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

Clear changing to light showers in the afternoon.
Beach safety today
Large, powerful waves
  • • only experts should take part in water activities

Tide: Next high tide (5.2m) at

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

    7 day forecast for Porth Swtan / Church Bay

    Today (2 December 2025)
    Time
    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 Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Light shower night Light shower night Heavy shower night Heavy shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    20%
    30%
    40%
    50%
    50%
    60%
    70%
    80%
    90%
    80%
    80%
    70%
    Temperature
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    14
    SW
    15
    SW
    15
    SW
    15
    SW
    14
    SSW
    12
    S
    11
    S
    10
    SSE
    10
    S
    10
    S
    10
    S
    10
    S
    10
    S
    10
    Wind gust (mph)
    29
    29
    29
    28
    29
    30
    30
    29
    27
    27
    27
    27
    27
    28
    27
    26
    26
    26
    Visibility
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    78%
    79%
    79%
    78%
    75%
    74%
    71%
    68%
    70%
    76%
    82%
    85%
    87%
    89%
    89%
    88%
    90%
    89%
    UV - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed
    14
    14
    14
    14
    14
    15
    15
    15
    14
    12
    11
    10
    10
    10
    10
    10
    10
    10
    Height of waves offshore (m)
    1.1
    1.1
    1.1
    1.0
    0.9
    0.9
    0.8
    0.8
    0.7
    0.6
    0.7
    0.7
    0.8
    0.8
    0.8
    0.7
    0.6
    0.6
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    5
    5
    5
    5
    10
    10
    10
    10
    10
    9
    9
    9
    10
    Direction of waves offshore
    Wednesday (3 December 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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Light shower night Light shower night Light shower night Light rain Light rain Heavy rain Heavy rain
    Chance of precipitation
    60%
    50%
    60%
    60%
    50%
    60%
    60%
    50%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    30%
    40%
    60%
    80%
    70%
    70%
    70%
    90%
    80%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    10
    S
    11
    S
    11
    SSW
    11
    SSW
    11
    SSW
    12
    SSW
    13
    SSW
    13
    SSW
    12
    SSW
    12
    SSW
    13
    SSW
    12
    SW
    13
    SSW
    13
    SSW
    13
    SSW
    12
    SSW
    11
    S
    12
    S
    12
    SSE
    14
    SSE
    15
    SSE
    17
    SSE
    18
    SSE
    19
    Wind gust (mph)
    28
    30
    31
    30
    30
    29
    29
    29
    28
    27
    25
    25
    25
    25
    26
    27
    28
    30
    33
    34
    37
    41
    44
    41
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    89%
    87%
    87%
    87%
    88%
    87%
    87%
    87%
    87%
    87%
    86%
    85%
    81%
    80%
    80%
    78%
    84%
    84%
    87%
    86%
    87%
    87%
    88%
    89%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    10
    11
    11
    11
    11
    12
    13
    13
    12
    12
    13
    12
    13
    13
    13
    12
    11
    12
    12
    14
    15
    17
    18
    19
    Height of waves offshore (m)
    0.5
    0.5
    0.5
    0.6
    0.6
    0.8
    1.0
    1.1
    1.1
    1.1
    1.0
    1.0
    0.9
    0.9
    0.8
    0.8
    0.7
    0.8
    0.9
    1.0
    1.0
    1.1
    1.1
    1.2
    Period of waves offshore (s)
    15
    15
    15
    15
    14
    6
    6
    6
    6
    6
    6
    6
    5
    5
    5
    5
    5
    6
    6
    6
    7
    7
    7
    8
    Direction of waves offshore
    Thursday (4 December 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 Light rain Light shower night Partly cloudy night Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Partly cloudy night 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    80%
    60%
    50%
    40%
    30%
    30%
    30%
    20%
    30%
    30%
    20%
    20%
    30%
    30%
    30%
    40%
    30%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    19
    SSW
    18
    SW
    17
    WSW
    15
    WSW
    13
    WSW
    12
    WSW
    12
    WSW
    11
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    9
    SW
    8
    SW
    7
    SW
    7
    SSW
    8
    S
    8
    S
    8
    SSW
    7
    SSW
    7
    SSW
    8
    Wind gust (mph)
    40
    36
    33
    30
    29
    26
    25
    24
    23
    22
    23
    21
    20
    20
    19
    17
    15
    16
    16
    17
    16
    16
    17
    17
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    90%
    87%
    82%
    78%
    76%
    76%
    76%
    75%
    76%
    77%
    75%
    73%
    68%
    69%
    72%
    76%
    80%
    83%
    87%
    90%
    88%
    88%
    87%
    88%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    19
    18
    17
    15
    13
    12
    12
    11
    10
    10
    10
    10
    10
    10
    9
    8
    7
    7
    8
    8
    8
    7
    7
    8
    Height of waves offshore (m)
    1.1
    1.0
    1.0
    1.1
    1.1
    1.0
    1.0
    1.1
    1.1
    1.0
    0.9
    0.8
    0.7
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    8
    9
    9
    5
    5
    5
    8
    9
    9
    9
    9
    9
    4
    5
    4
    4
    7
    6
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Friday (5 December 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 Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain
    Chance of precipitation
    30%
    20%
    20%
    20%
    20%
    30%
    30%
    40%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    50%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    60%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    8
    SSE
    8
    SSE
    8
    SSE
    9
    SSE
    9
    SSE
    9
    S
    10
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    11
    SSE
    12
    SSE
    13
    SE
    14
    SE
    14
    SE
    15
    ESE
    14
    ESE
    15
    SE
    16
    SE
    16
    SE
    16
    SE
    15
    SE
    15
    SE
    14
    Wind gust (mph)
    17
    18
    18
    18
    18
    19
    21
    21
    21
    21
    24
    26
    26
    25
    25
    26
    26
    28
    30
    30
    30
    30
    29
    28
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    VG
    Humidity
    88%
    91%
    91%
    91%
    91%
    89%
    87%
    87%
    89%
    87%
    86%
    84%
    84%
    82%
    82%
    84%
    87%
    88%
    91%
    90%
    90%
    91%
    91%
    92%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    8
    8
    8
    9
    9
    9
    10
    10
    10
    10
    11
    12
    13
    14
    14
    15
    14
    15
    16
    16
    16
    15
    15
    14
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    0.7
    0.8
    0.8
    1.0
    1.1
    1.3
    1.3
    1.3
    1.3
    1.3
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    7
    7
    4
    4
    5
    5
    6
    6
    6
    7
    7
    8
    7
    7
    6
    6
    7
    7
    7
    Direction of waves offshore
    Saturday (6 December 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 Light rain Light rain Overcast Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Overcast Overcast Overcast Overcast Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    50%
    50%
    50%
    60%
    60%
    60%
    60%
    60%
    60%
    60%
    50%
    50%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    10%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SE
    13
    SSE
    12
    SE
    12
    SE
    11
    SSE
    11
    SE
    11
    SE
    11
    NNE
    11
    N
    11
    N
    11
    N
    12
    NNW
    13
    NNW
    14
    NW
    15
    NW
    14
    NW
    14
    NW
    13
    NW
    13
    NW
    12
    NW
    12
    NW
    11
    WNW
    11
    WNW
    10
    W
    10
    Wind gust (mph)
    30
    27
    25
    22
    22
    22
    22
    22
    22
    24
    24
    21
    20
    19
    20
    21
    19
    19
    17
    15
    12
    12
    13
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    92%
    92%
    92%
    91%
    92%
    92%
    92%
    93%
    92%
    92%
    91%
    91%
    89%
    87%
    87%
    87%
    86%
    87%
    87%
    87%
    87%
    88%
    88%
    90%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 - - - - - - - -
    Wind direction and speed (mph)
    13
    12
    12
    11
    11
    11
    11
    11
    11
    11
    12
    13
    14
    15
    14
    14
    13
    13
    12
    12
    11
    11
    10
    10
    Height of waves offshore (m)
    1.2
    1.1
    1.0
    0.9
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    0.7
    0.9
    1.1
    1.2
    1.4
    1.4
    1.4
    1.4
    1.4
    1.3
    1.3
    Period of waves offshore (s)
    7
    7
    8
    8
    8
    8
    10
    10
    10
    10
    10
    10
    11
    11
    11
    5
    5
    5
    6
    6
    6
    6
    6
    6
    Direction of waves offshore
    Sunday (7 December 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Light rain Sunny intervals Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    30%
    50%
    40%
    30%
    30%
    30%
    Temperature (°C)
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    9
    WSW
    8
    SW
    7
    SSE
    8
    S
    11
    WSW
    12
    SW
    12
    SW
    13
    Wind gust (mph)
    12
    10
    11
    16
    19
    15
    15
    18
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    G
    G
    Humidity
    91%
    93%
    94%
    93%
    87%
    85%
    86%
    86%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    9
    8
    7
    8
    11
    12
    12
    13
    Height of waves offshore (m)
    1.2
    1.0
    0.8
    0.7
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    6
    7
    8
    9
    10
    10
    10
    10
    Direction of waves offshore
    Monday (8 December 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 Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    50%
    40%
    40%
    40%
    30%
    20%
    20%
    Temperature (°C)
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SW
    12
    SSW
    12
    SSW
    13
    SSW
    13
    SSW
    14
    SSW
    12
    SSW
    11
    SSW
    11
    Wind gust (mph)
    18
    17
    16
    14
    18
    16
    15
    15
    Visibility (description)
    G
    G
    G
    G
    VG
    G
    VG
    G
    Humidity
    88%
    90%
    90%
    91%
    86%
    87%
    88%
    89%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    12
    Height of waves offshore (m)
    0.5
    Period of waves offshore (s)
    10
    Direction of waves offshore

