Grandes Rocques (Beach) (Guernsey) 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 low tide (3.1m) at

Sunrise iconSunrise:
Sunset iconSunset:
L UV
L Pollution
No pollen data.

    7 day forecast for Grandes Rocques (Beach)

    Today (9 February 2026)
    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 Cloudy Light rain Light shower night Light rain Light rain Light rain Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Heavy rain Heavy rain Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    10%
    40%
    70%
    70%
    80%
    80%
    70%
    60%
    80%
    90%
    ≥95%
    90%
    90%
    90%
    90%
    90%
    80%
    70%
    60%
    60%
    Temperature
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed
    SSE
    15
    SSE
    16
    SSE
    18
    SSE
    20
    SSE
    21
    SSE
    23
    SSE
    24
    SSE
    26
    SSE
    27
    SSE
    27
    SSE
    26
    SSE
    24
    SSE
    22
    SSE
    18
    S
    16
    S
    15
    SSW
    15
    SW
    15
    SW
    15
    WSW
    16
    Wind gust (mph)
    26
    28
    30
    33
    35
    37
    39
    42
    43
    44
    43
    39
    34
    29
    26
    23
    23
    24
    25
    25
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    G
    Humidity
    91%
    92%
    92%
    91%
    92%
    89%
    86%
    86%
    85%
    89%
    91%
    92%
    92%
    92%
    93%
    93%
    93%
    93%
    93%
    93%
    UV - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed
    14
    16
    17
    19
    20
    22
    23
    24
    26
    26
    26
    25
    22
    19
    15
    14
    14
    15
    15
    16
    Height of waves offshore (m)
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.1
    1.1
    1.1
    1.2
    1.2
    1.2
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Tuesday (10 February 2026)
    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 shower night Cloudy Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Cloudy Light rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain Light rain Heavy rain Light rain Light rain Light rain Light shower night
    Chance of precipitation
    50%
    50%
    50%
    40%
    40%
    40%
    20%
    30%
    30%
    60%
    80%
    90%
    80%
    70%
    80%
    60%
    70%
    60%
    80%
    80%
    80%
    80%
    80%
    80%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    11°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    17
    WSW
    18
    WSW
    18
    WSW
    18
    WSW
    17
    WSW
    16
    SW
    15
    SW
    15
    SSW
    15
    SSW
    15
    SSW
    16
    S
    17
    S
    18
    SSW
    19
    SSW
    20
    SW
    21
    SW
    21
    WSW
    21
    WSW
    21
    SW
    20
    SW
    21
    SW
    21
    SW
    22
    WSW
    22
    Wind gust (mph)
    26
    27
    27
    27
    25
    24
    23
    23
    24
    25
    27
    29
    30
    30
    30
    31
    31
    30
    30
    31
    32
    31
    32
    33
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    P
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    92%
    92%
    91%
    89%
    91%
    92%
    92%
    92%
    93%
    93%
    92%
    94%
    94%
    95%
    96%
    95%
    94%
    93%
    93%
    92%
    92%
    92%
    92%
    92%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    17
    18
    18
    18
    18
    16
    16
    15
    15
    16
    16
    17
    18
    18
    19
    19
    20
    21
    21
    20
    21
    22
    22
    22
    Height of waves offshore (m)
    1.3
    1.4
    1.5
    1.6
    1.6
    1.7
    1.7
    1.8
    1.8
    1.9
    1.9
    1.9
    1.9
    1.9
    2.0
    2.0
    2.3
    2.4
    2.4
    2.4
    2.4
    2.3
    2.2
    2.2
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    18
    18
    18
    18
    18
    17
    17
    17
    17
    16
    16
    16
    16
    16
    16
    16
    Direction of waves offshore
    Wednesday (11 February 2026)
    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 shower night Light shower night Light rain Light rain Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Light rain Light rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    70%
    80%
    80%
    80%
    70%
    70%
    70%
    70%
    70%
    60%
    50%
    30%
    20%
    30%
    40%
    50%
    70%
    80%
    90%
    80%
    80%
    80%
    80%
    60%
    Temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    23
    WSW
    24
    WSW
    25
    WSW
    26
    W
    27
    W
    28
    W
    29
    W
    29
    WSW
    29
    WSW
    28
    WSW
    28
    WSW
    26
    WSW
    25
    SW
    23
    SW
    21
    SW
    19
    SSW
    18
    SSW
    18
    SSW
    18
    SSW
    18
    SSW
    19
    SSW
    20
    SW
    20
    WSW
    21
    Wind gust (mph)
    34
    35
    38
    39
    42
    43
    42
    41
    41
    41
    41
    38
    36
    31
    30
    28
    30
    30
    30
    32
    32
    32
    32
    31
    Visibility (description)
    M
    M
    M
    M
    M
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    Humidity
    91%
    92%
    90%
    91%
    88%
    86%
    85%
    85%
    84%
    84%
    82%
    83%
    82%
    84%
    85%
    85%
    88%
    91%
    91%
    91%
    90%
    89%
    91%
    91%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    22
    23
    25
    26
    28
    28
    29
    29
    29
    29
    28
    28
    27
    25
    22
    20
    19
    17
    17
    17
    18
    18
    19
    20
    Height of waves offshore (m)
    2.2
    2.2
    2.2
    2.3
    2.3
    2.3
    2.5
    2.7
    2.9
    3.0
    3.0
    3.0
    3.0
    3.3
    3.2
    3.2
    3.1
    3.0
    3.0
    2.9
    2.9
    2.9
    2.9
    2.9
    Period of waves offshore (s)
    16
    16
    15
    15
    15
    15
    15
    15
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    Direction of waves offshore
    Thursday (12 February 2026)
    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 shower night Light shower night Cloudy Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower day Partly cloudy night Partly cloudy night Partly cloudy night Light shower night Light shower night Partly cloudy night Light shower night
    Chance of precipitation
    60%
    60%
    50%
    60%
    50%
    50%
    60%
    70%
    70%
    60%
    50%
    50%
    60%
    60%
    70%
    60%
    60%
    50%
    50%
    50%
    50%
    50%
    50%
    50%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    21
    W
    22
    WNW
    22
    WNW
    23
    WNW
    24
    WNW
    27
    WNW
    28
    W
    27
    W
    27
    W
    28
    W
    28
    W
    29
    W
    29
