Portland Harbour - Castle Cove (Beach) (Dorset) 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

Overcast.
Beach safety today
Use caution in and out of the sea. Strong winds may blow you off course or affect your balance
  • • paddle boarding/kayaking not recommended at any level
  • • consider your abilities in all other activities, seek expert advice

Tide: Next high tide (3.3m) at

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

    7 day forecast for Portland Harbour - Castle Cove (Beach)

    Today (17 September 2025)
    Time
    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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    <5%
    <5%
    <5%
    20%
    30%
    20%
    20%
    30%
    40%
    30%
    20%
    20%
    20%
    20%
    Temperature
    17°
    17°
    17°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed
    SW
    23
    SW
    23
    SW
    24
    SW
    24
    SW
    23
    SW
    23
    SW
    22
    SW
    21
    SW
    21
    SW
    20
    SW
    20
    SW
    19
    SW
    18
    SW
    18
    Wind gust (mph)
    40
    40
    40
    39
    39
    38
    37
    35
    34
    33
    32
    32
    31
    30
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    M
    M
    M
    G
    G
    Humidity
    85%
    85%
    85%
    85%
    85%
    86%
    87%
    91%
    93%
    94%
    95%
    96%
    96%
    96%
    UV 2 2 3 3 3 2 1 1 1 1 - - - -
    Wind direction and speed
    23
    23
    23
    23
    23
    23
    22
    21
    21
    20
    19
    19
    18
    18
    Height of waves offshore (m)
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    2
    2
    2
    2
    5
    2
    2
    2
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Thursday (18 September 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SW
    17
    SW
    16
    SW
    16
    SW
    16
    SW
    17
    SW
    17
    SW
    17
    SW
    16
    SW
    16
    SW
    16
    SW
    17
    SW
    17
    SW
    17
    SW
    17
    SW
    17
    SW
    17
    SW
    16
    SW
    15
    SW
    14
    SW
    12
    SW
    10
    SW
    9
    SW
    9
    SSW
    8
    Wind gust (mph)
    29
    29
    28
    28
    28
    28
    27
    27
    27
    28
    28
    29
    29
    28
    28
    27
    25
    23
    20
    18
    16
    15
    15
    14
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    96%
    96%
    96%
    95%
    95%
    95%
    95%
    94%
    94%
    92%
    90%
    88%
    86%
    86%
    85%
    85%
    85%
    86%
    86%
    87%
    88%
    89%
    90%
    91%
    UV - - - - - - 1 1 1 1 2 2 3 3 2 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    17
    17
    16
    16
    16
    16
    16
    16
    17
    17
    17
    17
    17
    18
    17
    17
    16
    15
    14
    12
    11
    9
    9
    8
    Height of waves offshore (m)
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    0.2
    0.1
    0.1
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    5
    4
    2
    2
    2
    2
    2
    2
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Friday (19 September 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 Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Cloudy Overcast Cloudy 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 Cloudy Cloudy
    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)
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    15°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SSW
    8
    SSW
    7
    SSW
    6
    SSW
    6
    SSW
    6
    SSW
    6
    SW
    6
    SW
    6
    SSW
    6
    SSW
    8
    SSW
    9
    SSW
    9
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    10
    SW
    9
    SW
    7
    SW
    6
    SW
    6
    SW
    6
    Wind gust (mph)
    14
    12
    11
    11
    11
    10
    11
    11
    13
    15
    15
    15
    15
    14
    14
    17
    17
    15
    15
    12
    11
    10
    10
    10
    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
    91%
    92%
    92%
    93%
    93%
    93%
    93%
    93%
    91%
    86%
    85%
    85%
    83%
    82%
    82%
    83%
    84%
    85%
    86%
    88%
    91%
    92%
    92%
    93%
    UV - - - - - - 1 1 1 1 2 3 3 4 3 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    8
    7
    6
    6
    5
    6
    6
    6
    7
    8
    9
    9
    10
    10
    10
    10
    11
    10
    10
    9
    8
    7
    6
    6
    Height of waves offshore (m)
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    4
    4
    4
    3
    3
    6
    8
    11
    11
    11
    10
    8
    5
    3
    5
    6
    8
    8
    8
    8
    8
    8
    8
    8
    Direction of waves offshore
    Saturday (20 September 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    30%
    40%
    40%
    50%
    50%
    50%
    40%
    30%
    30%
    30%
    20%
    30%
    30%
    30%
    20%
    20%
    20%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    15°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    16°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    6
    SSW
    6
    SW
    6
    SW
    6
    SSW
    6
    SW
    6
    SW
    7
    SSW
    7
    SW
    7
