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Prestatyn Gronant Dunes (Beach) (Flintshire) 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 nighttime.
Beach safety today
Use caution in the sea. Waves can be bigger or stronger than you expect, strong rips likely, the wind may blow you off course
  • • unsafe for novice surfers
  • • paddle boarding not recommended for beginners/intermediate

Tide: Next low tide (1.9m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Prestatyn Gronant Dunes (Beach)

    Today (23 July 2025)
    Time
    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 intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    20%
    10%
    10%
    10%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    10%
    10%
    Temperature
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    16°
    15°
    15°
    15°
    15°
    15°
    15°
    Wind direction and speed
    NW
    14
    NW
    14
    NW
    15
    NW
    15
    NW
    14
    NW
    14
    NW
    13
    NW
    13
    NW
    13
    NW
    12
    NW
    12
    NW
    11
    Wind gust (mph)
    25
    26
    27
    26
    25
    25
    24
    23
    23
    21
    20
    21
    Visibility
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    73%
    72%
    74%
    74%
    74%
    75%
    76%
    79%
    82%
    84%
    85%
    UV 6 6 6 5 4 3 1 1 1 1 - -
    Wind direction and speed
    14
    14
    15
    15
    14
    14
    13
    13
    13
    12
    12
    11
    Height of waves offshore (m)
    0.8
    0.8
    0.8
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    4
    4
    4
    4
    5
    5
    5
    Direction of waves offshore
    Thursday (24 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 Overcast Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Clear night Clear night Clear night
    Chance of precipitation
    10%
    20%
    10%
    10%
    20%
    20%
    20%
    20%
    20%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    16°
    15°
    15°
    Feels like temperature (°C)
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    Wind direction and speed (mph)
    NW
    12
    NW
    12
    NW
    12
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    NW
    11
    WNW
    11
    WNW
    12
    WNW
    12
    WNW
    12
    WNW
    12
    WNW
    12
    WNW
    11
    WNW
    10
    WNW
    9
    WNW
    8
    WNW
    6
    W
    5
    W
    5
    Wind gust (mph)
    21
    21
    19
    19
    18
    19
    19
    20
    20
    21
    20
    20
    21
    21
    21
    21
    21
    20
    18
    17
    15
    12
    13
    13
    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
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    82%
    79%
    77%
    75%
    74%
    72%
    68%
    67%
    67%
    66%
    66%
    66%
    66%
    69%
    76%
    80%
    80%
    UV - - - - - 1 1 1 2 3 4 5 5 5 5 5 4 2 1 1 1 1 - -
    Wind direction and speed (mph)
    12
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    12
    12
    12
    12
    12
    11
    10
    9
    8
    6
    5
    5
    Height of waves offshore (m)
    0.8
    0.8
    0.9
    0.9
    0.9
    0.9
    0.9
    0.8
    0.8
    0.7
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.3
    0.3
    Period of waves offshore (s)
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Friday (25 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 Partly cloudy night Sunny intervals Cloudy Overcast Sunny intervals Sunny intervals Cloudy Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    20%
    10%
    Temperature (°C)
    14°
    14°
    14°
    16°
    19°
    20°
    20°
    20°
    18°
    Feels like temperature (°C)
    14°
    13°
    13°
    15°
    18°
    17°
    18°
    18°
    17°
    Wind direction and speed (mph)
    WSW
    6
    SW
    6
    SSW
    8
    SSW
    8
    WSW
    9
    W
    13
    WNW
    12
    W
    11
    WSW
    8
    Wind gust (mph)
    14
    15
    15
    15
    21
    23
    22
    19
    16
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    81%
    78%
    76%
    76%
    70%
    75%
    72%
    71%
    80%
    UV - - - 1 4 6 4 1 -
    Wind direction and speed (mph)
    6
    6
    8
    8
    9
    13
    12
    11
    8
    Height of waves offshore (m)
    0.3
    0.3
    0.2
    0.2
    0.2
    0.1
    0.3
    0.3
    0.3
    Period of waves offshore (s)
    4
    4
    4
    3
    4
    4
    3
    3
    3
    Direction of waves offshore
    Saturday (26 July 2025)
    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 Sunny intervals Sunny intervals Cloudy Cloudy
    Chance of precipitation
    10%
    20%
    20%
    10%
    20%
    20%
    20%
    30%
    Temperature (°C)
    17°
    16°
    16°
    17°
    18°
    18°
    18°
    16°
    Feels like temperature (°C)
    16°
    15°
    15°
    16°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    WSW
    8
    W
    7
    WNW
    7
    WNW
    9
    NW
    11
    NW
    10
    WNW
    9
    WSW
    7
    Wind gust (mph)
    14
    14
    15
    19
    21
    20
    17
    15
    Visibility (description)
    VG
    VG
    VG
    E
    E
    E
    E
    VG
    Humidity
    84%
    84%
    80%
    69%
    66%
    65%
    60%
    75%
    UV - - 1 3 6 4 1 -
    Wind direction and speed (mph)
    8
    7
    7
    9
    11
    10
    9
    7
    Height of waves offshore (m)
    0.2
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    3
    3
    3
    3
    3
    4
    4
    3
    Direction of waves offshore
    Sunday (27 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    50%
    50%
    50%
    20%
    10%
    10%
    10%
    Temperature (°C)
    15°
    15°
    15°
    17°
    18°
    18°
    18°
    16°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SW
    7
    SW
    7
    WSW
    7
    WNW
    10
    WNW
    13
    WNW
    13
    WNW
    11
    WSW
    9
    Wind gust (mph)
    15
    14
    16
    21
    22
    21
    16
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    VG
    VG
    Humidity
    79%
    86%
    84%
    68%
    66%
    63%
    65%
    76%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    7
    7
    7
    10
    13
    13
    11
    9
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.2
    0.4
    0.4
    0.4
    0.6
    Period of waves offshore (s)
    3
    2
    2
    3
    3
    3
    4
    4
    Direction of waves offshore
    Monday (28 July 2025)
    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 Sunny intervals Sunny intervals Cloudy Overcast
    Chance of precipitation
    10%
    20%
    20%
    10%
    10%
    20%
    20%
    30%
    Temperature (°C)
    15°
    15°
    16°
    18°
    19°
    20°
    19°
    18°
    Feels like temperature (°C)
    14°
    13°
    14°
    16°
    17°
    18°
    17°
    17°
    Wind direction and speed (mph)
    WSW
    10
    WSW
    10
    WSW
    10
    W
    12
    W
    12
    W
    14
    WSW
    13
    WSW
    11
    Wind gust (mph)
    13
    12
    17
    20
    23
    23
    20
    16
    Visibility (description)
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    82%
    85%
    84%
    75%
    67%
    67%
    73%
    83%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    10
    10
    10
    12
    12
    14
    13
    11
    Height of waves offshore (m)
    0.6
    0.7
    0.6
    0.6
    0.5
    0.5
    0.4
    0.3
    Period of waves offshore (s)
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Tuesday (29 July 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    40%
    40%
    30%
    20%
    30%
    20%
    20%
    Temperature (°C)
    17°
    17°
    17°
    18°
    19°
    19°
    19°
    17°
    Feels like temperature (°C)
    16°
    16°
    15°
    16°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    WSW
    11
    WSW
    11
    W
    11
    W
    14
    W
    15
    W
    16
    W
    15
    W
    13
    Wind gust (mph)
    14
    15
    21
    25
    28
    28
    26
    22
    Visibility (description)
    VG
    G
    G
    G
    VG
    VG
    VG
    VG
    Humidity
    86%
    89%
    87%
    79%
    70%
    66%
    68%
    76%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    11
    Height of waves offshore (m)
    0.3
    Period of waves offshore (s)
    4
    Direction of waves offshore