    W
    30
    W
    30
    W
    29
    W
    29
    W
    28
    W
    27
    W
    26
    W
    24
    W
    23
    W
    22
    W
    20
    Wind gust (mph)
    34
    32
    34
    35
    39
    41
    42
    40
    42
    42
    43
    43
    44
    45
    44
    44
    43
    41
    39
    36
    36
    33
    31
    30
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    88%
    87%
    87%
    87%
    85%
    84%
    83%
    83%
    83%
    82%
    80%
    80%
    77%
    80%
    80%
    80%
    77%
    78%
    76%
    77%
    78%
    78%
    79%
    78%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    21
    22
    22
    23
    24
    25
    27
    27
    27
    27
    28
    28
    28
    28
    29
    28
    28
    27
    26
    25
    24
    23
    22
    21
    Height of waves offshore (m)
    3.0
    3.0
    3.0
    3.0
    3.1
    3.3
    3.4
    3.4
    3.4
    3.5
    3.6
    3.8
    4.1
    4.3
    4.5
    4.5
    4.5
    4.6
    4.5
    4.4
    4.2
    4.1
    3.9
    3.7
    Period of waves offshore (s)
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    15
    16
    16
    15
    15
    15
    15
    15
    15
    15
    15
    15
    15
    Direction of waves offshore
    Friday (13 February 2026)
    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 shower night Partly cloudy night Partly cloudy night Cloudy Cloudy Cloudy Cloudy Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Light shower night Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    50%
    50%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    40%
    30%
    30%
    30%
    30%
    30%
    30%
    40%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    19
    W
    18
    W
    18
    W
    18
    W
    18
    W
    17
    W
    17
    W
    17
    NW
    17
    NW
    18
    NW
    17
    NW
    18
    NW
    17
    NNW
    17
    NNW
    18
    NNW
    18
    NNW
    19
    NNW
    19
    NNW
    21
    N
    23
    N
    24
    N
    25
    N
    25
    N
    25
    Wind gust (mph)
    28
    27
    27
    27
    26
    25
    25
    25
    27
    26
    27
    25
    26
    24
    24
    25
    27
    29
    29
    31
    31
    31
    32
    29
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    G
    G
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    80%
    80%
    79%
    81%
    81%
    78%
    80%
    78%
    77%
    78%
    76%
    75%
    75%
    75%
    75%
    74%
    74%
    74%
    74%
    74%
    73%
    72%
    70%
    70%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    20
    20
    19
    19
    18
    18
    18
    17
    18
    18
    18
    18
    18
    19
    19
    20
    21
    21
    21
    22
    24
    25
    25
    26
    Height of waves offshore (m)
    3.6
    3.4
    3.3
    3.1
    3.0
    3.0
    2.9
    2.9
    2.8
    2.8
    2.7
    2.7
    2.6
    2.6
    2.5
    2.5
    2.5
    2.5
    2.5
    2.6
    2.6
    2.6
    2.6
    2.6
    Period of waves offshore (s)
    14
    14
    14
    14
    14
    14
    14
    14
    14
    14
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    Direction of waves offshore
    Saturday (14 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Cloudy
    Chance of precipitation
    30%
    30%
    30%
    20%
    10%
    10%
    20%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    N
    25
    N
    24
    N
    24
    N
    22
    N
    17
    NNW
    14
    NNE
    14
    SE
    17
    Wind gust (mph)
    36
    35
    34
    30
    24
    23
    27
    30
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    G
    G
    Humidity
    70%
    68%
    67%
    64%
    60%
    58%
    59%
    59%
    UV - - - 1 2 1 - -
    Wind direction and speed (mph)
    24
    23
    23
    23
    22
    18
    17
    18
    Height of waves offshore (m)
    2.6
    2.6
    2.4
    2.4
    2.3
    Period of waves offshore (s)
    13
    13
    13
    13
    13
    Direction of waves offshore
    Sunday (15 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Light rain Light rain Light shower day Light shower day Light shower day Light shower night Light shower night
    Chance of precipitation
    40%
    50%
    60%
    50%
    50%
    60%
    50%
    50%
    Temperature (°C)
    10°
    10°
    10°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    SSE
    21
    S
    25
    S
    25
    SSW
    28
    SSW
    28
    SW
    28
    WSW
    29
    WSW
    28
    Wind gust (mph)
    33
    39
    40
    40
    39
    41
    42
    41
    Visibility (description)
    G
    G
    G
    G
    G
    G
    G
    M
    Humidity
    64%
    71%
    81%
    82%
    79%
    79%
    79%
    80%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    20
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Monday 9 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 9 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 9 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 9 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 10 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 10 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 10 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 10 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 11 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 11 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 11 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 11 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 12 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 12 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 12 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 12 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 13 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 13 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 13 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 13 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 14 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 14 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 14 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 14 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 15 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 15 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 15 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 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 15 February

    Tide times and heights are from St. Peter Port tidal station which is 3.4 miles away. So times may be different at this beach. What does this mean?

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

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