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 intervals changing to cloudy by lunchtime.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next high tide (3.7m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution
H Pollen

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

    Today (3 April 2025)
    Time
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Cloudy Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    50%
    60%
    70%
    60%
    70%
    70%
    70%
    60%
    60%
    Temperature
    8°
    9°
    11°
    12°
    14°
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    11°
    11°
    Feels like temperature (°C)
    6°
    6°
    8°
    9°
    10°
    11°
    10°
    10°
    10°
    10°
    10°
    9°
    10°
    10°
    9°
    9°
    10°
    Wind direction and speed
    ENE
    12
    ENE
    13
    ENE
    14
    ENE
    16
    E
    18
    E
    19
    E
    20
    E
    20
    E
    19
    E
    18
    E
    18
    E
    17
    E
    15
    ESE
    13
    ESE
    11
    ESE
    9
    E
    8
    Wind gust (mph)
    26
    27
    28
    29
    31
    32
    32
    32
    30
    29
    28
    26
    23
    20
    19
    18
    15
    Visibility
    G
    VG
    VG
    VG
    VG
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    Humidity
    77%
    75%
    74%
    67%
    64%
    60%
    61%
    64%
    67%
    69%
    73%
    77%
    81%
    84%
    87%
    89%
    92%
    UV 1 1 1 2 3 4 3 3 2 1 1 1 1 - - - -
    Wind direction and speed
    12
    13
    15
    16
    18
    20
    20
    20
    19
    19
    18
    17
    15
    13
    11
    10
    8
    Height of waves offshore (m)
    0.8
    0.8
    0.9
    1.0
    1.0
    1.1
    1.1
    1.1
    1.1
    1.0
    1.0
    1.0
    1.0
    0.9
    0.8
    0.7
    0.6
    Period of waves offshore (s)
    6
    6
    6
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Friday (4 April 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 Cloudy Cloudy Overcast Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night Clear night
    Chance of precipitation
    50%
    40%
    30%
    30%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    13°
    14°
    16°
    17°
    18°
    19°
    19°
    19°
    18°
    17°
    16°
    15°
    15°
    14°
    13°
    Feels like temperature (°C)
    10°
    10°
    10°
    10°
    9°
    9°
    9°
    9°
    9°
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    13°
    12°
    12°
    11°
    10°
    Wind direction and speed (mph)
    E
    7
    ENE
    7
    ENE
    7
    ENE
    7
    NE
    8
    NE
    8
    NE
    9
    NE
    9
    NE
    10
    NE
    11
    ENE
    12
    ENE
    14
    E
    15
    E
    16
    E
    17
    E
    17
    E
    17
    E
    17
    E
    15
    E
    14
    ENE
    14
    ENE
    15
    ENE
    15
    ENE
    16
    Wind gust (mph)
    13
    14
    14
    14
    16
    16
    16
    17
    18
    20
    23
    25
    29
    30
    29
    29
    29
    28
    24
    23
    24
    26
    28
    29
    Visibility (description)
    G
    G
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    93%
    94%
    94%
    95%
    95%
    94%
    93%
    91%
    89%
    85%
    78%
    69%
    57%
    51%
    44%
    42%
    42%
    42%
    48%
    52%
    54%
    57%
    57%
    58%
    UV - - - - - - 1 1 1 1 2 3 4 4 3 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    8
    7
    7
    7
    8
    9
    9
    10
    10
    11
    13
    14
    15
    16
    17
    17
    17
    17
    15
    14
    14
    15
    16
    16
    Height of waves offshore (m)
    0.6
    0.5
    0.5
    0.4
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.4
    0.5
    0.6
    0.7
    0.8
    0.8
    0.8
    0.8
    0.8
    0.8
    0.7
    0.7
    0.8
    0.8
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    4
    4
    4
    4
    4
    3
    4
    4
    4
    5
    5
    5
    5
    5
    5
    5
    6
    6
    Direction of waves offshore
    Saturday (5 April 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 Clear night Sunny day Sunny day Sunny day Sunny day Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    12°
    11°
    9°
    8°
    12°
    17°
    18°
    14°
    11°
    Feels like temperature (°C)
    9°
    8°
    6°
    4°
    9°
    13°
    14°
    12°
    8°
    Wind direction and speed (mph)
    NE
    17
    NE
    17
    NE
    18
    NE
    18
    ENE
    17
    E
    17
    E
    15
    E
    11
    ENE
    13
    Wind gust (mph)
    29
    30
    30
    30
    30
    28
    24
    26
    27
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    64%
    66%
    75%
    75%
    63%
    45%
    43%
    60%
    54%
    UV - - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    17
    17
    17
    18
    17
    17
    15
    12
    13
    Height of waves offshore (m)
    0.8
    0.8
    0.8
    0.8
    0.9
    0.9
    0.8
    0.6
    0.9
    Period of waves offshore (s)
    6
    6
    6
    6
    7
    7
    7
    6
    4
    Direction of waves offshore
    Sunday (6 April 2025)
    Time
    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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    8°
    6°
    6°
    11°
    13°
    12°
    11°
    8°
    Feels like temperature (°C)
    5°
    3°
    2°
    8°
    9°
    9°
    8°
    6°
    Wind direction and speed (mph)
    ENE
    14
    NE
    14
    NE
    14
    E
    15
    ESE
    17
    ESE
    16
    E
    12
    ENE
    9
    Wind gust (mph)
    27
    25
    27
    25
    25
    22
    17
    21
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    63%
    74%
    79%
    57%
    48%
    52%
    56%
    63%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    14
    14
    14
    15
    17
    16
    12
    10
    Height of waves offshore (m)
    0.9
    0.9
    0.8
    0.8
    0.9
    0.9
    0.8
    0.8
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    7
    Direction of waves offshore
    Monday (7 April 2025)
    Time
    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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    6°
    5°
    4°
    10°
    13°
    13°
    11°
    6°
    Feels like temperature (°C)
    3°
    2°
    1°
    8°
    11°
    11°
    10°
    4°
    Wind direction and speed (mph)
    ENE
    9
    NE
    9
    NE
    8
    E
    9
    ESE
    10
    ESE
    9
    ESE
    6
    ENE
    4
    Wind gust (mph)
    20
    18
    17
    17
    16
    13
    8
    5
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    65%
    73%
    76%
    61%
    52%
    51%
    62%
    84%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    10
    9
    8
    9
    10
    9
    6
    4
    Height of waves offshore (m)
    0.8
    0.8
    0.7
    0.6
    0.6
    0.5
    0.4
    0.4
    Period of waves offshore (s)
    7
    6
    6
    5
    5
    5
    4
    4
    Direction of waves offshore
    Tuesday (8 April 2025)
    Time
    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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    4°
    3°
    3°
    10°
    14°
    15°
    13°
    7°
    Feels like temperature (°C)
    3°
    1°
    1°
    9°
    13°
    14°
    12°
    6°
    Wind direction and speed (mph)
    NE
    4
    NE
    4
    NE
    4
    ENE
    6
    E
    8
    ESE
    8
    SE
    6
    ESE
    5
    Wind gust (mph)
    6
    6
    10
    14
    14
    12
    8
    7
    Visibility (description)
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    87%
    86%
    64%
    48%
    45%
    63%
    79%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    3
    4
    4
    6
    8
    8
    6
    5
    Height of waves offshore (m) – – – –
    0.4
    		– – –
    Period of waves offshore (s) – – – –
    4
    		– – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    Wednesday (9 April 2025)
    Time
    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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    6°
    5°
    4°
    10°
    14°
    16°
    14°
    8°
    Feels like temperature (°C)
    4°
    2°
    2°
    9°
    12°
    14°
    12°
    7°
    Wind direction and speed (mph)
    ENE
    5
    ENE
    5
    ENE
    5
    ENE
    8
    E
    10
    E
    10
    ESE
    8
    SE
    6
    Wind gust (mph)
    8
    8
    13
    16
    16
    15
    10
    6
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    79%
    84%
    86%
    67%
    53%
    50%
    58%
    71%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    5
    		– – – – – – –
    Height of waves offshore (m) – – – – – – – –
    Period of waves offshore (s) – – – – – – – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    –
    –
    Thursday (10 April 2025)
    Time
    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 Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    6°
    5°
    5°
    11°
    15°
    17°
    15°
    9°
    Feels like temperature (°C)
    4°
    3°
    2°
    9°
    13°
    15°
    13°
    8°
    Wind direction and speed (mph)
    N
    6
    NNE
    6
    NNE
    6
    NNE
    8
    NE
    9
    SSE
    9
    W
    8
    WNW
    6
    Wind gust (mph)
    6
    7
    12
    17
    17
    13
    8
    9
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    82%
    85%
    67%
    56%
    51%
    63%
    82%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph) – – – – – – – –
    Height of waves offshore (m) – – – – – – – –
    Period of waves offshore (s) – – – – – – – –
    Direction of waves offshore
    –
    –
    –
    –
    –
    –
    –
    –

