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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

Light rain.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next high tide (6.3m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Prestatyn Gronant Dunes (Beach)

    Today (3 September 2025)
    Time
    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 Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light shower day Heavy shower day Heavy shower day Heavy shower day Heavy shower day Light shower day Light shower day Light shower day Light shower day Light shower night Partly cloudy night Light shower night Light shower night
    Chance of precipitation
    90%
    80%
    70%
    70%
    80%
    80%
    80%
    80%
    70%
    70%
    70%
    80%
    80%
    70%
    80%
    50%
    60%
    50%
    50%
    60%
    60%
    Temperature
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    15°
    15°
    14°
    14°
    Feels like temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    15°
    15°
    15°
    15°
    14°
    14°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed
    SSE
    4
    SE
    5
    ESE
    7
    ESE
    8
    SE
    8
    SE
    9
    SE
    9
    SSE
    9
    SSW
    10
    SSW
    11
    WSW
    13
    WSW
    14
    WSW
    15
    W
    16
    W
    17
    W
    17
    WSW
    16
    WSW
    14
    WSW
    13
    SW
    13
    SW
    12
    Wind gust (mph)
    11
    14
    15
    16
    17
    16
    16
    16
    18
    23
    23
    23
    25
    29
    30
    29
    28
    25
    23
    22
    20
    Visibility
    G
    VG
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    92%
    93%
    93%
    93%
    93%
    93%
    92%
    90%
    90%
    86%
    84%
    81%
    82%
    84%
    83%
    81%
    82%
    84%
    86%
    85%
    86%
    UV - - - 1 1 1 1 2 2 4 3 4 4 2 1 1 1 - - - -
    Wind direction and speed
    4
    5
    7
    8
    9
    9
    9
    10
    10
    12
    13
    14
    15
    16
    17
    17
    16
    14
    13
    13
    12
    Height of waves offshore (m)
    0.1
    0.1
    0.0
    0.0
    0.0
    0.1
    0.1
    0.1
    0.1
    0.1
    0.3
    0.3
    0.4
    0.7
    1.1
    1.1
    1.0
    0.9
    0.8
    0.7
    0.7
    Period of waves offshore (s)
    3
    3
    3
    11
    11
    2
    2
    2
    2
    7
    2
    3
    3
    4
    5
    5
    5
    5
    5
    5
    5
    Direction of waves offshore
    Thursday (4 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 Heavy shower day Heavy shower day Heavy shower day Light shower day Sunny intervals Sunny intervals Sunny day Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    30%
    30%
    30%
    30%
    40%
    40%
    40%
    40%
    40%
    40%
    70%
    80%
    70%
    50%
    50%
    40%
    30%
    30%
    20%
    10%
    10%
    10%
    10%
    Temperature (°C)
    14°
    13°
    13°
    13°
    13°
    13°
    13°
    12°
    13°
    14°
    15°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    16°
    15°
    14°
    14°
    13°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    14°
    14°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SW
    12
    SW
    11
    SW
    10
    SSW
    10
    SSW
    9
    SSW
    8
    SSW
    8
    SSW
    7
    SSW
    7
    SSW
    7
    SW
    8
    W
    9
    W
    10
    WNW
    11
    W
    11
    WNW
    12
    WNW
    12
    W
    12
    W
    12
    W
    11
    WSW
    10
    WSW
    9
    SW
    9
    SW
    9
    Wind gust (mph)
    19
    18
    17
    16
    15
    14
    14
    13
    12
    12
    13
    13
    16
    19
    20
    21
    21
    22
    22
    21
    18
    18
    18
    18
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    86%
    86%
    86%
    86%
    86%
    87%
    87%
    85%
    83%
    78%
    75%
    73%
    72%
    72%
    69%
    67%
    67%
    68%
    73%
    78%
    82%
    84%
    84%
    UV - - - - - - 1 1 1 2 3 4 4 5 5 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    12
    11
    10
    10
    9
    8
    8
    7
    7
    7
    8
    9
    10
    11
    12
    12
    13
    12
    12
    11
    10
    9
    9
    9
    Height of waves offshore (m)
    0.6
    0.6
    0.7
    0.6
    0.6
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.3
    0.3
    0.3
    0.3
    0.4
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    Period of waves offshore (s)
    5
    5
    5
    5
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Friday (5 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 day Partly cloudy night Clear night
    Chance of precipitation
    10%
    30%
    40%
    30%
    20%
    10%
    <5%
    <5%
    <5%
    Temperature (°C)
    13°
    13°
    13°
    12°
    16°
    17°
    18°
    16°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    10°
    14°
    15°
    16°
    15°
    13°
    Wind direction and speed (mph)
    SW
    9
    WSW
    9
    WSW
    10
    SW
    9
    W
    11
    WNW
    10
    W
    9
    SW
    7
    SSW
    6
    Wind gust (mph)
    18
    19
    18
    20
    21
    20
    18
    14
    14
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    84%
    85%
    85%
    86%
    66%
    58%
    57%
    67%
    78%
    UV - - - 1 3 5 2 1 -
    Wind direction and speed (mph)
    9
    9
    10
    9
    11
    11
    10
    7
    6
    Height of waves offshore (m)
    0.5
    0.6
    0.7
    0.6
    0.5
    0.5
    0.5
    0.4
    0.3
    Period of waves offshore (s)
    4
    4
    4
    4
    4
    4
    4
    4
    4
    Direction of waves offshore
    Saturday (6 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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    20%
    10%
    10%
    10%
    Temperature (°C)
    13°
    13°
    13°
    17°
    20°
    21°
    19°
    17°
    Feels like temperature (°C)
    12°
    12°
    11°
    15°
    17°
    18°
    17°
    15°
    Wind direction and speed (mph)
    S
    7
    SSE
    7
    SE
    7
    SSE
    10
    SSE
    11
    SSE
    11
    SE
    9
    SE
    11
    Wind gust (mph)
    14
    14
    16
    20
    21
    18
    18
    19
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    83%
    82%
