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

Sunny intervals changing to light rain by early evening.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next low tide (1.4m) at

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

    7 day forecast for Porth Swtan / Church Bay

    Today (30 January 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Cloudy Light rain Light rain Light rain Cloudy
    Chance of precipitation
    20%
    20%
    10%
    <5%
    <5%
    <5%
    10%
    20%
    30%
    60%
    50%
    50%
    50%
    Temperature
    10°
    Feels like temperature (°C)
    Wind direction and speed
    SE
    13
    SSE
    13
    SSE
    11
    SE
    10
    ESE
    9
    E
    9
    E
    10
    E
    12
    ENE
    13
    ENE
    13
    ENE
    14
    ENE
    14
    ENE
    14
    Wind gust (mph)
    30
    28
    26
    24
    24
    25
    27
    30
    32
    34
    33
    34
    34
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    85%
    85%
    81%
    78%
    82%
    85%
    91%
    91%
    92%
    92%
    92%
    92%
    92%
    UV 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed
    13
    13
    11
    10
    9
    9
    10
    12
    13
    13
    14
    14
    14
    Height of waves offshore (m)
    0.6
    0.6
    0.7
    0.7
    0.8
    0.9
    1.0
    1.1
    1.1
    1.0
    0.9
    0.8
    0.7
    Period of waves offshore (s)
    18
    17
    17
    17
    17
    16
    16
    16
    16
    16
    16
    16
    16
    Direction of waves offshore
    Saturday (31 January 2026)
    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 Cloudy Cloudy Overcast Light shower night Overcast Overcast Overcast Light rain Light rain Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Partly cloudy night
    Chance of precipitation
    40%
    40%
    40%
    30%
    50%
    50%
    40%
    40%
    50%
    60%
    40%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ENE
    14
    ENE
    14
    ENE
    14
    ENE
    13
    ENE
    13
    ENE
    13
    ENE
    11
    ENE
    11
    ENE
    10
    ENE
    10
    ENE
    9
    ENE
    9
    NE
    8
    NNE
    8
    NNE
    7
    N
    6
    NNW
    6
    NW
    6
    WNW
    6
    W
    6
    W
    6
    WSW
    6
    SW
    6
    SSW
    6
    Wind gust (mph)
    34
    33
    32
    32
    30
    30
    28
    27
    25
    23
    22
    20
    18
    17
    15
    13
    15
    15
    15
    16
    14
    15
    15
    16
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    91%
    91%
    89%
    90%
    91%
    92%
    92%
    92%
    93%
    92%
    91%
    91%
    88%
    88%
    88%
    87%
    91%
    93%
    93%
    92%
    92%
    93%
    93%
    94%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    14
    14
    14
    13
    13
    13
    11
    11
    10
    10
    9
    9
    8
    8
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    Height of waves offshore (m)
    0.6
    0.6
    0.5
    0.6
    0.6
    0.7
    0.8
    0.8
    0.8
    0.8
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.6
    0.6
    0.7
    0.8
    0.8
    0.8
    0.7
    0.7
    Period of waves offshore (s)
    16
    16
    16
    16
    16
    15
    15
    15
    14
    14
    14
    14
    15
    15
    15
    16
    15
    15
    15
    15
    15
    15
    15
    15
    Direction of waves offshore
    Sunday (1 February 2026)
    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 Partly cloudy night Partly cloudy night Cloudy Cloudy Light shower day Light rain Light rain Light shower day Cloudy 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
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    40%
    50%
    70%
    70%
    60%
    50%
    30%
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSW
    6
    SSW
    6
    S
    6
    S
    6
    S
    6
    S
    6
    S
    6
    S
    7
    S
    7
    S
    7
    SSW
    8
    WSW
    9
    WSW
    9
    W
    9
    W
    8
    W
    7
    WNW
    6
    NW
    6
    NE
    5
    ESE
    6
    ESE
    6
    ESE
    6
    ESE
    6
    ESE
    6
    Wind gust (mph)
    14
    14
    15
    14
    14
    15
    15
    16
    17
    18
    19
    19
    19
    18
    17
    17
    15
    15
    13
    12
    12
    12
    12
    13
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    93%
    94%
    94%
    95%
    96%
    96%
    96%
    96%
    96%
    96%
    92%
    91%
    86%
    84%
    82%
    83%
    86%
    88%
    91%
    92%
    93%
    93%
    92%
    92%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    6
    6
    6
    6
    6
    6
    6
    7
    7
    7
    8
    9
    9
    9
    8
    7
    6
    6
    5
    6
    6
    6
    6
    6
    Height of waves offshore (m)
    0.6
    0.5
    0.4
    0.4
    0.4
    0.4
    0.5
    0.6
    0.6
    0.6
    0.6
    0.5
    0.4
    0.3
    0.3
    0.2
    0.2
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    15
    15
    15
    15
    15
    14
    14
    14
    14
    14
    14
    13
    13
    13
    14
    14
    14
    14
    13
    10
    10
    10
    10
    17
    Direction of waves offshore
    Monday (2 February 2026)
    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 Clear night Clear night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    30%
    30%
    30%
    30%
    20%
    30%
    30%
    30%
    30%
    30%
    40%
    40%
    50%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ESE
    6
    ESE
    6
    ESE
    7
    E
    7
    E
    7
    E
    8
    E
    8
    E
    9
    E
    11
    E
    12
    E
    12
    E
    12
    E
    12
    E
    13
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    14
    E
    15
    E
    14
    Wind gust (mph)
    13
    16
    17
    20
    22
    25
    26
    26
    28
    29
    30
    31
    31
    32
    34
    34
    35
    34
    35
    36
    36
    36
    36
    36
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    92%
    92%
    91%
    92%
    92%
    92%
    92%
    92%
    90%
    88%
    85%
    85%
    84%
    82%
    83%
    84%
    86%
    86%
    85%
    85%
    85%
    85%
    85%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    6
    6
    7
    7
    7
    8
    8
    9
    11
    12
    12
    12
    12
    13
    14
    14
    14
    14
    14
    14
    14
    14
    15
    14
    Height of waves offshore (m)
    0.3
    0.3
    0.4
    0.4
    0.5
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    0.8
    0.8
    0.9
    0.9
    1.0
    1.0
    1.1
    1.1
    1.3
    1.4
    1.4
    1.5
    1.5
    Period of waves offshore (s)
    17
    16
    16
    16
    16
    4
    4
    5
    5
    5
    5
    5
    5
    5
    5
    6
    6
    6
    6
    6
    6
    6
    7
    7
    Direction of waves offshore
    Tuesday (3 February 2026)
    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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    50%
    50%
    60%
    60%
    60%
    50%
    60%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    E
    14
    E
    14
    E
    15
    E
    15
    E
    15
    E
    16
    E
    16
    E
    16
    E
    16
    E
    16
    E
    17
    ESE
    17
    ESE
    16
    ESE
    16
    ESE
    15
    ESE
    14
    ESE
    12
    ESE
    12
    E
    11
    E
    11
    E
    11
    E
    11
    E
    10
    ESE
    10
    Wind gust (mph)
    36
    36
    36
    36
    37
    39
    38
    39
    38
    38
    38
    37
    36
    36
    34
    32
    30
    30
    28
    29
    30
    29
    29
    29
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    G
    G
    G
    G
    G
    G
    VG
    G
    Humidity
    85%
    85%
    86%
    87%
    87%
    88%
    88%
    88%
    90%
    90%
    86%
    84%
    83%
    82%
    81%
    82%
    84%
    87%
    87%
    89%
    88%
    88%
    91%
    91%
    UV - - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    14
    14
    15
    15
    15
    16
    16
    16
    16
    16
    17
    17
    16
    16
    15
    14
    12
    12
    11
    11
    11
    11
    10
    10
    Height of waves offshore (m)
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.5
    1.5
    1.5
    1.5
    1.5
    1.4
    1.4
    1.4
    1.3
    1.3
    1.2
    1.2
    1.1
    1.1
    1.0
    1.0
    0.9
    0.9
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    Direction of waves offshore
    Wednesday (4 February 2026)
    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 Cloudy Cloudy Sunny intervals Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ESE
    10
    E
    10
    E
    11
    E
    12
    E
    13
    ESE
    14
    E
    14
    ESE
    14
    Wind gust (mph)
    22
    23
    23
    25
    27
    27
    27
    28
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    G
    G
    Humidity
    91%
    89%
    91%
    90%
    81%
    77%
    84%
    85%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    10
    10
    11
    12
    13
    14
    14
    14
    Height of waves offshore (m)
    0.9
    0.9
    1.1
    1.1
    0.9
    0.8
    0.6
    0.6
    Period of waves offshore (s)
    6
    6
    6
    6
    6
    6
    5
    5
    Direction of waves offshore
    Thursday (5 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    E
    14
    E
    15
    E
    16
    E
    17
    E
    18
    E
    17
    E
    16
    E
    16
    Wind gust (mph)
    30
    31
    32
    34
    34
    33
    32
    32
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    86%
    86%
    86%
    84%
    80%
    78%
    82%
    82%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    14
    Height of waves offshore (m)
    0.8
    Period of waves offshore (s)
    5
    Direction of waves offshore

