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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

Sunny intervals changing to light rain by lunchtime.
Beach safety today
Very large, powerful waves and strong wind
  • • very high likelihood of injury in or near the sea

Tide: Next high tide (6.3m) at

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

    7 day forecast for Grandes Rocques (Beach)

    Today (11 February 2026)
    Time
    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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Light rain Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Light rain Light rain Light rain Light rain
    Chance of precipitation
    10%
    20%
    20%
    30%
    10%
    20%
    50%
    80%
    90%
    90%
    ≥95%
    ≥95%
    ≥95%
    90%
    80%
    60%
    60%
    Temperature
    11°
    11°
    11°
    11°
    12°
    12°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed
    WSW
    30
    WSW
    29
    WSW
    28
    WSW
    26
    WSW
    24
    SW
    22
    SW
    20
    SSW
    18
    S
    16
    S
    15
    SSE
    14
    S
    14
    SSW
    15
    SW
    18
    WSW
    18
    WSW
    18
    W
    18
    Wind gust (mph)
    43
    41
    39
    36
    32
    30
    28
    25
    24
    24
    26
    27
    31
    30
    27
    29
    29
    Visibility
    G
    G
    G
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    85%
    84%
    84%
    85%
    83%
    84%
    85%
    86%
    91%
    94%
    95%
    94%
    94%
    93%
    92%
    91%
    92%
    UV 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed
    29
    28
    26
    24
    22
    20
    18
    16
    15
    14
    14
    16
    17
    18
    18
    18
    Height of waves offshore (m)
    3.1
    3.2
    3.3
    3.3
    3.2
    3.1
    3.0
    3.0
    2.9
    2.8
    2.8
    2.8
    2.8
    2.8
    2.8
    2.8
    Period of waves offshore (s)
    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 rain Partly cloudy night Partly cloudy night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Light shower day Light shower day Light shower day Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night
    Chance of precipitation
    50%
    50%
    40%
    60%
    70%
    70%
    70%
    60%
    50%
    20%
    30%
    30%
    30%
    50%
    50%
    50%
    60%
    70%
    70%
    60%
    60%
    50%
    50%
    70%
    Temperature (°C)
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    10°
    10°
    10°
    10°
    10°
    10°
    10°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    NW
    20
    NW
    22
    WNW
    23
    WNW
    22
    WNW
    22
    W
    24
    W
    27
    W
    30
    WNW
    32
    WNW
    32
    WNW
    32
    WNW
    32
    W
    31
    W
    30
    W
    29
    W
    28
    W
    27
    W
    25
    W
    23
    W
    22
    W
    22
    W
    21
    W
    21
    W
    19
    Wind gust (mph)
    31
    33
    32
    34
    36
    42
    43
    45
    47
    47
    46
    46
    44
    44
    42
    40
    39
    38
    36
    34
    32
    31
    30
    28
    Visibility (description)
    M
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    G
    Humidity
    92%
    90%
    86%
    86%
    85%
    85%
    84%
    84%
    83%
    78%
    77%
    76%
    75%
    74%
    76%
    77%
    77%
    78%
    79%
    79%
    79%
    79%
    79%
    80%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    20
    22
    22
    22
    23
    25
    28
    31
    32
    32
    32
    32
    31
    31
    30
    29
    27
    26
    24
    23
    22
    21
    20
    19
    Height of waves offshore (m)
    2.7
    2.8
    2.8
    2.8
    2.8
    3.0
    3.2
    3.5
    3.6
    3.8
    3.9
    4.0
    4.1
    4.2
    4.2
    4.2
    4.1
    4.1
    4.0
    3.9
    3.9
    3.8
    3.6
    3.5
    Period of waves offshore (s)
    14
    14
    14
    14
    14
    14
    14
    13
    13
    13
    13
    14
    15
    15
    15
    15
    15
    15
    15
    14
    14
    14
    14
    14
    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 Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light shower night Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    60%
    70%
    70%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    60%
    60%
    60%
    70%
    70%
    70%
    70%
    70%
    60%
    50%
    50%
    40%
    30%
    20%
    Temperature (°C)
    Feels like temperature (°C)
    Wind direction and speed (mph)
    WSW
    18
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    15
    W
    14
    WSW
    13
    W
    13
    WNW
    10
    ENE
    10
    NE
    11
    ENE
    12
    NE
    15
    NE
    19
    NE
    23
    NE
    25
    NE
    26
    NNE
    27
    NNE
    28
    NNE
    30
    NNE
    30
    NNE
