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 10
    Sunrise iconSunrise:
    Sunset iconSunset:
    Overcast changing to light rain by lunchtime.
    Beach safety today
    Large, powerful waves and strong wind
    • • only experts should take part in water activities

    Tide: Next high tide (5.5m) at

    L UV
    L Pollution
    No pollen data.
Overcast changing to light rain by lunchtime.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next high tide (5.5m) at

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

    7 day forecast for Porth Swtan / Church Bay

    Today (13 January 2025)
    Time
    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
    Light rain
    Overcast
    Overcast
    Overcast
    Light rain
    Light rain
    Light rain
    Light rain
    Heavy rain
    Heavy rain
    Heavy rain
    Heavy rain
    Light rain
    Light rain
    Light rain
    Overcast
    Chance of precipitation
    <5%
    10%
    30%
    50%
    40%
    10%
    30%
    60%
    60%
    60%
    90%
    ≥95%
    ≥95%
    ≥95%
    90%
    80%
    70%
    50%
    40%
    Temperature
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed
    S
    23
    S
    24
    S
    24
    S
    24
    S
    25
    S
    25
    SSW
    26
    SSW
    25
    S
    25
    S
    24
    S
    23
    S
    21
    S
    19
    S
    18
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    16
    Wind gust (mph)
    46
    46
    46
    46
    46
    47
    47
    47
    48
    47
    45
    43
    42
    39
    39
    38
    38
    36
    35
    Visibility
    VG
    VG
    G
    G
    M
    G
    G
    G
    M
    M
    M
    M
    P
    P
    P
    P
    P
    M
    M
    Humidity
    85%
    86%
    87%
    88%
    91%
    92%
    89%
    91%
    92%
    93%
    94%
    95%
    96%
    96%
    97%
    97%
    98%
    98%
    98%
    UV
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    1.1
    1.1
    1.1
    1.1
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.1
    1.1
    1.0
    1.0
    1.0
    0.9
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    7
    Direction of waves offshore
    Tuesday (14 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
    Overcast
    Overcast
    Overcast
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Mist
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Overcast
    Chance of precipitation
    30%
    30%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    16
    SSW
    15
    SSW
    14
    SW
    13
    SW
    12
    SW
    12
    SW
    11
    SSW
    10
    SSW
    9
    SSW
    9
    SSW
    9
    SSW
    10
    SW
    10
    SW
    10
    SSW
    11
    SSW
    11
    SSW
    10
    SSW
    10
    SSW
    10
    SSW
    11
    SSW
    12
    SSW
    12
    SSW
    12
    SSW
    12
    Wind gust (mph)
    34
    31
    30
    28
    26
    24
    22
    22
    21
    22
    22
    21
    22
    22
    22
    23
    24
    23
    24
    26
    28
    28
    28
    29
    Visibility (description)
    M
    M
    M
    M
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    P
    M
    M
    M
    M
    G
    G
    G
    G
    G
    Humidity
    98%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    100%
    100%
    100%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    99%
    97%
    96%
    95%
    93%
    UV
    -
    -
    -
    -
    -
    -
    -
    -
    1
    1
    1
    1
    1
    1
    1
    1
    1
    -
    -
    -
    -
    -
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.9
    0.8
    0.8
    0.8
    0.7
    0.7
    0.6
    0.5
    0.5
    0.5
    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
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    10
    14
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    Direction of waves offshore
    Wednesday (15 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
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    12
    SSW
    13
    S
    13
    S
    14
    S
    15
    S
    15
    S
    13
    S
    13
    Wind gust (mph)
    31
    31
    32
    32
    32
    31
    30
    31
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    93%
    91%
    92%
    92%
    89%
    87%
    89%
    91%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.5
    0.6
    0.7
    0.7
    0.8
    0.8
    0.8
    0.7
    Period of waves offshore (s)
    13
    4
    5
    6
    6
    6
    6
    6
    Direction of waves offshore
    Thursday (16 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
    Sunny intervals
    Sunny intervals
    Cloudy
    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
    13
    S
    13
    S
    13
    S
    13
    S
    16
    S
    16
    S
    16
    S
    16
    Wind gust (mph)
    30
    31
    31
    34
    34
    35
    35
    36
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    90%
    91%
    89%
    88%
    85%
    85%
    87%
    90%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    0.9
    Period of waves offshore (s)
    6
    6
    5
    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
    16
    S
    16
    S
    16
    S
    16
    S
    17
    SSW
    16
    S
    13
    S
    13
    Wind gust (mph)
    35
    36
    35
    35
    34
    32
    31
    29
    Visibility (description)
    VG
    VG
    G
    G
    VG
    VG
    G
    G
    Humidity
    90%
    90%
    92%
    92%
    87%
    88%
    92%
    93%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.9
    0.9
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    6
    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
    Overcast
    Overcast
    Cloudy
    Cloudy
    Cloudy
    Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    12
    S
    11
    S
    11
    S
    12
    S
    14
    S
    13
    S
    11
    S
    11
    Wind gust (mph)
    27
    26
    24
    27
    29
    27
    27
    28
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    G
    G
    Humidity
    93%
    93%
    94%
    93%
    87%
    87%
    92%
    92%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    0.7
    0.7
    0.6
    0.6
    0.6
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    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
    Overcast
    Cloudy
    Cloudy
    Cloudy
    Overcast
    Overcast
    Cloudy
    Overcast
    Chance of precipitation
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    11
    S
    11
    S
    11
    S
    10
    SSW
    11
    SSW
    10
    S
    9
    S
    8
    Wind gust (mph)
    28
    28
    27
    25
    24
    21
    16
    15
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    94%
    94%
    95%
    94%
    91%
    90%
    94%
    95%
    UV
    -
    -
    -
    1
    1
    1
    -
    -
    Wind direction and speed
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Monday 13 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 13 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 13 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 13 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 14 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 14 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 14 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 14 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

    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.

    Porth Swtan / Church Bay weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Milder than recently, though breezy with some patchy rain developing.

    Today:

    Patchy fog and frost clearing to leave plenty of sunshine for a time. However, cloud will gradually increase from the north and west bringing some patchy light rain, especially later. It will be a milder, though rather breezy day. Maximum temperature 9 °C.

    Tonight:

    Early clear spells in the southeast, but a mostly cloudy night. Rain at first, mainly across northern and some western areas, becoming very light and patchy. Breezy, and generally frost-free. Minimum temperature 4 °C.

    Tuesday:

    Tuesday will be a rather cloudy and fairly breezy day. Patchy light rain or drizzle is likely to affect hills and coasts towards the west. Some brighter breaks further east. Maximum temperature 9 °C.

    Outlook for Wednesday to Friday:

    A lot of dry, though rather cloudy weather is expected during Wednesday and later this week. Temperatures around average, though local night frosts possible where cloud breaks, and often breezy.

    Updated:

    UK long range weather forecast

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