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

  • 8 2
    Sunrise iconSunrise:
    Sunset iconSunset:
    Overcast.
    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 (1.3m) at

    L UV
    L Pollution
    No pollen data.
Overcast.
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 (1.3m) at

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

    7 day forecast for Porth Swtan / Church Bay

    Today (18 January 2025)
    Time
    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
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Clear night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    Feels like temperature (°C)
    Wind direction and speed
    S
    14
    S
    14
    S
    14
    S
    14
    S
    15
    S
    15
    SSE
    15
    S
    15
    S
    15
    S
    15
    S
    14
    SSE
    12
    SSE
    11
    SSE
    10
    SSE
    9
    SE
    8
    SE
    8
    SSE
    7
    SSE
    7
    SSE
    7
    Wind gust (mph)
    30
    30
    30
    31
    31
    31
    31
    31
    31
    30
    28
    26
    26
    25
    24
    24
    23
    22
    21
    20
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    84%
    85%
    86%
    87%
    89%
    90%
    92%
    92%
    92%
    UV
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.6
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    Direction of waves offshore
    Sunday (19 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
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    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%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    7
    SSE
    7
    SSE
    7
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    8
    SSE
    9
    SSE
    10
    SSE
    11
    S
    11
    S
    11
    S
    10
    SSE
    9
    SSE
    8
    SSE
    8
    SSE
    9
    SSE
    9
    SSE
    9
    S
    9
    S
    9
    Wind gust (mph)
    19
    21
    22
    23
    23
    23
    23
    24
    24
    24
    24
    24
    25
    24
    24
    23
    23
    24
    24
    25
    24
    23
    23
    23
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    92%
    92%
    92%
    92%
    92%
    91%
    89%
    89%
    87%
    85%
    83%
    79%
    78%
    78%
    79%
    83%
    84%
    84%
    85%
    85%
    85%
    85%
    86%
    UV
    -
    -
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    7
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    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
    Overcast
    Overcast
    Overcast
    Cloudy
    Cloudy
    Cloudy
    Chance of precipitation
    20%
    30%
    30%
    30%
    30%
    20%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    9
    S
    8
    S
    7
    S
    6
    S
    6
    S
    6
    SSE
    5
    SSE
    5
    Wind gust (mph)
    23
    23
    19
    17
    16
    15
    16
    18
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    88%
    89%
    93%
    95%
    90%
    91%
    95%
    96%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.5
    0.5
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    6
    10
    15
    15
    15
    14
    14
    14
    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
    Cloudy
    Partly cloudy night
    Partly cloudy night
    Sunny intervals
    Sunny intervals
    Partly cloudy night
    Partly cloudy night
    Partly cloudy night
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    5
    SSE
    6
    SSE
    6
    SSE
    5
    SSE
    5
    ESE
    4
    E
    5
    E
    5
    Wind gust (mph)
    17
    17
    15
    16
    16
    15
    16
    21
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    93%
    94%
    93%
    92%
    84%
    84%
    93%
    93%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    Period of waves offshore (s)
    11
    8
    8
    8
    9
    9
    8
    8
    Direction of waves offshore
    Wednesday (22 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
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Chance of precipitation
    10%
    10%
    20%
    20%
    20%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    E
    6
    E
    7
    ENE
    8
    E
    8
    E
    8
    ENE
    7
    ENE
    6
    E
    6
    Wind gust (mph)
    21
    21
    22
    21
    18
    17
    15
    13
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    91%
    91%
    91%
    92%
    85%
    87%
    92%
    93%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.3
    0.3
    0.5
    0.6
    0.6
    0.5
    0.5
    0.4
    Period of waves offshore (s)
    6
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Thursday (23 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
    Cloudy
    Cloudy
    Chance of precipitation
    20%
    30%
    40%
    40%
    40%
    30%
    30%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ENE
    5
    ENE
    5
    NE
    6
    ENE
    8
    NNE
    9
    NE
    9
    NNE
    7
    ESE
    7
    Wind gust (mph)
    11
    12
    14
    18
    20
    20
    18
    16
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    94%
    96%
    95%
    95%
    90%
    90%
    93%
    94%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.4
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    4
    8
    11
    11
    11
    Direction of waves offshore
    Friday (24 January 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Light rain
    Light rain
    Chance of precipitation
    20%
    20%
    30%
    30%
    30%
    40%
    50%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    7
    S
    7
    SSE
    9
    SSE
    10
    SSE
    13
    SSE
    13
    SSE
    12
    SSE
    13
    Wind gust (mph)
    19
    19
    20
    27
    31
    31
    33
    34
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    G
    G
    Humidity
    94%
    94%
    94%
    91%
    86%
    84%
    86%
    86%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    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.

    Tide times

    Wednesday 22 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 22 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 22 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 22 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 23 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 23 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 23 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 23 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 24 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 24 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 24 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 24 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.

    Porth Swtan / Church Bay weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Grey and rather gloomy but staying dry overnight.

    This Evening and Tonight:

    Mainly settled this evening, however turning colder beneath clear skies in the north with frost developing in rural spots. Cloudy elsewhere and rather gloomy in places with mist and hill fog returning across higher ground. Light winds for all. Minimum temperature -1 °C.

    Saturday:

    Colder than on Friday, with morning frost lingering in rural parts. Then, another cloudy day with some light drizzle across the higher ground, though turning brighter into the afternoon. Maximum temperature 6 °C.

    Outlook for Sunday to Tuesday:

    Dry on Sunday but mainly cloudy, before light rain arrives from Monday. Some brighter breaks also developing by day but turning chilly at night with frosts possible in places.

    Updated:

    UK long range weather forecast

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