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Harlech (Beach) (Gwynedd) 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 showers changing to cloudy by late morning.
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 high tide (2.7m) at

Sunrise iconSunrise:
Sunset iconSunset:
M UV
L Pollution

    7 day forecast for Harlech (Beach)

    Today (2 September 2025)
    Time
    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 Cloudy Partly cloudy night Partly cloudy night Sunny intervals Light shower day Light shower day Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Cloudy
    Chance of precipitation
    30%
    40%
    50%
    50%
    60%
    70%
    40%
    40%
    40%
    30%
    30%
    30%
    30%
    20%
    10%
    20%
    20%
    20%
    20%
    40%
    Temperature
    14°
    14°
    13°
    13°
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    11°
    11°
    12°
    13°
    14°
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    16°
    15°
    14°
    14°
    13°
    Wind direction and speed
    SW
    12
    SSW
    11
    S
    10
    S
    10
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    10
    SSE
    9
    S
    8
    SSW
    7
    SW
    7
    SW
    6
    SW
    5
    SW
    5
    SW
    6
    SSW
    7
    SSW
    8
    SSW
    10
    SSW
    10
    Wind gust (mph)
    17
    14
    14
    14
    14
    14
    15
    15
    14
    13
    12
    10
    10
    9
    9
    9
    10
    11
    11
    13
    Visibility
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    VG
    VG
    VG
    Humidity
    75%
    74%
    78%
    77%
    78%
    78%
    76%
    75%
    75%
    74%
    73%
    73%
    71%
    71%
    74%
    74%
    75%
    76%
    76%
    76%
    UV - - 1 1 1 2 3 3 4 5 4 3 2 1 1 1 1 - - -
    Wind direction and speed
    12
    11
    10
    10
    10
    10
    10
    10
    9
    8
    7
    7
    6
    6
    5
    6
    7
    8
    9
    9
    Height of waves offshore (m)
    0.8
    0.7
    0.7
    0.6
    0.6
    0.6
    0.5
    0.5
    0.5
    0.5
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    0.4
    Period of waves offshore (s)
    7
    7
    7
    7
    7
    7
    7
    7
    7
    7
    8
    8
    8
    8
    8
    8
    8
    8
    8
    9
    Direction of waves offshore
    Wednesday (3 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 Cloudy Light rain Light rain Light rain Heavy rain Heavy rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy shower day Heavy shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Heavy shower night Heavy shower night Light shower night Light shower night
    Chance of precipitation
    40%
    50%
    60%
    70%
    80%
    90%
    80%
    70%
    70%
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    60%
    70%
    70%
    70%
    80%
    80%
    60%
    60%
    Temperature (°C)
    15°
    15°
    15°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    15°
    15°
    15°
    Feels like temperature (°C)
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    11°
    11°
    12°
    12°
    12°
    13°
    12°
    13°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    Wind direction and speed (mph)
    S
    11
    SSE
    12
    SSE
    12
    SE
    12
    ESE
    13
    ESE
    15
    SE
    18
    SE
    20
    SE
    21
    S
    20
    S
    20
    SSW
    22
    SW
    22
    SW
    23
    SW
    23
    SW
    23
    SW
    24
    WSW
    24
    WSW
    24
    WSW
    24
    WSW
    23
    WSW
    21
    W
    19
    WSW
    18
    Wind gust (mph)
    13
    15
    15
    17
    18
    18
    19
    22
    23
    22
    25
    25
    28
    32
    28
    32
    33
    30
    26
    26
    26
    24
    24
    22
    Visibility (description)
    VG
    E
    VG
    VG
    M
    M
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    76%
    78%
    82%
    84%
    84%
    84%
    84%
    85%
    85%
    85%
    85%
    85%
    84%
    84%
    84%
    83%
    80%
    83%
    81%
    82%
    80%
    81%
    81%
    78%
    UV - - - - - - 1 1 1 1 2 3 4 5 4 4 2 1 1 1 - - - -
    Wind direction and speed (mph)
    10
    11
    11
    11
    12
    14
    16
    18
    19
    19
    19
    20
    21
    22
    21
    21
    22
    22
    22
    22
    21
    20
    18
    17
    Height of waves offshore (m)
    0.4
    0.4
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.5
    0.7
    0.8
    0.8
    0.9
    1.0
    1.1
    0.8
    0.8
    0.7
    0.7
    0.7
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    4
    5
    5
    5
    5
    6
    6
    7
    7
    8
    8
    9
    9
    Direction of waves offshore
    Thursday (4 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Heavy shower night Heavy shower night Heavy shower night Light shower day Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night
    Chance of precipitation
    70%
    80%
    80%
    70%
    50%
    40%
    40%
    30%
    20%
    Temperature (°C)
    15°
    14°
    14°
    13°
    15°
    16°
    17°
    16°
    14°
    Feels like temperature (°C)
    11°
    11°
    11°
    10°
    12°
    13°
    14°
    13°
    12°
    Wind direction and speed (mph)
    WSW
    17
    WSW
    16
    W
    13
    W
    13
    W
    14
    WSW
    17
    WSW
    16
    WSW
    17
    W
    14
    Wind gust (mph)
    21
    21
    19
    21
    25
    26
    26
    21
    19
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    E
    E
    Humidity
    77%
    78%
    78%
    79%
    76%
    72%
    72%
    71%
    74%
    UV - - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    17
    16
    14
    14
    15
    17
    17
