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 partly cloudy by nighttime.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, the wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding not recommended for beginners/intermediate

Tide: Next low tide (1.5m) at

Sunrise iconSunrise:
Sunset iconSunset:
VH UV
L Pollution

    7 day forecast for Porth Swtan / Church Bay

    Today (2 July 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 Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    30%
    30%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    12°
    13°
    14°
    15°
    15°
    15°
    15°
    15°
    16°
    17°
    17°
    17°
    16°
    16°
    16°
    15°
    14°
    13°
    Feels like temperature (°C)
    10°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    14°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    13°
    12°
    Wind direction and speed
    NNW
    9
    NNW
    9
    NNW
    10
    NNW
    11
    NW
    12
    NW
    13
    NW
    12
    WNW
    11
    WNW
    10
    W
    9
    W
    9
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    10
    WSW
    9
    WSW
    7
    WSW
    7
    Wind gust (mph)
    17
    18
    21
    21
    23
    22
    20
    17
    16
    14
    17
    19
    20
    21
    19
    17
    15
    14
    Visibility
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    81%
    76%
    74%
    69%
    67%
    67%
    68%
    67%
    61%
    58%
    57%
    57%
    62%
    65%
    68%
    75%
    85%
    86%
    UV 1 1 2 3 5 6 7 8 7 6 5 3 2 1 1 1 - -
    Wind direction and speed
    9
    9
    10
    11
    12
    13
    12
    11
    10
    9
    9
    10
    10
    10
    10
    9
    7
    7
    Height of waves offshore (m)
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    3
    3
    3
    4
    4
    Direction of waves offshore
    Thursday (3 July 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 Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    20%
    10%
    20%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    14°
    15°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    11°
    10°
    11°
    13°
    13°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    W
    7
    W
    7
    WNW
    7
    WNW
    7
    WNW
    7
    W
    7
    W
    7
    W
    8
    WSW
    9
    WSW
    9
    SW
    10
    SW
    11
    SW
    12
    SW
    13
    SW
    14
    SSW
    14
    SSW
    15
    SSW
    14
    SSW
    14
    SSW
    13
    SW
    12
    SW
    11
    SW
    10
    SW
    9
    Wind gust (mph)
    14
    14
    13
    14
    14
    14
    14
    15
    16
    17
    19
    21
    23
    23
    24
    25
    26
    25
    25
    24
    22
    21
    20
    20
    Visibility (description)
    VG
    VG
    E
    E
    E
    E
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    86%
    86%
    85%
    84%
    84%
    85%
    83%
    74%
    67%
    65%
    64%
    64%
    65%
    63%
    63%
    64%
    66%
    67%
    74%
    75%
    76%
    84%
    85%
    87%
    UV - - - - 1 1 1 1 2 3 5 6 7 7 7 6 5 3 2 1 1 1 - -
    Wind direction and speed (mph)
    7
    7
    7
    7
    7
    7
    7
    8
    9
    9
    10
    11
    12
    13
    14
    15
    15
    14
    14
    13
    12
    11
    9
    9
    Height of waves offshore (m)
    0.3
    0.3
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.4
    0.4
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.6
    0.5
    0.5
    0.4
    0.4
    Period of waves offshore (s)
    4
    3
    3
    4
    4
    4
    3
    3
    3
    3
    3
    3
    3
    4
    3
    3
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Friday (4 July 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Clear night Sunny day Sunny intervals Sunny intervals Cloudy Light rain Light rain Light rain
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    50%
    60%
    70%
    50%
    Temperature (°C)
    15°
    14°
    13°
    15°
    16°
    17°
    16°
    16°
    15°
    Feels like temperature (°C)
    13°
    13°
    12°
    13°
    13°
    13°
    13°
    12°
    12°
    Wind direction and speed (mph)
    SW
    9
    WSW
    8
    SW
    8
    SW
    12
    SSW
    17
    SSW
    21
    SSW
    21
    SSW
    20
    SSW
    19
    Wind gust (mph)
    19
    18
    21
    28
    33
    38
    40
    39
    35
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    VG
    VG
    VG
    Humidity
    87%
    87%
    86%
    79%
    73%
    73%
    82%
    87%
    91%
    UV - - 1 1 4 6 3 1 -
    Wind direction and speed (mph)
    9
    8
    8
    12
    17
    20
    21
    20
    19
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.6
    0.8
    0.8
    1.1
    1.2
    1.2
    Period of waves offshore (s)
    3
    3
    4
    4
    4
    5
    6
    6
    7
    Direction of waves offshore
    Saturday (5 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Cloudy Cloudy Overcast Overcast
    Chance of precipitation
    30%
    30%
    20%
    20%
    10%
    20%
    20%
    20%
    Temperature (°C)
    15°
    15°
    15°
    17°
    18°
    18°
    17°
    16°
    Feels like temperature (°C)
    12°
    12°
    13°
    15°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SW
    17
    SW
    15
    SW
    13
    SW
    13
    SW
    14
    SSW
    14
    SSW
    13
    SW
    11
    Wind gust (mph)
    32
    27
    25
    24
    24
    24
    24
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    E
    VG
    VG
    Humidity
    93%
    94%
    94%
    90%
    82%
    80%
    85%
    89%
    UV - 1 1 4 5 3 1 -
    Wind direction and speed (mph)
    18
    16
    13
    13
    14
    14
    12
    11
    Height of waves offshore (m)
    1.1
    0.9
    0.8
    0.7
    0.7
    0.7
    0.7
    0.6
    Period of waves offshore (s)
    7
    7
    6
    4
    4
    5
    5
    6
    Direction of waves offshore
    Sunday (6 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    30%
    30%
    30%
    20%
    30%
    40%
    40%
    Temperature (°C)
    15°
    15°
    14°
    15°
    17°
    17°
    16°
    15°
    Feels like temperature (°C)
    14°
    13°
    12°
    13°
    14°
    15°
    15°
    14°
    Wind direction and speed (mph)
    W
    11
    W
    11
    W
    11
    W
    12
    WSW
    13
    WSW
    12
    W
    11
    WNW
    9
    Wind gust (mph)
    23
    25
    22
    23
    23
    22
    20
    16
    Visibility (description)
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    Humidity
    87%
    87%
    85%
    80%
    76%
    72%
    78%
    88%
    UV - 1 1 3 5 4 1 -
    Wind direction and speed (mph)
    11
    11
    11
    13
    13
    12
    11
    9
    Height of waves offshore (m)
    0.8
    1.0
    1.1
    1.3
    1.2
    0.9
    0.7
    0.9
    Period of waves offshore (s)
    4
    5
    5
    6
    6
    5
    5
    5
    Direction of waves offshore
    Monday (7 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    50%
    50%
    40%
    30%
    20%
    20%
    10%
    10%
    Temperature (°C)
    14°
    13°
    13°
    15°
    17°
    18°
    17°
    14°
    Feels like temperature (°C)
    13°
    12°
    12°
    13°
    14°
    15°
    15°
    13°
    Wind direction and speed (mph)
    NW
    9
    NW
    10
    NW
    11
    NW
    12
    NW
    13
    NW
    11
    NW
    11
    NNW
    8
    Wind gust (mph)
    20
    23
    25
    25
    25
    23
    19
    12
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    Humidity
    88%
    91%
    88%
    81%
    72%
    65%
    66%
    84%
    UV - - 1 4 7 5 1 -
    Wind direction and speed (mph)
    9
    10
    11
    12
    13
    11
    11
    8
    Height of waves offshore (m)
    1.0
    1.1
    1.2
    1.2
    Period of waves offshore (s)
    5
    5
    5
    6
    Direction of waves offshore
    Tuesday (8 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    13°
    12°
    13°
    16°
    17°
    18°
    17°
    14°
    Feels like temperature (°C)
    12°
    11°
    12°
    14°
    16°
    16°
    15°
    13°
    Wind direction and speed (mph)
    NNW
    7
    NW
    7
    NW
    8
    NW
    9
    WNW
    10
    WSW
    10
    SW
    10
    SSW
    8
    Wind gust (mph)
    10
    11
    20
    22
    22
    20
    16
    10
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    92%
    85%
    71%
    65%
    62%
    67%
    87%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Wednesday 2 July

