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Caswell Bay (Swansea) 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

Light rain.
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 (3.2m) at

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

    7 day forecast for Caswell Bay

    Today (13 November 2025)
    Time
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Cloudy Light rain Heavy rain Heavy rain Heavy rain
    Chance of precipitation
    40%
    80%
    90%
    90%
    90%
    Temperature
    13°
    13°
    13°
    13°
    12°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    11°
    Wind direction and speed
    E
    7
    E
    8
    ENE
    8
    E
    9
    ENE
    10
    Wind gust (mph)
    18
    21
    23
    25
    26
    Visibility
    G
    G
    G
    G
    M
    Humidity
    85%
    87%
    90%
    92%
    92%
    UV - - - - -
    Wind direction and speed
    7
    8
    8
    9
    10
    Height of waves offshore (m)
    0.9
    0.9
    0.9
    0.9
    0.9
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    Direction of waves offshore
    Friday (14 November 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 Overcast Overcast Overcast Cloudy Cloudy Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light shower night Overcast
    Chance of precipitation
    80%
    40%
    20%
    20%
    40%
    40%
    70%
    90%
    90%
    90%
    90%
    90%
    90%
    90%
    70%
    80%
    80%
    90%
    ≥95%
    90%
    90%
    70%
    50%
    40%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    ENE
    10
    ENE
    11
    ENE
    13
    ENE
    15
    ENE
    15
    ENE
    16
    ENE
    16
    ENE
    17
    ENE
    17
    ENE
    17
    ENE
    18
    ENE
    19
    ENE
    19
    ENE
    19
    ENE
    18
    ENE
    18
    ENE
    18
    ENE
    17
    ENE
    16
    ENE
    15
    ENE
    14
    ENE
    13
    E
    11
    E
    10
    Wind gust (mph)
    28
    31
    33
    34
    34
    35
    35
    35
    35
    36
    38
    38
    39
    39
    37
    36
    34
    31
    32
    27
    24
    23
    20
    19
    Visibility (description)
    M
    VG
    E
    E
    E
    E
    E
    G
    M
    M
    M
    M
    M
    M
    M
    G
    G
    VG
    G
    M
    G
    G
    VG
    VG
    Humidity
    92%
    92%
    87%
    86%
    86%
    87%
    88%
    91%
    91%
    91%
    90%
    88%
    89%
    90%
    91%
    90%
    90%
    90%
    91%
    92%
    92%
    92%
    92%
    92%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    10
    11
    13
    15
    15
    16
    16
    17
    17
    17
    18
    19
    19
    19
    18
    18
    18
    17
    16
    15
    14
    13
    11
    10
    Height of waves offshore (m)
    0.8
    0.8
    0.8
    0.7
    0.8
    0.8
    0.8
    0.8
    0.8
    0.8
    0.9
    0.9
    0.9
    0.8
    0.8
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.8
    0.8
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Saturday (15 November 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 Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night 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
    40%
    30%
    30%
    20%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    12°
    13°
    13°
    14°
    14°
    14°
    14°
    13°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    12°
    12°
    13°
    12°
    12°
    11°
    10°
    10°
    10°
    10°
    Wind direction and speed (mph)
    E
    10
    E
    10
    E
    10
    E
    9
    E
    9
    E
    9
    ENE
    9
    ENE
    9
    ENE
    9
    ENE
    9
    E
    9
    E
    9
    E
    9
    E
    9
    E
    9
    ENE
    10
    ENE
    10
    ENE
    9
    ENE
    9
    ENE
    8
    ENE
    8
    ENE
    8
    ENE
    8
    ENE
    8
    Wind gust (mph)
    17
    17
    17
    19
    19
    21
    20
    20
    21
    22
    23
    22
    21
    20
    20
    19
    21
    22
    21
    21
    20
    20
    19
    19
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    92%
    92%
    93%
    93%
    92%
    92%
    92%
    92%
    92%
    91%
    87%
    86%
    85%
    84%
    83%
    83%
    85%
    86%
    86%
    86%
    86%
    86%
    86%
    86%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    10
    10
    10
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    10
    10
    9
    9
    8
    8
    8
    8
    8
    Height of waves offshore (m)
    1.1
    1.2
    1.2
    1.1
    1.1
    1.0
    1.0
    0.9
    0.9
    0.9
    0.9
    0.9
    0.8
    0.8
    0.8
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.6
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    8
    7
    7
    8
    8
    8
    8
    8
    Direction of waves offshore
    Sunday (16 November 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Clear night Clear night Clear night Clear night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    ENE
    8
    ENE
    8
    NE
    8
    NE
    8
    NE
    8
    NE
    7
    NE
    7
    NE
    7
    NE
    7
    NE
    7
    NE
    8
    NE
    9
    NE
    9
    NE
    10
    NE
    10
    NE
    9
    NE
    9
    NE
    8
    NNE
    7
    NNE
    7
    NNE
    7
    NNE
    6
    NNE
    6
    NNE
    6
    Wind gust (mph)
    19
    19
    19
    19
    18
    18
    17
    16
    17
    21
    21
    22
    21
    21
    21
    21
    21
    19
    18
    16
    16
    15
    14
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    86%
    86%
    86%
    86%
    86%
    86%
    86%
    86%
    85%
    82%
    78%
    74%
    71%
    70%
    72%
    74%
    74%
    75%
    75%
    75%
    75%
    76%
    78%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    8
    8
    8
    8
    8
    7
    7
    7
    7
    7