    SW
    9
    SW
    10
    SW
    11
    WSW
    11
    WSW
    12
    WSW
    13
    SW
    13
    WSW
    14
    SW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    15
    WSW
    15
    Wind gust (mph)
    11
    12
    12
    11
    12
    13
    15
    17
    18
    17
    19
    20
    18
    20
    20
    21
    23
    24
    24
    26
    23
    25
    25
    25
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    VG
    E
    E
    Humidity
    93%
    94%
    93%
    93%
    93%
    93%
    93%
    94%
    93%
    92%
    89%
    89%
    88%
    86%
    79%
    81%
    80%
    78%
    77%
    79%
    80%
    79%
    79%
    80%
    UV - - - - - - 1 1 1 1 1 2 2 3 3 2 2 1 1 1 - - - -
    Wind direction and speed (mph)
    6
    7
    6
    6
    6
    6
    7
    7
    8
    9
    10
    10
    11
    12
    13
    13
    14
    14
    14
    14
    14
    14
    13
    13
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.3
    0.3
    0.6
    1.0
    1.3
    1.5
    1.8
    2.0
    2.0
    Period of waves offshore (s)
    8
    8
    8
    9
    10
    10
    10
    9
    9
    9
    9
    9
    8
    7
    6
    5
    5
    5
    5
    5
    5
    6
    7
    8
    Direction of waves offshore
    Sunday (21 September 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 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    30%
    30%
    40%
    30%
    30%
    40%
    30%
    30%
    30%
    30%
    40%
    50%
    40%
    50%
    50%
    40%
    40%
    40%
    40%
    30%
    30%
    20%
    Temperature (°C)
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    12°
    12°
    11°
    11°
    11°
    Feels like temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    10°
    9°
    9°
    9°
    8°
    Wind direction and speed (mph)
    WSW
    14
    WSW
    14
    WSW
    13
    W
    13
    W
    12
    W
    12
    W
    12
    W
    12
    NW
    12
    NW
    12
    NNW
    12
    N
    13
    NNW
    13
    NNW
    13
    NW
    13
    NNE
    14
    N
    13
    NNE
    13
    NNE
    13
    N
    12
    N
    12
    NNE
    12
    NNE
    12
    NNE
    11
    Wind gust (mph)
    24
    24
    21
    21
    19
    17
    17
    15
    15
    14
    14
    14
    15
    14
    14
    15
    16
    19
    17
    19
    23
    24
    24
    24
    Visibility (description)
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    81%
    78%
    81%
    80%
    82%
    82%
    83%
    82%
    76%
    70%
    68%
    66%
    64%
    64%
    66%
    68%
    68%
    72%
    75%
    77%
    79%
    80%
    80%
    UV - - - - - - 1 1 1 1 3 3 4 4 3 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    13
    12
    12
    12
    11
    11
    11
    10
    11
    11
    11
    12
    12
    13
    13
    13
    14
    14
    13
    13
    13
    12
    12
    12
    Height of waves offshore (m)
    2.1
    2.1
    2.0
    1.8
    1.7
    1.5
    1.3
    1.2
    1.0
    0.9
    0.7
    0.6
    0.6
    0.5
    0.5
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    10
    11
    11
    12
    12
    11
    9
    8
    8
    7
    7
    7
    7
    6
    6
    6
    6
    6
    6
    6
    6
    6
    6
    5
    Direction of waves offshore
    Monday (22 September 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 Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    20%
    10%
    10%
    <5%
    10%
    10%
    10%
    10%
    Temperature (°C)
    10°
    10°
    9°
    8°
    12°
    15°
    15°
    12°
    10°
    Feels like temperature (°C)
    8°
    8°
    7°
    5°
    9°
    12°
    12°
    10°
    8°
    Wind direction and speed (mph)
    NNE
    11
    NNE
    11
    NNE
    11
    NNE
    11
    NNE
    13
    NNE
    14
    NNE
    14
    NNE
    12
    NNE
    10
    Wind gust (mph)
    24
    21
    21
    26
    28
    27
    25
    18
    17
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    81%
    83%
    84%
    70%
    55%
    50%
    60%
    69%
    UV - - - 1 3 4 2 1 -
    Wind direction and speed (mph)
    12
    11
    11
    11
    12
    14
    14
    11
    10
    Height of waves offshore (m)
    0.2
    0.3
    0.3
    0.4
    0.5
    0.5
    0.5
    0.5
    0.7
    Period of waves offshore (s)
    5
    4
    2
    3
    3
    3
    4
    7
    7
    Direction of waves offshore
    Tuesday (23 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    <5%
    <5%
    10%
    10%
    20%
    20%
    10%
    Temperature (°C)
    9°
    8°
    8°
    12°
    15°
    15°
    13°
    11°
    Feels like temperature (°C)
    6°
    5°
    5°
    10°
    12°
    13°
    11°
    9°
    Wind direction and speed (mph)
    NNE
    10
    NNE
    9
    NNE
    10
    NNE
    12
    NNE
    14
    NNE
    13
    NNE
    11
    NNE
    10
    Wind gust (mph)
    16
    16
    19
    21
    21
    19
    13
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    76%
    81%
    84%
    68%
    58%
    55%
    69%
    78%
    UV - - 1 3 4 2 1 -
    Wind direction and speed (mph)
    9
    		 – – – – – – –
    Height of waves offshore (m) – – – – – – – –
    Period of waves offshore (s) – – – – – – – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    –