    Tide times

    Tuesday 2 December

    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 2 December

    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 2 December

    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 2 December

    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 3 December

    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 3 December

    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 3 December

    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 3 December

    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 4 December

    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 4 December

    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 4 December

    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 4 December

    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 5 December

    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 5 December

    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 5 December

    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 5 December

    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 6 December

    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 6 December

    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 6 December

    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 6 December

    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 7 December

    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 7 December

    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 7 December

    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 7 December

    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 8 December

    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 8 December

    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 8 December

    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 8 December

    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

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    WARNING
    Flood warnings icon
    Flood warnings in force for Wales
    Flood warnings in force for Wales

    Wales weather forecast

    Headline:

    Remaining unsettled, with a mix of showers and sunny spells.

    Today:

    A damp start in the west, with patchy cloud and showers, some clearer spells in the east before showers become widespread through the day. These will be occasionally blustery and carry the chance of hail and thunder. Some sunny spells. Maximum temperature 10 °C.

    Tonight:

    Cloudy with showers continuing through the evening, these heaviest in the south, but draw back to the coasts overnight. Under clearer skies isolated pockets of fog and frost may form. Minimum temperature 2 °C.

    Wednesday:

    A dry start in the east, though showers continue for coastal regions, these spreading east through the morning. Turning increasingly cloudy and breezy later ahead of a rain band overnight. Maximum temperature 10 °C.

    Outlook for Thursday to Saturday:

    A damp start to Thursday, with patchy cloud and showers moving in from the southwest. Remaining largely unsettled thereafter, with a mix of rain and showers into the weekend.

    Updated:

    UK long range weather forecast

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