    17
    14
    Height of waves offshore (m)
    0.7
    0.8
    0.8
    0.6
    0.6
    0.6
    0.7
    0.8
    0.7
    Period of waves offshore (s)
    9
    9
    9
    9
    9
    10
    10
    10
    10
    Direction of waves offshore
    Friday (5 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
    20%
    20%
    20%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    13°
    13°
    13°
    16°
    17°
    17°
    16°
    15°
    Feels like temperature (°C)
    11°
    11°
    11°
    13°
    14°
    14°
    13°
    12°
    Wind direction and speed (mph)
    W
    12
    W
    12
    WSW
    12
    SW
    13
    SW
    16
    SW
    15
    SSW
    15
    S
    16
    Wind gust (mph)
    16
    14
    18
    23
    24
    21
    19
    20
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    74%
    75%
    75%
    72%
    69%
    67%
    69%
    72%
    UV - - 1 3 5 2 1 -
    Wind direction and speed (mph)
    12
    12
    12
    13
    16
    15
    15
    16
    Height of waves offshore (m)
    0.6
    0.6
    0.5
    0.5
    0.4
    0.4
    0.3
    0.3
    Period of waves offshore (s)
    10
    10
    8
    7
    8
    8
    8
    8
    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 Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    10%
    10%
    20%
    30%
    30%
    40%
    40%
    Temperature (°C)
    15°
    15°
    14°
    17°
    19°
    19°
    18°
    17°
    Feels like temperature (°C)
    12°
    11°
    11°
    13°
    14°
    15°
    14°
    14°
    Wind direction and speed (mph)
    SSE
    17
    SSE
    17
    SSE
    17
    SSE
    19
    S
    21
    S
    19
    SSE
    19
    SSE
    18
    Wind gust (mph)
    23
    24
    27
    29
    27
    23
    25
    26
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    Humidity
    76%
    78%
    77%
    77%
    75%
    75%
    78%
    79%
    UV - - 1 3 4 2 1 -
    Wind direction and speed (mph)
    17
    17
    17
    19
    21
    19
    19
    18
    Height of waves offshore (m)
    0.4
    0.5
    0.6
    0.7
    0.8
    0.7
    0.8
    0.8
    Period of waves offshore (s)
    4
    4
    5
    6
    6
    7
    7
    8
    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 Cloudy Light rain Light rain Light shower day Light shower day Cloudy Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    60%
    60%
    50%
    50%
    50%
    40%
    40%
    Temperature (°C)
    17°
    17°
    16°
    18°
    18°
    18°
    17°
    16°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    15°
    15°
    14°
    14°
    Wind direction and speed (mph)
    SSE
    18
    WSW
    16
    SE
    17
    SSE
    18
    SSE
    17
    S
    16
    S
    16
    SSW
    14
    Wind gust (mph)
    28
    26
    26
    25
    25
    21
    18
    19
    Visibility (description)
    VG
    G
    G
    G
    G
    G
    VG
    VG
    Humidity
    80%
    84%
    90%
    87%
    88%
    85%
    84%
    83%
    UV - - 1 2 3 1 1 -
    Wind direction and speed (mph)
    18
    16
    17
    18
    17
    16
    16
    14
    Height of waves offshore (m)
    0.8
    0.8
    1.0
    1.0
    0.9
    Period of waves offshore (s)
    8
    8
    9
    9
    10
    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
    40%
    50%
    50%
    50%
    50%
    50%
    40%
    40%
    Temperature (°C)
    15°
    15°
    14°
    16°
    17°
    16°
    15°
    15°
    Feels like temperature (°C)
    13°
    12°
    11°
    12°
    13°
    12°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    14
    SSW
    14
    SSW
    16
    SSW
    19
    SW
    21
    SSW
    21
    SSW
    20
    SSW
    17
    Wind gust (mph)
    17
    17
    18
    22
    25
    22
    20
    19
    Visibility (description)
    VG
    G
    G
    G
    VG
    VG
    G
    VG
    Humidity
    82%
    84%
    82%
    80%
    80%
    79%
    82%
    83%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    14
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Tuesday 2 September

    Tide times and heights are from Porthmadog tidal station which is 3.7 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 2 September

    Tide times and heights are from Porthmadog tidal station which is 3.7 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 2 September

    Tide times and heights are from Porthmadog tidal station which is 3.7 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 2 September

    Tide times and heights are from Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 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 Porthmadog tidal station which is 3.7 miles away. So times may be different at this beach. What does this mean?

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

    Harlech (Beach) weather map

    View the weather with our interactive map

    Loading map...

    Wales weather forecast

    Headline:

    Remaining unsettled with further scattered, blustery showers.

    Today:

    Heavy rain and low cloud spreads eastwards across the country through the day, with blustery showers to follow. Some brightness may break through, but most places will remain rather cloudy. Strong, gusty winds along the south coast. Maximum temperature 19 °C.

    Tonight:

    Settled for many this evening with a few clear spells, before becoming overcast tonight as a band of rain spreads in from the southwest. Some heavy downpours and becoming breezier. Minimum temperature 12 °C.

    Wednesday:

    Widely wet and windy through the morning, with heavy, sometimes thundery spells 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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