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

Clear changing to cloudy by nighttime.
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 (1.5m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    8 day forecast for Cemlyn (Beach)

    Today (3 April 2025)
    Time
    20:00
    21:00
    22:00
    23:00
    Weather symbols Clear night Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    <5%
    <5%
    20%
    10%
    Temperature
    13°
    12°
    12°
    11°
    Feels like temperature (°C)
    10°
    Wind direction and speed
    E
    14
    E
    16
    E
    16
    E
    16
    Wind gust (mph)
    30
    31
    30
    29
    Visibility
    G
    G
    G
    G
    Humidity
    68%
    66%
    66%
    67%
    UV - - - -
    Wind direction and speed
    14
    16
    16
    16
    Height of waves offshore (m)
    0.6
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    5
    5
    5
    5
    Direction of waves offshore
    Friday (4 April 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 Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    10%
    10%
    <5%
    <5%
    10%
    20%
    20%
    30%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    13°
    14°
    15°
    16°
    16°
    17°
    17°
    16°
    15°
    14°
    13°
    12°
    11°
    Feels like temperature (°C)
    10°
    11°
    12°
    13°
    13°
    14°
    14°
    13°
    12°
    10°
    Wind direction and speed (mph)
    E
    15
    E
    14
    E
    13
    E
    12
    E
    11
    E
    11
    E
    10
    E
    10
    E
    10
    E
    11
    E
    13
    ENE
    14
    ENE
    15
    ENE
    15
    ENE
    15
    ENE
    15
    ENE
    15
    ENE
    15
    ENE
    15
    ENE
    16
    E
    17
    E
    19
    E
    20
    E
    20
    Wind gust (mph)
    28
    26
    24
    25
    25
    23
    23
    23
    23
    22
    21
    21
    21
    22
    22
    23
    24
    24
    26
    30
    32
    32
    34
    34
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    VG
    VG
    Humidity
    70%
    74%
    75%
    76%
    77%
    78%
    81%
    82%
    79%
    77%
    74%
    72%
    68%
    65%
    62%
    58%
    58%
    58%
    62%
    63%
    63%
    64%
    66%
    71%
    UV - - - - - - 1 1 1 1 2 3 3 3 3 2 2 1 1 1 - - - -
    Wind direction and speed (mph)
    15
    14
    13
    12
    11
    11
    10
    10
    10
    11
    13
    14
    15
    15
    15
    15
    15
    15
    15
    16
    17
    19
    20
    20
    Height of waves offshore (m)
    0.7
    0.7
    0.6
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.6
    0.7
    0.7
    0.8
    0.8
    0.9
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    4
    4
    5
    5
    5
    Direction of waves offshore
    Saturday (5 April 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 Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    12°
    14°
    12°
    10°
    Feels like temperature (°C)
    11°
    10°
    Wind direction and speed (mph)
    E
    20
    E
    20
    ENE
    19
    ENE
    20
    ENE
    21
    ENE
    20
    ENE
    17
    ENE
    13
    E
    14
    Wind gust (mph)
    35
    34
    34
    34
    32
    27
    24
    28
    32
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    72%
    72%
    75%
    76%
    66%
    55%
    52%
    63%
    67%
    UV - - - 1 2 3 2 1 -
    Wind direction and speed (mph)
    20
    20
    19
    20
    21
    20
    17
    13
    14
    Height of waves offshore (m)
    1.0
    1.0
    1.0
    0.9
    1.0
    1.0
    0.8
    0.6
    0.8
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Sunday (6 April 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    14°
    15°
    13°
    Feels like temperature (°C)
    11°
    13°
    11°
    Wind direction and speed (mph)
    E
    17
    E
    14
    E
    11
    E
    11
    E
    12
    ENE
    12
    E
    9
    ESE
    7
    Wind gust (mph)
    32
    31
    29
    24
    22
    19
    17
    18
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    VG
    VG
    VG
    Humidity
    72%
    73%
    78%
    64%
    54%
    46%
    61%
    72%
    UV - - 1 2 3 2 1 -
    Wind direction and speed (mph)
    17
    14
    11
    11
    12
    12
    9
    7
    Height of waves offshore (m)
    0.8
    0.8
    0.7
    0.7
    0.6
    0.5
    0.4
    0.3
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    4
    4
    4
    Direction of waves offshore
    Monday (7 April 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    14°
    14°
    11°
    Feels like temperature (°C)
    11°
    12°
    12°
    10°
    Wind direction and speed (mph)
    ESE
    6
    ESE
    4
    ESE
    4
    ENE
    4
    NE
    7
    NNE
    7
    NE
    5
    E
    4
    Wind gust (mph)
    13
    9
    8
    10
    10
    9
    8
    6
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    76%
    81%
    81%
    56%
    50%
    53%
    66%
    86%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    6
    5
    4
    4
    7
    7
    5
    4
    Height of waves offshore (m)
    0.3
    0.4
    0.4
    0.3
    0.3
    0.3
    0.2
    0.2
    Period of waves offshore (s)
    7
    4
    4
    4
    9
    9
    9
    9
    Direction of waves offshore
    Tuesday (8 April 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    15°
    16°
    13°
    Feels like temperature (°C)
    12°
    14°
    14°
    12°
    Wind direction and speed (mph)
    ESE
    4
    SE
    4
    ESE
    3
    NE
    4
    NNE
    7
    NNE
    7
    NE
    6
    NE
    3
    Wind gust (mph)
    5
    5
    6
    11
    12
    12
    6
    4
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    88%
    89%
    91%
    63%
    53%
    52%
    68%
    87%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    4
    4
    3
    4
    7
    7
    6
    3
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    11
    13
    Direction of waves offshore
    Wednesday (9 April 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    15°
    15°
    12°
    Feels like temperature (°C)
    11°
    13°
    13°
    11°
    Wind direction and speed (mph)
    ENE
    4
    E
    4
    E
    4
    ESE
    6
    NE
    9
    NNE
    9
    NNE
    7
    NE
    5
    Wind gust (mph)
    4
    4
    6
    12
    14
    13
    7
    4
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    91%
    93%
    92%
    62%
    55%
    55%
    68%
    91%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    4
    Height of waves offshore (m)
    0.2
    Period of waves offshore (s)
    12
    Direction of waves offshore
    Thursday (10 April 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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    15°
    15°
    13°
    Feels like temperature (°C)
    11°
    13°
    13°
    11°
    Wind direction and speed (mph)
    ENE
    5
    ESE
    5
    SSE
    5
    W
    7
    W
    10
    W
    10
    WSW
    8
    WSW
    6
    Wind gust (mph)
    4
    4
    8
    14
    16
    14
    6
    6
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    93%
    95%
    93%
    70%
    62%
    58%
    72%
    91%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Thursday 3 April

