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Portland Harbour - Sandsfoot Castle (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.
Beach safety today
Caution: strong winds may affect your paddling
  • • paddleboarding not recommended for beginners/intermediate
  • • experienced paddlers should use caution

Tide: Next high tide (3.4m) at

Sunrise iconSunrise:
Sunset iconSunset:
VH UV
L Pollution

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

    Today (8 July 2025)
    Time
    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 day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature
    20°
    20°
    20°
    19°
    19°
    19°
    19°
    18°
    18°
    17°
    16°
    Feels like temperature (°C)
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    16°
    15°
    Wind direction and speed
    WSW
    11
    WSW
    13
    WSW
    14
    WSW
    14
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    11
    W
    8
    NNW
    6
    NNW
    6
    Wind gust (mph)
    21
    21
    23
    24
    25
    25
    23
    19
    17
    15
    13
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    44%
    48%
    48%
    56%
    59%
    63%
    66%
    71%
    79%
    76%
    75%
    UV 8 7 6 5 3 2 1 1 1 - -
    Wind direction and speed
    11
    13
    14
    14
    14
    14
    14
    11
    8
    6
    6
    Height of waves offshore (m)
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    Period of waves offshore (s)
    4
    4
    4
    4
    2
    2
    4
    4
    4
    4
    4
    Direction of waves offshore
    Wednesday (9 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 day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night 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%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    15°
    15°
    15°
    14°
    14°
    13°
    14°
    15°
    17°
    18°
    19°
    20°
    20°
    20°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    18°
    17°
    17°
    Feels like temperature (°C)
    15°
    14°
    14°
    14°
    13°
    13°
    14°
    16°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    18°
    18°
    17°
    Wind direction and speed (mph)
    NW
    5
    NW
    6
    NW
    6
    NNW
    6
    NW
    5
    NW
    4
    NW
    3
    NW
    3
    NW
    3
    WSW
    4
    SW
    5
    SW
    7
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    WSW
    9
    WSW
    9
    WSW
    9
    WSW
    8
    W
    6
    W
    4
    WNW
    3
    Wind gust (mph)
    12
    11
    11
    10
    9
    7
    5
    6
    7
    8
    9
    11
    12
    14
    15
    16
    16
    16
    16
    15
    14
    12
    8
    5
    Visibility (description)
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    77%
    82%
    83%
    84%
    84%
    85%
    85%
    76%
    66%
    61%
    57%
    56%
    57%
    56%
    57%
    58%
    61%
    63%
    67%
    69%
    72%
    79%
    84%
    82%
    UV - - - - - 1 1 1 2 4 5 7 8 8 7 6 4 3 2 1 1 1 - -
    Wind direction and speed (mph)
    5
    6
    6
    6
    5
    4
    3
    3
    3
    4
    5
    7
    8
    9
    9
    9
    9
    9
    9
    9
    8
    6
    4
    3
    Height of waves offshore (m)
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    Period of waves offshore (s)
    3
    3
    3
    3
    5
    5
    8
    8
    5
    5
    5
    5
    4
    4
    4
    4
    5
    5
    8
    7
    7
    6
    2
    7
    Direction of waves offshore
    Thursday (10 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%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    17°
    16°
    17°
    21°
    22°
    22°
    21°
    19°
    Feels like temperature (°C)
    17°
    17°
    16°
    18°
    21°
    21°
    21°
    20°
    19°
    Wind direction and speed (mph)
    NNW
    3
    N
    3
    NNW
    4
    N
    3
    SW
    5
    WSW
    8
    WSW
    8
    W
    8
    WNW
    5
    Wind gust (mph)
    5
    7
    7
    9
    11
    13
    13
    11
    9
    Visibility (description)
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    84%
    90%
    84%
    61%
    56%
    54%
    55%
    64%
    UV - - - 1 5 8 4 1 -
    Wind direction and speed (mph)
    3
    3
    4
    3
    5
    8
    9
    8
    5
    Height of waves offshore (m)
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.0
    0.1
    Period of waves offshore (s)
    3
    3
    5
    7
    6
    7
    6
    6
    14
    Direction of waves offshore
    Friday (11 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 day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    17°
    19°
    22°
    23°
    23°
    22°
    19°
    Feels like temperature (°C)
    18°
    17°
    19°
    21°
    22°
    22°
    22°
    19°
    Wind direction and speed (mph)
    N
    4
    N
    5
    NE
    4
    SSW
    6
    SSW
    8
    SSW
    7
    WSW
    5
    NNW
    4
    Wind gust (mph)
    9
    7
    7
    10
    10
    10
    7
    7
    Visibility (description)
    VG
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    67%
    77%
    71%
    56%
    51%
    47%
    51%
    68%
    UV - - 1 5 8 4 1 -
    Wind direction and speed (mph)
