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

Cloudy changing to sunny intervals by late morning.
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 (2.2m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Caswell Bay

    Today (1 July 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 Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    17°
    17°
    18°
    18°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    19°
    19°
    18°
    17°
    16°
    15°
    Feels like temperature (°C)
    18°
    18°
    18°
    19°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    19°
    18°
    18°
    18°
    17°
    17°
    16°
    15°
    Wind direction and speed
    NW
    3
    WNW
    3
    WNW
    4
    WNW
    4
    W
    4
    WSW
    5
    WSW
    6
    WSW
    7
    WSW
    8
    WSW
    8
    WSW
    9
    WSW
    9
    WSW
    9
    W
    9
    WNW
    9
    NW
    9
    NW
    7
    NW
    6
    NW
    7
    Wind gust (mph)
    6
    7
    8
    9
    10
    12
    14
    15
    17
    18
    18
    18
    18
    20
    21
    19
    17
    16
    17
    Visibility
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    94%
    93%
    91%
    85%
    85%
    83%
    80%
    81%
    83%
    84%
    84%
    83%
    84%
    84%
    83%
    81%
    81%
    84%
    85%
    UV 1 1 1 1 2 4 4 7 7 6 5 3 2 1 1 1 1 - -
    Wind direction and speed
    3
    3
    3
    4
    4
    5
    6
    7
    8
    9
    9
    9
    9
    9
    9
    8
    7
    6
    7
    Height of waves offshore (m)
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.6
    0.7
    0.7
    0.7
    0.7
    0.6
    0.6
    Period of waves offshore (s)
    11
    11
    11
    11
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Wednesday (2 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 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 intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    20%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    15°
    14°
    14°
    13°
    13°
    12°
    13°
    14°
    15°
    17°
    18°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    19°
    18°
    16°
    15°
    14°
    Feels like temperature (°C)
    14°
    13°
    12°
    12°
    12°
    11°
    12°
    13°
    14°
    15°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    15°
    14°
    13°
    Wind direction and speed (mph)
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    NW
    8
    NW
    7
    NNW
    6
    NNW
    7
    NNW
    7
    NNW
    8
    NNW
    7
    NW
    8
    NW
    9
    WNW
    10
    WNW
    11
    WNW
    11
    WNW
    11
    NW
    10
    NW
    10
    NW
    10
    NW
    8
    NW
    7
    NW
    6
    NNW
    5
    Wind gust (mph)
    18
    20
    20
    20
    18
    17
    15
    15
    15
    17
    18
    20
    23
    23
    24
    25
    26
    24
    24
    22
    20
    17
    13
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    86%
    86%
    87%
    87%
    87%
    88%
    86%
    78%
    71%
    65%
    58%
    51%
    51%
    47%
    47%
    44%
    43%
    42%
    42%
    43%
    54%
    60%
    67%
    75%
    UV - - - - - 1 1 1 2 4 5 7 7 8 7 6 5 3 2 1 1 1 - -
    Wind direction and speed (mph)
    8
    9
    9
    8
    8
    7
    6
    7
    7
    8
    8
    8
    9
    10
    11
    11
    11
    11
    10
    10
    9
    7
    6
    5
    Height of waves offshore (m)
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.4
    0.5
    0.5
    0.5
    0.5
    0.6
    0.6
    0.7
    0.7
    0.6
    0.6
    Period of waves offshore (s)
    10
    10
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Thursday (3 July 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    12°
    11°
    13°
    18°
    19°
    20°
    19°
    15°
    Feels like temperature (°C)
    12°
    11°
    10°
    13°
    17°
    17°
    18°
    17°
    14°
    Wind direction and speed (mph)
    NNW
    5
    NNW
    4
    N
    3
    NNE
    3
    SSW
    4
    WSW
    9
    W
    10
    WNW
    9
    NW
    6
    Wind gust (mph)
    10
    8
    7
    9
    15
    21
    21
    19
    15
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    Humidity
    82%
    83%
    87%
    79%
    59%
    52%
    50%
    56%
    72%
    UV - - - 1 5 8 5 1 -
    Wind direction and speed (mph)
    5
    4
    4
    3
    4
    9
    10
    9
    6
    Height of waves offshore (m)
    0.5
    0.5
    0.4
    0.4
    0.5
    0.5
    0.5
    0.6
    0.5
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    9
    9
    8
    8
    Direction of waves offshore
    Friday (4 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Clear night Sunny day Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    30%
    Temperature (°C)
    12°
    11°
    14°
    18°
    19°
    19°
    18°
    17°
    Feels like temperature (°C)
    12°
    11°
    14°
    17°
    17°
    17°
    16°
    15°
    Wind direction and speed (mph)
    NNW
    4
    NNW
    4
    NNW
    4
    WSW
    8
    WSW
    11
    WSW
    12
    W
    11
    WSW
    10
    Wind gust (mph)
    8
    8
    11
    19
    23
    23
    21
    18
    Visibility (description)
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    Humidity
    85%
    88%
    82%
    66%
    63%
    64%
    69%
    79%
    UV - - 1 5 7 4 1 -
    Wind direction and speed (mph)
    4
    4
    4
    8
    11
    12
    11
    10
    Height of waves offshore (m)
    0.4
    0.3
    0.3
    0.3
    0.3
    0.4
    0.5
    0.5
    Period of waves offshore (s)
    8
    8
    8
    8
    8
    8
    8
    8
    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 Cloudy Light rain Light rain Light rain Light rain Drizzle Overcast Drizzle
    Chance of precipitation
    50%
    60%
    60%
    60%
    50%
    50%
    40%
    40%
    Temperature (°C)
    16°
    16°
    16°
    17°
    18°
    18°
    18°
    17°
    Feels like temperature (°C)
    14°
    14°
    15°
    16°
    16°
    17°
    16°
    16°
    Wind direction and speed (mph)
    WSW
    10
    WSW
    11
    WSW
    11
    WSW
    12
    WSW
    13
    WSW
    13
    WSW
    11
    W
    9
    Wind gust (mph)
    17
    20
    25
    25
    26
    25
    22
    18
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    Humidity
    85%
    92%
    94%
    92%
    90%
    92%
    92%
    95%
    UV - - 1 3 3 2 1 -
    Wind direction and speed (mph)
    10
    11
    11
    12
    13
    13
    11
    9
    Height of waves offshore (m)
    0.6
    0.8
    1.0
    1.2
    1.3
    1.5
    1.6
    1.7
    Period of waves offshore (s)
    4
    5
    5
    6
    6
    6
    6
    7
    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 Drizzle Drizzle Drizzle Drizzle Cloudy Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    20%
    Temperature (°C)
    16°
    15°
    15°
    16°
    18°
    18°
    18°
    16°
    Feels like temperature (°C)
    15°
    15°
    14°
    15°
    16°
    17°
    16°
    15°
    Wind direction and speed (mph)
    W
    8
    W
    8
    WNW
    8
    WNW
    10
    WNW
    11
    WNW
    12
    WNW
    10
    WNW
    8
    Wind gust (mph)
    16
    18
    19
    24
    25
    25
    22
    15
    Visibility (description)
    M
    M
    G
    G
    G
    G
    VG
    VG
    Humidity
    95%
    95%
    92%
    85%
    80%
    74%
    78%
    84%
    UV - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    8
    8
    8
    10
    11
    12
    10
    8
    Height of waves offshore (m)
    2.0
    1.8
    1.7
    1.6
    Period of waves offshore (s)
    8
    8
    8
    9
    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 Partly cloudy night Cloudy Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    10%
    10%
    Temperature (°C)
    15°
    14°
    14°
    16°
    18°
    18°
    18°
    16°
    Feels like temperature (°C)
    14°
    13°
    13°
    15°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    WNW
    7
    WNW
    8
    NW
    8
    WNW
    10
    WNW
    12
    WNW
    12
    WNW
    10
    W
    7
    Wind gust (mph)
    13
    16
    19
    23
    24
    23
    19
    14
    Visibility (description)
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    Humidity
    88%
    90%
    86%
    78%
    68%
    67%
    68%
    82%
    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