    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 3 April

    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 3 April

    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 3 April

    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 4 April

    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 4 April

    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 4 April

    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 4 April

    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 5 April

    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 5 April

    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 5 April

    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 5 April

    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 6 April

    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 6 April

    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 6 April

    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 6 April

    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

    Monday 7 April

    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

    Monday 7 April

    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

    Monday 7 April

    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

    Monday 7 April

    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 8 April

    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 8 April

    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 8 April

    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 8 April

    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 9 April

    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 9 April

    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 9 April

    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 9 April

    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 10 April

    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 10 April

    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 10 April

    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 10 April

    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:

    Some showers this evening. Warm with sunshine on Friday.

    This Evening and Tonight:

    A chance of further showers in the south this evening, these moving northwards overnight, but many places remaining dry. Patchy low cloud developing in places. A milder night than of late. Minimum temperature 7 °C.

    Friday:

    Any showers clearing to leave sunny spells. Increasingly sunny by the afternoon. Temperatures above average and feeling warm albeit cooler on coasts exposed to the easterly breeze. Maximum temperature 23 °C.

    Outlook for Saturday to Monday:

    Dry and mainly sunny over the weekend and into next week too. Temperatures generally lower than on Friday with chilly nights but feeling warm in the sunshine. Breezy at times.

    Updated:

    UK long range weather forecast

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