    81%
    67%
    53%
    50%
    59%
    66%
    UV - - 1 3 5 2 1 -
    Wind direction and speed (mph)
    7
    7
    7
    10
    11
    11
    9
    11
    Height of waves offshore (m)
    0.2
    0.2
    0.1
    0.1
    0.2
    0.1
    0.1
    0.1
    Period of waves offshore (s)
    4
    4
    3
    3
    2
    2
    2
    2
    Direction of waves offshore
    Sunday (7 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Cloudy Light shower day Light shower day Cloudy Cloudy Partly cloudy night
    Chance of precipitation
    20%
    30%
    40%
    50%
    50%
    50%
    40%
    40%
    Temperature (°C)
    15°
    15°
    15°
    18°
    19°
    20°
    18°
    16°
    Feels like temperature (°C)
    13°
    12°
    12°
    14°
    16°
    17°
    16°
    15°
    Wind direction and speed (mph)
    SE
    14
    ESE
    16
    SE
    17
    SE
    18
    SE
    18
    SSE
    16
    S
    14
    S
    11
    Wind gust (mph)
    25
    28
    31
    31
    29
    25
    19
    18
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    73%
    77%
    81%
    78%
    75%
    74%
    78%
    86%
    UV - - 1 2 3 2 1 -
    Wind direction and speed (mph)
    14
    16
    17
    18
    18
    16
    14
    11
    Height of waves offshore (m)
    0.1
    0.2
    0.3
    0.3
    0.4
    0.4
    0.4
    0.3
    Period of waves offshore (s)
    2
    3
    3
    3
    3
    3
    3
    2
    Direction of waves offshore
    Monday (8 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 Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    30%
    30%
    40%
    50%
    40%
    40%
    40%
    40%
    Temperature (°C)
    15°
    15°
    14°
    16°
    17°
    18°
    16°
    14°
    Feels like temperature (°C)
    14°
    13°
    12°
    13°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    S
    10
    SSE
    10
    SSE
    11
    S
    15
    SSW
    16
    SSW
    17
    SSW
    16
    S
    13
    Wind gust (mph)
    17
    15
    17
    18
    20
    19
    17
    17
    Visibility (description)
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    89%
    89%
    80%
    66%
    63%
    71%
    82%
    UV - - 1 3 5 2 1 -
    Wind direction and speed (mph)
    10
    10
    11
    15
    16
    17
    16
    13
    Height of waves offshore (m)
    0.3
    0.3
    0.3
    0.4
    0.5
    Period of waves offshore (s)
    2
    2
    4
    2
    3
    Direction of waves offshore
    Tuesday (9 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Cloudy Light shower day Light shower day Light shower day Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    40%
    50%
    50%
    70%
    60%
    50%
    30%
    40%
    Temperature (°C)
    14°
    13°
    13°
    16°
    17°
    17°
    16°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    13°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    S
    13
    S
    12
    S
    12
    SSW
    15
    SW
    16
    SW
    14
    SW
    13
    SSW
    11
    Wind gust (mph)
    16
    14
    21
    22
    22
    17
    16
    15
    Visibility (description)
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    88%
    90%
    82%
    73%
    70%
    79%
    86%
    UV - - 1 3 5 2 1 -
    Wind direction and speed (mph)
    13
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Wednesday 3 September

    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 3 September

    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 3 September

    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 3 September

    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 4 September

    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 4 September

    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 4 September

    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 4 September

    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 5 September

    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 5 September

    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 5 September

    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 5 September

    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 6 September

    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 6 September

    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 6 September

    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 6 September

    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 7 September

    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 7 September

    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 7 September

    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 7 September

    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 8 September

    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 8 September

    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 8 September

    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 8 September

    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 9 September

    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 9 September

    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 9 September

    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 9 September

    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:

    Remaining unsettled with heavy rain overnight.

    This Evening and Tonight:

    Settled for many this evening with a few clear spells, before becoming overcast tonight as a band of heavy rain spreads in from the southwest through the early hours accompanied by gusty winds. Temperatures holding up. Minimum temperature 12 °C.

    Wednesday:

    Widely wet and windy through the morning, with heavy, sometimes thundery spells of rain at times. Brighter skies developing by the afternoon bringing a mixture of sunshine and blustery showers. Maximum temperature 19 °C.

    Outlook for Thursday to Saturday:

    Scattered, blustery showers for many on Thursday, but some brighter spells too. More settled from Friday; a few light showers, but mainly dry and bright, although still breezy at times.

    Updated:

    UK long range weather forecast

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