    Tide times

    Wednesday 17 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 17 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 17 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 17 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 18 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 18 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 18 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 18 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 19 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 19 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 19 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 19 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 20 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 20 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 20 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 20 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 21 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 21 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 21 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 21 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 22 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 23 September

    Tide times and heights are from Chesil Cove tidal station which is 2.1 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 explained

    UK video forecast

    Portland Harbour - Castle Cove (Beach) weather map

    View the weather with our interactive map

    Loading map...
    Forecast for 10:00, Wed
    Updated 08:00 (UTC+1) on Wed 17 Sep 2025
    WARNING
    Flood warnings icon
    Flood warnings in force for England
    Flood warnings in force for England

    Environment Agency

    Updated:

    South West England weather forecast

    Headline:

    Cloudy with outbreaks of rain. Breezy.

    Today:

    Heavy, persistent rain clearing eastwards through the morning, though remaining mostly cloudy with rain and drizzle at times, mainly in the north and over the hills. Breezy and staying rather mild. Maximum temperature 20 °C.

    Tonight:

    Cloudy this evening with further spells of rain and drizzle intermittently through the night. Remaining windy and feeling rather muggy overnight. Minimum temperature 14 °C.

    Thursday:

    A cloudy and mild start to Thursday with some drizzle in places. Turning drier and somewhat brighter through the afternoon with sunny intervals. Feeling humid and staying windy. Maximum temperature 20 °C.

    Outlook for Friday to Sunday:

    Remaining changeable with showers or longer spells of rain at times. Some brighter periods are also likely, mainly on Friday. Temperatures close to average but turning colder later Sunday. Breezy.

    Updated:

    UK long range weather forecast

    More from the Met Office