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

Sunny changing to overcast by lunchtime.
Beach safety today
Caution: strong winds may affect your paddling
  • • paddleboarding not recommended for beginners/intermediate
  • • experienced paddlers should use caution

Tide: Next low tide (1.5m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

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

    Today (12 May 2026)
    Time
    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 Cloudy Overcast Cloudy Overcast Overcast Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    10°
    11°
    12°
    13°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    14°
    13°
    11°
    10°
    10°
    Feels like temperature (°C)
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    12°
    11°
    Wind direction and speed
    NNW
    6
    NW
    7
    WNW
    8
    WNW
    9
    W
    10
    WSW
    12
    WSW
    13
    WSW
    13
    W
    14
    NW
    14
    WNW
    13
    WNW
    12
    WNW
    11
    WNW
    10
    WNW
    11
    WNW
    12
    Wind gust (mph)
    15
    16
    17
    19
    21
    23
    24
    26
    27
    27
    24
    23
    22
    22
    24
    26
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    68%
    64%
    60%
    59%
    62%
    65%
    66%
    67%
    63%
    57%
    53%
    50%
    54%
    61%
    67%
    73%
    UV 2 3 4 5 4 4 4 3 3 2 1 1 1 - - -
    Wind direction and speed
    6
    7
    8
    9
    10
    12
    13
    13
    14
    14
    13
    12
    11
    10
    11
    12
    Height of waves offshore (m)
    0.0
    0.0
    0.0
    0.0
    0.0
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.2
    0.2
    0.1
    0.1
    0.0
    Period of waves offshore (s)
    3
    3
    3
    4
    4
    4
    4
    4
    4
    4
    2
    2
    2
    2
    2
    2
    Direction of waves offshore
    Wednesday (13 May 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 Clear night Clear night Clear night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    30%
    80%
    90%
    90%
    80%
    60%
    30%
    20%
    10%
    30%
    30%
    40%
    60%
    70%
    70%
    70%
    60%
    80%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    10°
    Wind direction and speed (mph)
    W
    13
    W
    15
    W
    16
    W
    16
    W
    17
    W
    19
    W
    19
    W
    20
    W
    20
    W
    20
    W
    20
    WNW
    20
    WNW
    20
    WNW
    20
    WNW
    20
    WNW
    19
    WNW
    19
    WNW
    19
    WNW
    18
    WNW
    17
    WNW
    16
    WNW
    15
    WNW
    14
    WNW
    14
    Wind gust (mph)
    28
    30
    30
    31
    31
    32
    34
    36
    37
    40
    39
    38
    38
    38
    38
    38
    38
    37
    37
    36
    35
    34
    32
    32
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    Humidity
    76%
    77%
    79%
    77%
    75%
    75%
    72%
    73%
    73%
    70%
    68%
    61%
    56%
    51%
    50%
    45%
    46%
    52%
    53%
    61%
    71%
    75%
    76%
    79%
    UV - - - - - 1 1 1 1 2 4 4 6 6 4 4 3 2 1 1 1 - - -
    Wind direction and speed (mph)
    13
    15
    16
    16
    17
    19
    19
    20
    20
    20
    20
    20
    20
    20
    20
    19
    19
    19
    18
    17
    16
    15
    14
    14
    Height of waves offshore (m)
    0.1
    0.1
    0.2
    0.2
    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
    0.3
    0.2
    0.2
    0.3
    0.2
    Period of waves offshore (s)
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    Direction of waves offshore
    Thursday (14 May 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 Light shower night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    60%
    50%
    40%
    50%
    50%
    40%
    40%
    40%
    50%
    40%
    40%
    50%
    70%
    80%
    70%
    70%
    70%
    70%
    70%
    50%
    50%
    40%
    30%
    20%
    Temperature (°C)
    10°
    11°
    11°
    11°
    11°
    12°
    12°
    12°
    11°
    11°
    10°
    Feels like temperature (°C)
    10°
    Wind direction and speed (mph)
    WNW
    13
    WNW
    12
    WNW
    11
    WNW
    11
    WNW
    11
    WNW
    11
    WNW
    12
    NW
    12
    NW
    11
    NW
    11
    NNW
    12
    NW
    12
    NW
    12
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NNW
    10
    NNW
    10
    NW
    10
    NNW
    10
    NNW
    10
    NNW
    9
    NNW
    9
    Wind gust (mph)
    28
    28
    27
    28
    28
    27
    26
    26
    26
    25
    25
    24
    25
    25
    25
    25
    24
    25
    24
    23
    23
    21
    20
    20
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    Humidity
    80%
    82%
    84%
    84%
    84%
    83%
    83%
    79%
    77%
    71%
    62%
    59%
    57%
    60%
    64%
    62%
    60%
    58%
    62%
    66%
    72%
    77%
    80%
    81%
    UV - - - - - 1 1 1 2 3 4 4 4 5 4 3 2 1 1 1 1 - - -
    Wind direction and speed (mph)
    13
    12
    11
    11
    11
    11
    12
    12
    11
    11
    12
    12
    12
    11
    11
    11
    11
    10
    10
    10
    10
    10
    9
    9
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    5
    5
    2
    2
    2
    2
    2
    2
    8
    12
    12
    9
    Direction of waves offshore