    Tide times

    Friday 30 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 30 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 30 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 30 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 31 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 31 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 31 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 31 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 1 February

    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 1 February

    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 1 February

    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 1 February

    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 2 February

    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 2 February

    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 2 February

    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 2 February

    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 3 February

    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 3 February

    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 3 February

    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 3 February

    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 4 February

    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 4 February

    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 4 February

    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 4 February

    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 5 February

    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 5 February

    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 5 February

    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 5 February

    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 alerts icon
    Flood alerts in force for Wales
    Flood alerts in force for Wales

    Wales weather forecast

    Headline:

    Brightening up for a time, more rain later.

    Today:

    A damp start with hill fog and patchy rain and drizzle. Brightening up from the south with occasional sunny intervals. Further rain pushing northwards later. Feeling much milder, especially in any sunshine, but freshening easterly winds again later. Maximum temperature 9 °C.

    Tonight:

    Bands of rain spreading north across Wales this evening merging into longer spells of rain overnight. Occasional clear spells in northern and western areas. Windy at times. Remaining largely frost-free. Minimum temperature 3 °C.

    Saturday:

    Cloudy for many with spells of rain through the morning, though tending to become drier with just a few showers by the afternoon. Brightest in the west. Winds gradually easing. Maximum temperature 8 °C.

    Outlook for Sunday to Tuesday:

    Drier on Sunday with low cloud and fog lingering for some, although most seeing the sunshine break through. Increasingly unsettled early next week with wet and windy weather at times.

    Updated:

    UK long range weather forecast

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