    Tuesday 1 July

    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 1 July

    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 1 July

    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 1 July

    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 2 July

    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 2 July

    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 2 July

    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 2 July

    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 3 July

    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 3 July

    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 3 July

    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 3 July

    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 4 July

    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 4 July

    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 4 July

    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 4 July

    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 5 July

    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 5 July

    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 5 July

    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 5 July

    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 6 July

    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 6 July

    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 6 July

    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 6 July

    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 7 July

    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 7 July

    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 7 July

    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 7 July

    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

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Drizzly in the north and west. Some warm sunshine elsewhere.

    Today:

    Often rather cloudy in the north and west with some hill fog and patchy drizzle for a while. Some bright spells developing elsewhere at times during the day. Feeling quite warm in the sunshine, and generally humid. Maximum temperature 23 °C.

    Tonight:

    A mostly dry evening and night is expected across the country. It will be fairly cloudy at first, though some decent clear spells developing. Remaining fairly warm, with light winds. Minimum temperature 13 °C.

    Wednesday:

    Wednesday looks set to be a largely dry day with a fair amount of sunshine. Perhaps an isolated shower developing, mainly in the east. Feeling fresher than of late. Maximum temperature 23 °C.

    Outlook for Thursday to Saturday:

    A ridge of high pressure will give a mostly settled day on Thursday, with some sunshine. Clouding over on Friday with damp and breezy conditions developing heading into Saturday.

    Updated:

    UK long range weather forecast

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