    8
    9
    9
    10
    10
    9
    9
    8
    7
    7
    7
    6
    6
    6
    Height of waves offshore (m)
    0.6
    0.5
    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
    0.5
    0.5
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    12
    Direction of waves offshore
    Monday (17 November 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 Clear night Clear night Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear 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%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNE
    6
    N
    6
    N
    6
    N
    6
    N
    7
    N
    6
    N
    6
    N
    6
    N
    6
    N
    5
    N
    6
    NNE
    6
    NNE
    6
    NNE
    6
    NNE
    6
    N
    5
    N
    4
    N
    4
    N
    4
    N
    3
    N
    3
    N
    3
    NNE
    3
    N
    3
    Wind gust (mph)
    15
    15
    16
    18
    18
    16
    15
    14
    13
    13
    14
    15
    14
    14
    12
    10
    9
    7
    6
    6
    6
    5
    5
    5
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    80%
    82%
    83%
    83%
    83%
    83%
    84%
    85%
    86%
    83%
    75%
    69%
    64%
    59%
    57%
    64%
    75%
    80%
    82%
    83%
    83%
    84%
    84%
    85%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 - - - - - - -
    Wind direction and speed (mph)
    6
    6
    6
    6
    7
    6
    6
    6
    6
    5
    6
    6
    6
    6
    6
    5
    4
    4
    4
    3
    3
    3
    3
    3
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    0.3
    0.3
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    12
    12
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    12
    12
    12
    12
    Direction of waves offshore
    Tuesday (18 November 2025)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNE
    3
    NNE
    3
    N
    4
    NNW
    4
    NW
    6
    NNW
    6
    NW
    5
    NNW
    5
    Wind gust (mph)
    6
    7
    7
    10
    10
    8
    6
    7
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    G
    G
    Humidity
    85%
    83%
    86%
    85%
    76%
    77%
    87%
    91%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    3
    3
    4
    4
    6
    6
    5
    5
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    12
    12
    12
    12
    12
    12
    12
    12
    Direction of waves offshore
    Wednesday (19 November 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 Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    40%
    40%
    40%
    40%
    30%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NNW
    6
    NNW
    7
    N
    8
    N
    8
    NNW
    10
    NNW
    9
    NNW
    7
    NNW
    7
    Wind gust (mph)
    7
    8
    8
    14
    18
    18
    15
    13
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    91%
    89%
    88%
    86%
    75%
    70%
    82%
    84%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    6
    Height of waves offshore (m)
    0.2
    Period of waves offshore (s)
    12
    Direction of waves offshore

    Tide times

    Thursday 13 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 13 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 13 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 13 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 14 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 14 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 14 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 14 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 15 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 15 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 15 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 15 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 16 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 16 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 16 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 16 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 17 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 17 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 17 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 17 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 18 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 18 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 18 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 18 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 19 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 19 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 19 November

    Tide times and heights are from Mumbles tidal station which is 2.7 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 19 November

    Tide times and heights are from Mumbles tidal station which is 2.7 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Caswell 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:

    Turning wet and windy overnight.

    This Evening and Tonight:

    Increasingly cloudy this evening with a few spots of rain, before a band of persistent rain arrives from the south overnight. Becoming much windier, and feeling chillier than recent nights. Minimum temperature 7 °C.

    Friday:

    Storm Claudia brings widespread rain, this heavy in many areas, leading to a risk of flooding and challenging driving conditions. Windy too, with severe gale force winds in places. Maximum temperature 12 °C.

    Outlook for Saturday to Monday:

    Turning more settled over the next few days with cloudy skies bringing a few showers at times, interspersed with bright or sunny spells. Light winds, but feeling colder for all.

    Updated:

    UK long range weather forecast

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