    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 2 July

    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 2 July

    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 2 July

    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 3 July

    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 3 July

    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 3 July

    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 3 July

    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 4 July

    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 4 July

    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 4 July

    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 4 July

    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 5 July

    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 5 July

    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 5 July

    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 5 July

    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 6 July

    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 6 July

    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 6 July

    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 6 July

    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 7 July

    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 7 July

    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 7 July

    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 7 July

    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 8 July

    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 8 July

    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 8 July

    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 8 July

    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:

    Warm sunny spells developing, but feeling a little fresher.

    Today:

    Early cloud in the east quickly clearing east this morning to leave a mostly fine day with plenty of warm sunny spells. Perhaps the odd shower developing later in the west. Feeling fresher than in recent days. Maximum temperature 22 °C.

    Tonight:

    It will be a fine evening with a dry night to follow. Winds remaining light with plenty of clear spells. Feeling fresher than of late. Minimum temperature 9 °C.

    Thursday:

    Thursday will be a fine day with plenty of warm sunny spells for all. A little fair weather cloud developing and winds remaining light. Maximum temperature 21 °C.

    Outlook for Friday to Sunday:

    Mostly dry on Friday, but turning cloudier and breezier later. Spells of rain or showers over the weekend and rather breezy on Saturday. Temperatures near the seasonal norm.

    Updated:

    UK long range weather forecast

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