Porth Swtan / Church Bay (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

  • 10 5
    Sunrise iconSunrise:
    Sunset iconSunset:
    Sunny intervals.
    Beach safety today
    Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, strong wind may blow you off course
    • • unsafe for novice surfers
    • • paddle boarding/kayaking not recommended at any level

    Tide: Next low tide (0.9m) at

    L UV
    L Pollution
    No pollen data.
Sunny intervals.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, strong wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding/kayaking not recommended at any level

Tide: Next low tide (0.9m) at

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

    7 day forecast for Porth Swtan / Church Bay

    Today (15 January 2025)
    Time
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols
    Sunny intervals
    Sunny intervals
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    10°
    Feels like temperature (°C)
    Wind direction and speed
    S
    16
    S
    15
    S
    14
    S
    13
    S
    13
    S
    12
    S
    12
    S
    11
    S
    12
    S
    12
    Wind gust (mph)
    29
    28
    27
    26
    25
    24
    24
    24
    25
    26
    Visibility
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    85%
    86%
    92%
    93%
    93%
    92%
    91%
    91%
    92%
    91%
    UV
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Thursday (16 January 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
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Clear night
    Sunny day
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    12
    S
    12
    S
    12
    S
    11
    S
    11
    S
    11
    S
    11
    S
    12
    S
    12
    S
    12
    S
    12
    S
    13
    S
    14
    S
    15
    S
    15
    S
    14
    S
    14
    S
    14
    S
    15
    S
    16
    S
    17
    S
    17
    S
    18
    S
    18
    Wind gust (mph)
    26
    26
    26
    27
    27
    26
    26
    26
    27
    27
    28
    28
    30
    30
    30
    31
    31
    33
    34
    35
    36
    36
    38
    38
    Visibility (description)
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    G
    G
    G
    M
    G
    Humidity
    91%
    89%
    86%
    86%
    86%
    85%
    84%
    84%
    83%
    81%
    82%
    82%
    83%
    83%
    84%
    84%
    86%
    89%
    87%
    87%
    87%
    88%
    87%
    87%
    UV
    -
    -
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.6
    0.6
    0.6
    0.7
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    17
    17
    17
    17
    17
    16
    16
    16
    16
    11
    5
    5
    6
    6
    6
    6
    6
    6
    6
    Direction of waves offshore
    Friday (17 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    18
    S
    17
    S
    17
    S
    16
    S
    17
    S
    15
    S
    14
    S
    14
    Wind gust (mph)
    37
    36
    34
    34
    33
    31
    31
    32
    Visibility (description)
    M
    M
    M
    M
    G
    G
    G
    G
    Humidity
    88%
    91%
    92%
    90%
    86%
    85%
    85%
    85%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    Period of waves offshore (s)
    6
    6
    6
    6
    7
    7
    6
    6
    Direction of waves offshore
    Saturday (18 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Overcast
    Partly cloudy night
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    14
    S
    14
    S
    14
    SSE
    13
    S
    14
    S
    12
    SSE
    9
    SSE
    9
    Wind gust (mph)
    33
    33
    33
    32
    30
    29
    28
    28
    Visibility (description)
    G
    G
    G
    M
    G
    G
    M
    M
    Humidity
    85%
    85%
    86%
    87%
    83%
    78%
    86%
    87%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.7
    0.7
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    6
    6
    6
    6
    7
    7
    7
    7
    Direction of waves offshore
    Sunday (19 January 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
    Cloudy
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    20%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    9
    SSE
    10
    SSE
    10
    SSE
    11
    S
    13
    S
    12
    S
    10
    S
    9
    Wind gust (mph)
    30
    30
    29
    31
    30
    29
    27
    25
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    87%
    88%
    87%
    86%
    83%
    86%
    92%
    93%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.6
    0.7
    Period of waves offshore (s)
    6
    7
    8
    8
    8
    6
    6
    7
    Direction of waves offshore
    Monday (20 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Overcast
    Overcast
    Cloudy
    Overcast
    Overcast
    Cloudy
    Cloudy
    Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    8
    S
    8
    S
    7
    SSW
    6
    SSW
    8
    S
    7
    S
    6
    S
    6
    Wind gust (mph)
    21
    17
    15
    18
    20
    17
    13
    11
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    Humidity
    96%
    96%
    96%
    96%
    91%
    89%
    94%
    96%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.8
    0.8
    0.6
    0.4
    0.4
    0.4
    0.4
    0.3
    Period of waves offshore (s)
    7
    7
    7
    15
    15
    9
    9
    9
    Direction of waves offshore
    Tuesday (21 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Partly cloudy night
    Cloudy
    Cloudy
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    7
    S
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    7
    SE
    7
    SE
    6
    Wind gust (mph)
    10
    9
    11
    11
    13
    13
    15
    13
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    97%
    96%
    95%
    94%
    85%
    85%
    93%
    93%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.3
    Period of waves offshore (s)
    9
    Direction of waves offshore

    Tide times

    Wednesday 15 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 15 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 15 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 15 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 16 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 16 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 16 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 16 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 17 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 17 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 17 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 17 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 18 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 18 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 18 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 18 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 19 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 19 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 19 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 19 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 20 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 20 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 20 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 20 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 21 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 21 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 21 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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 21 January

    Tide times and heights are from Holyhead tidal station which is 4.2 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

    Porth Swtan / Church Bay weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Staying mainly dry with some sunshine at times.

    Today:

    Many areas starting murky with mist and fog possible and a little light drizzle likely over the hills. Brightening up through the day with some sunshine developing for most. Light winds and feeling a little milder. Maximum temperature 10 °C.

    Tonight:

    Clear periods at first, but mist and fog patches developing this evening and more especially after midnight. Colder than last night with some frost possible where skies remain clear. Minimum temperature -2 °C.

    Thursday:

    A cold start with a frost and patchy freezing fog in places. Thereafter a dry day with some sunshine for many. Feeling mild in any afternoon sunshine with light winds. Maximum temperature 8 °C.

    Outlook for Friday to Sunday:

    Mainly cloudy with the best of the sunshine in the north. Breezy in coastal areas with perhaps some rain by Sunday. Feeling chilly with overnight frosts possible.

    Updated:

    UK long range weather forecast

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