    Tide times

    Thursday 3 April

    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 3 April

    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 3 April

    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 3 April

    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 4 April

    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 4 April

    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 4 April

    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 4 April

    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 5 April

    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 5 April

    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 5 April

    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 5 April

    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 6 April

    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 6 April

    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 6 April

    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 6 April

    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 7 April

    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 7 April

    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 7 April

    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 7 April

    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 8 April

    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 8 April

    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 8 April

    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 8 April

    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 9 April

    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 9 April

    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 9 April

    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 9 April

    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 10 April

    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 10 April

    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 10 April

    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 10 April

    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
    News

    Wind and rain marking a change in the UK weather

    Warnings have been issued as the weather across the UK becomes increasingly mild but wet and windy.

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    Portland Harbour - Castle Cove (Beach) weather map

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    Forecast for 07:00, Thu
    Updated 04:00 (UTC+1) on Thu 3 Apr 2025
    WARNING
    Flood alerts icon
    Flood alerts in force for England
    Flood alerts in force for England

    Environment Agency

    Updated:

    South West England weather forecast

    Headline:

    Cloudier on Thursday with a few showers possible. Rather windy.

    Today:

    Scattered showers soon arriving across Cornwall, Devon and Dorset, these perhaps spreading to remaining counties later. However, many places staying largely dry. Sunniest and warmest in eastern counties. Brisk easterly winds developing, and rather windy again in exposed coastal regions. Maximum temperature 19 °C.

    Tonight:

    A chance of further showers this evening, with more general rain possible, albeit not everywhere. Becoming mainly dry by the morning with coastal mist and hill fog in places. Milder. Minimum temperature 8 °C.

    Friday:

    Any mist and low cloud clearing to leave sunny spells. Increasingly sunny by the afternoon. Temperatures above average and feeling warm albeit cooler on coasts with brisk easterly winds again. Maximum temperature 22 °C.

    Outlook for Saturday to Monday:

    Mainly sunny over the weekend and into next week too. Temperatures generally lower than on Friday with chilly nights but feeling warm in the sunshine. Brisk easterly winds continuing.

    Updated:

    UK long range weather forecast

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