    Friday (15 May 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 Partly cloudy night Partly cloudy night Clear night Clear night Clear night Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    20%
    10%
    10%
    <5%
    <5%
    10%
    <5%
    <5%
    <5%
    10%
    10%
    20%
    30%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    10%
    10%
    Temperature (°C)
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    Wind direction and speed (mph)
    NNW
    9
    NNW
    9
    NNW
    9
    NNW
    9
    NNW
    9
    N
    9
    NNW
    9
    NNW
    9
    NNW
    9
    NNW
    8
    NNW
    8
    NNW
    9
    NW
    9
    NNW
    10
    NW
    10
    NW
    10
    WNW
    10
    WNW
    10
    WNW
    10
    WNW
    10
    NW
    9
    NW
    9
    NW
    8
    NW
    8
    Wind gust (mph)
    19
    19
    19
    19
    19
    19
    18
    18
    18
    18
    18
    18
    20
    19
    20
    21
    21
    21
    20
    21
    20
    20
    19
    19
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    83%
    84%
    84%
    84%
    85%
    85%
    80%
    74%
    65%
    59%
    54%
    49%
    44%
    44%
    45%
    47%
    49%
    50%
    55%
    58%
    64%
    67%
    68%
    UV - - - - - 1 1 1 2 3 4 5 5 6 6 4 3 1 1 1 1 - - -
    Wind direction and speed (mph)
    9
    9
    9
    9
    9
    9
    9
    9
    9
    8
    8
    9
    9
    10
    10
    10
    10
    10
    10
    10
    9
    9
    8
    8
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.2
    0.2
    0.2
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.0
    0.0
    0.0
    0.0
    0.1
    0.1
    0.1
    0.1
    0.2
    0.2
    Period of waves offshore (s)
    9
    5
    3
    2
    2
    2
    2
    2
    2
    10
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    6
    2
    2
    2
    Direction of waves offshore
    Saturday (16 May 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 Clear night Clear night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    30%
    20%
    20%
    20%
    20%
    30%
    Temperature (°C)
    10°
    11°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    11°
    10°
    Feels like temperature (°C)
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    Wind direction and speed (mph)
    NW
    8
    NW
    8
    NW
    8
    NW
    7
    NW
    7
    NW
    7
    NW
    6
    NW
    5
    WNW
    6
    WNW
    7
    W
    8
    WSW
    9
    WSW
    9
    WSW
    10
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    11
    WSW
    10
    WSW
    9
    WSW
    8
    W
    7
    W
    6
    Wind gust (mph)
    18
    17
    17
    17
    16
    15
    14
    13
    14
    15
    15
    17
    18
    21
    23
    25
    23
    23
    23
    22
    20
    20
    18
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    Humidity
    71%
    73%
    74%
    75%
    76%
    77%
    77%
    74%
    69%
    63%
    59%
    57%
    56%
    56%
    58%
    59%
    58%
    61%
    65%
    66%
    71%
    78%
    82%
    85%
    UV - - - - - 1 1 1 2 3 4 4 5 6 5 4 3 2 1 1 1 - - -
    Wind direction and speed (mph)
    8
    8
    8
    7
    7
    7
    7
    6
    6
    7
    8
    9
    9
    10
    10
    11
    11
    11
    10
    10
    8
    7
    7
    6
    Height of waves offshore (m)
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    2
    2
    2
    2
    2
    10
    14
    14
    13
    13
    13
    13
    13
    13
    13
    6
    2
    3
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Sunday (17 May 2026)
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    30%
    20%
    20%
    30%
    40%
    30%
    30%
    30%
    20%
    Temperature (°C)
    13°
    14°
    14°
    13°
    10°
    Feels like temperature (°C)
    11°
    12°
    12°
    11°
    Wind direction and speed (mph)
    W
    6
    W
    6
    W
    5
    WSW
    4
    W
    9
    WSW
    11
    WSW
    12
    W
    10
    W
    8
    Wind gust (mph)
    16
    10
    8
    17
    20
    22
    22
    17
    14
    Visibility (description)
    M
    G
    M
    M
    G
    VG
    VG
    G
    M
    Humidity
    86%
    87%
    92%
    88%
    73%
    67%
    63%
    69%
    82%
    UV - - - 1 4 6 3 1 -
    Wind direction and speed (mph)
    6
    6
    5
    4
    9
    11
    12
    10
    8
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.1
    0.1
    0.2
    0.2
    0.4
    0.4
    Period of waves offshore (s)
    4
    5
    5
    4
    4
    2
    3
    4
    4
    Direction of waves offshore
    Monday (18 May 2026)
    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 Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    20%
    20%
    20%
    30%
    30%
    30%
    30%
    30%
    Temperature (°C)
    13°
    15°
    14°
    14°
    11°
    Feels like temperature (°C)
    12°
    13°
    12°
    11°
    Wind direction and speed (mph)
    W
    7
    W
    6
    W
    6
    W
    9
    WSW
    12
    SW
    12
    SW
    12
    SW
    9
    Wind gust (mph)
    13
    12
    19
    23
    23
    24
    21
    18
    Visibility (description)
    M
    P
    M
    G
    VG
    G
    G
    M
    Humidity
    87%
    92%
    88%
    71%
    64%
    68%
    70%
    86%
    UV - - 1 4 4 2 1 -
    Wind direction and speed (mph)
    7
    Height of waves offshore (m)
    0.4
    Period of waves offshore (s)
    5
    Direction of waves offshore