    5
    5
    4
    6
    8
    7
    5
    4
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    13
    13
    13
    13
    13
    13
    13
    12
    Direction of waves offshore
    Saturday (12 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 day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    17°
    19°
    22°
    23°
    24°
    23°
    19°
    Feels like temperature (°C)
    18°
    16°
    18°
    21°
    22°
    23°
    22°
    19°
    Wind direction and speed (mph)
    NE
    4
    NE
    5
    ENE
    5
    ESE
    8
    SE
    10
    SE
    8
    ESE
    7
    ENE
    5
    Wind gust (mph)
    9
    9
    10
    13
    13
    12
    10
    7
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    70%
    75%
    66%
    55%
    53%
    51%
    55%
    75%
    UV - - 1 5 8 4 1 -
    Wind direction and speed (mph)
    5
    5
    5
    8
    9
    8
    6
    4
    Height of waves offshore (m)
    0.1
    0.1
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    Period of waves offshore (s)
    12
    12
    5
    2
    3
    4
    3
    2
    Direction of waves offshore
    Sunday (13 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 day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    17°
    16°
    18°
    23°
    26°
    26°
    24°
    19°
    Feels like temperature (°C)
    17°
    16°
    18°
    22°
    25°
    25°
    23°
    19°
    Wind direction and speed (mph)
    E
    5
    ENE
    4
    ENE
    5
    ESE
    8
    SE
    10
    SE
    10
    SE
    9
    SE
    5
    Wind gust (mph)
    6
    7
    12
    18
    20
    19
    14
    7
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    90%
    83%
    65%
    48%
    44%
    54%
    82%
    UV - - 1 5 8 4 1 -
    Wind direction and speed (mph)
    4
    4
    5
    8
    9
    10
    9
    5
    Height of waves offshore (m)
    0.3
    0.4
    0.4
    0.4
    0.4
    0.4
    0.3
    0.3
    Period of waves offshore (s)
    5
    5
    6
    3
    3
    3
    6
    5
    Direction of waves offshore
    Monday (14 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 day Sunny day Sunny day Clear night
    Chance of precipitation
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    18°
    17°
    19°
    23°
    26°
    26°
    24°
    19°
    Feels like temperature (°C)
    18°
    17°
    19°
    23°
    25°
    24°
    23°
    19°
    Wind direction and speed (mph)
    SE
    5
    E
    5
    E
    5
    S
    8
    S
    10
    SSW
    11
    SW
    10
    W
    7
    Wind gust (mph)
    5
    6
    12
    18
    19
    19
    14
    11
    Visibility (description)
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    91%
    92%
    85%
    65%
    50%
    48%
    57%
    84%
    UV - - 1 5 8 4 1 -
    Wind direction and speed (mph)
    5
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Tuesday 8 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 11 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 11 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 11 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 11 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 12 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 12 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 12 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 12 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 13 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 13 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 13 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 13 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 14 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 14 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 14 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 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 14 July

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

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

    Portland Harbour - Sandsfoot Castle (Beach) weather map

    View the weather with our interactive map

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    South West England weather forecast

    Headline:

    Mostly dry and turning increasingly warm this week.

    Today:

    A fine day with plenty of lengthy spells of sunshine, though cloudier at times in the west with sunnier intervals. Feeling pleasantly warm in gentle winds. Maximum temperature 23 °C.

    Tonight:

    Remaining settled this evening with late sunshine. Turning cloudier overnight with low cloud along the coasts and some drizzle, but most places dry. Winds staying light. Minimum temperature 12 °C.

    Wednesday:

    Early cloud gradually breaking to leave sunnier spells into the afternoon, though low cloud may linger along the coasts. Feeling very warm in the sunshine. Maximum temperature 27 °C.

    Outlook for Thursday to Saturday:

    High pressure dominating with plenty of strong sunshine by day and clear skies overnight. Becoming very warm through the period with some uncomfortable nights for sleeping.

    Updated:

    UK long range weather forecast

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