    Tide times

    Wednesday 23 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 23 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 23 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 23 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 24 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 24 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 24 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 24 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 25 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 25 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 25 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 25 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 26 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 26 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 26 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 26 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 27 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 27 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 27 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 27 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 28 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 28 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 28 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 28 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 29 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 29 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 29 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 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 29 July

    Tide times and heights are from Mostyn Docks tidal station which is 4.3 miles away. So times may be different at this beach. What does this mean?

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

    Prestatyn Gronant Dunes (Beach) weather map

    View the weather with our interactive map

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    Wales weather forecast

    Headline:

    Showers remain possible, but generally drier to end the week.

    Today:

    Heavy and slow-moving showers are possible in the far south, otherwise isolated morning showers but most places becoming dry. Often sunniest in coastal areas and feeling somewhat warmer than yesterday. Maximum temperature 22 °C.

    Tonight:

    Becoming largely fine this evening with any late showers clearing. Generally dry overnight with clear periods. A cooler night than of late with a few fog patches in the countryside. Minimum temperature 8 °C.

    Thursday:

    A generally dry day and whilst the odd light shower is possible, the vast majority will stay dry with a mixture of cloud and periods of sunshine. Feeling warm. Maximum temperature 24 °C.

    Outlook for Friday to Sunday:

    Probably turning damp and murky in some western areas on Friday with occasional drizzle. Otherwise fine on Friday and Saturday with some warm sunshine. Rain or showers on Sunday.

    Updated:

    UK long range weather forecast

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