of waves offshore (m)
    0.9
    1.0
    1.2
    1.2
    1.3
    1.4
    1.3
    1.3
    Period of waves offshore (s)
    6
    6
    7
    7
    6
    7
    7
    8
    Direction of waves offshore
    Saturday (28 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    20%
    20%
    20%
    10%
    10%
    <5%
    10%
    10%
    Temperature (°C)
    15°
    14°
    15°
    17°
    19°
    19°
    18°
    15°
    Feels like temperature (°C)
    12°
    12°
    13°
    14°
    15°
    16°
    15°
    14°
    Wind direction and speed (mph)
    SW
    17
    SW
    15
    SW
    14
    SW
    15
    SW
    15
    SW
    15
    SSW
    14
    SSW
    11
    Wind gust (mph)
    24
    22
    23
    23
    24
    22
    19
    15
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    96%
    90%
    73%
    65%
    64%
    70%
    87%
    UV - 1 1 4 7 4 1 -
    Wind direction and speed (mph)
    17
    15
    14
    15
    15
    15
    14
    11
    Height of waves offshore (m)
    1.2
    1.0
    0.9
    0.7
    0.7
    0.6
    0.5
    0.5
    Period of waves offshore (s)
    8
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Sunday (29 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    15°
    14°
    15°
    17°
    19°
    19°
    18°
    16°
    Feels like temperature (°C)
    13°
    12°
    13°
    15°
    16°
    16°
    16°
    14°
    Wind direction and speed (mph)
    SSW
    10
    SSW
    9
    SSW
    10
    SSW
    12
    SSW
    14
    SSW
    15
    SSW
    14
    SSW
    12
    Wind gust (mph)
    10
    10
    13
    18
    24
    23
    17
    13
    Visibility (description)
    G
    G
    G
    VG
    G
    G
    VG
    G
    Humidity
    91%
    94%
    89%
    78%
    80%
    76%
    80%
    90%
    UV - 1 1 4 6 4 1 -
    Wind direction and speed (mph)
    10
    Height of waves offshore (m)
    0.7
    Period of waves offshore (s)
    4
    Direction of waves offshore

    Tide times

    Tuesday 24 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 24 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 24 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 24 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 25 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 25 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 25 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 25 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 26 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 26 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 26 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 26 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 27 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 27 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 27 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 27 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 28 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 28 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 28 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 28 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 29 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 29 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 29 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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 29 June

    Tide times and heights are from Cemaes Bay tidal station which is 2.5 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

    Cemlyn (Beach) weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Turning increasingly cloudy, with outbreaks of rain.

    This Evening and Tonight:

    Cloud amounts increasing as we move through the evening, with outbreaks of rain spreading eastwards overnight. The rain turning heavy at times during the early hours, mainly over the hills and mountains in the north. Remaining breezy. Minimum temperature 11 °C.

    Tuesday:

    A cloudier start on Tuesday with patchy outbreaks of rain and drizzle, persistent over west-facing hills. Some brighter spells developing through the afternoon, and winds gradually easing. Maximum temperature 20 °C.

    Outlook for Wednesday to Friday:

    Sunny spells and scattered showers on Wednesday. Rather cloudy on Thursday with rain spreading eastwards later into Friday. Increasingly windy by Friday, and temperatures around or a little above average.

    Updated:

    UK long range weather forecast

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