    Tide times

    Tuesday 12 May

    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 12 May

    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 12 May

    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 12 May

    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 13 May

    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 13 May

    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 13 May

    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 13 May

    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 14 May

    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 14 May

    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 14 May

    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 14 May

    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 15 May

    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 15 May

    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 15 May

    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 15 May

    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 16 May

    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 16 May

    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 16 May

    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 16 May

    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 17 May

    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 17 May

    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 17 May

    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 17 May

    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 18 May

    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 18 May

    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 18 May

    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 18 May

    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.

    UK video forecast

    Portland Harbour - Castle Cove (Beach) weather map

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    South West England weather forecast

    Headline:

    Bright start, but cloud increasing for a time. Feeling cool.

    Today:

    A fine, but chilly start with some sunshine. Clouding over from the northwest during the morning, with the odd spot of rain possible. Turning much sunnier again towards the end of the afternoon. Temperatures near average, but a cooling breeze. Maximum temperature 16 °C.

    Tonight:

    A dry start to the evening with clear periods. Most places staying frost free as cloud moves in from the north just before dawn, bringing some showers, and winds freshen. Minimum temperature 3 °C.

    Wednesday:

    A day of sunshine and scattered blustery showers, the showers locally heavy with some strong gusts, mainly around coasts. Chilly, with temperatures below average for the time of year. Maximum temperature 14 °C.

    Outlook for Thursday to Saturday:

    Staying unsettled on Thursday with some showery rain, and brisk winds. Drier and brighter on Friday and Saturday, with winds easing. Temperatures staying below average for the time of year.

    Updated:

    UK long range weather forecast

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