    30
    NNE
    29
    NNE
    28
    Wind gust (mph)
    25
    26
    26
    25
    23
    22
    23
    19
    21
    25
    24
    26
    29
    34
    35
    36
    39
    40
    43
    43
    44
    43
    42
    40
    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
    82%
    82%
    82%
    79%
    79%
    80%
    79%
    79%
    82%
    83%
    84%
    83%
    81%
    82%
    83%
    82%
    79%
    75%
    74%
    71%
    68%
    66%
    65%
    65%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    18
    16
    15
    15
    14
    14
    14
    14
    15
    15
    15
    17
    19
    22
    24
    25
    26
    27
    28
    29
    29
    29
    28
    27
    Height of waves offshore (m)
    3.4
    3.3
    3.2
    3.1
    2.9
    2.8
    2.7
    2.6
    2.5
    2.4
    2.3
    2.3
    2.3
    2.2
    2.1
    2.1
    2.0
    2.0
    2.4
    2.7
    2.7
    2.7
    2.6
    2.5
    Period of waves offshore (s)
    14
    14
    14
    14
    14
    14
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    10
    7
    7
    7
    Direction of waves offshore
    Saturday (14 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 Partly cloudy night 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 Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    20%
    30%
    40%
    Temperature (°C)
    Feels like temperature (°C)
    -1°
    Wind direction and speed (mph)
    NNE
    27
    N
    27
    N
    26
    N
    26
    N
    25
    N
    24
    N
    24
    N
    23
    N
    22
    N
    20
    N
    18
    N
    17
    NNW
    15
    NNW
    13
    NW
    12
    NW
    11
    WNW
    11
    WNW
    11
    W
    10
    SW
    10
    SSW
    10
    SSW
    11
    SSW
    13
    SSW
    16
    Wind gust (mph)
    40
    40
    39
    37
    36
    35
    35
    33
    31
    29
    27
    25
    22
    20
    19
    17
    18
    19
    20
    18
    18
    22
    27
    30
    Visibility (description)
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    G
    G
    G
    G
    G
    G
    G
    Humidity
    63%
    62%
    61%
    60%
    58%
    57%
    57%
    57%
    56%
    56%
    56%
    56%
    56%
    55%
    54%
    55%
    54%
    52%
    52%
    51%
    52%
    56%
    58%
    59%
    UV - - - - - - - 1 1 1 1 1 2 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    26
    26
    25
    24
    24
    23
    23
    22
    21
    19
    17
    15
    14
    12
    11
    11
    11
    11
    11
    10
    10
    12
    14
    17
    Height of waves offshore (m)
    2.4
    2.4
    2.3
    2.1
    2.0
    1.9
    1.7
    1.6
    1.5
    1.4
    1.4
    1.3
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.3
    1.3
    1.4
    1.4
    Period of waves offshore (s)
    7
    7
    7
    12
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    13
    Direction of waves offshore
    Sunday (15 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 Cloudy Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Light rain Overcast Light rain Light rain Light rain Light rain Cloudy Light shower day Light shower night Cloudy Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    50%
    50%
    70%
    80%
    80%
    80%
    80%
    60%
    60%
    50%
    50%
    50%
    60%
    60%
    50%
    50%
    50%
    50%
    50%
    40%
    40%
    40%
    40%
    40%
    Temperature (°C)
    10°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    S
    19
    S
    21
    S
    23
    S
    24
    S
    26
    S
    27
    S
    27
    S
    27
    SSW
    25
    SSW
    25
    SSW
    25
    SW
    25
    SW
    24
    SW
    23
    SW
    22
    WSW
    22
    WSW
    22
    WSW
    23
    WSW
    24
    WSW
    24
    W
    24
    W
    25
    WSW
    26
    WSW
    26
    Wind gust (mph)
    33
    35
    38
    45
    46
    45
    46
    45
    40
    37
    38
    39
    37
    36
    31
    31
    31
    30
    31
    34
    35
    34
    36
    36
    Visibility (description)
    G
    G
    G
    G
    G
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    62%
    64%
    70%
    76%
    78%
    81%
    85%
    89%
    89%
    88%
    88%
    89%
    91%
    91%
    91%
    90%
    89%
    89%
    88%
    85%
    84%
    83%
    83%
    84%
    UV - - - - - - - 1 1 1 1 1 1 1 1 1 1 1 - - - - - -
    Wind direction and speed (mph)
    20
    21
    23
    24
    26
    27
    28
    27
    26
    26
    26
    25
    24
    23
    23
    23
    23
    23
    24
    24
    25
    26
    26
    26
    Height of waves offshore (m)
    1.5
    1.6
    1.6
    1.6
    1.7
    1.8
    1.9
    2.0
    2.1
    2.1
    2.5
    3.0
    3.3
    3.4
    3.4
    3.4
    3.4
    3.3
    3.3
    3.4
    3.5
    3.6
    3.7
    3.8
    Period of waves offshore (s)
    13
    13
    13
    13
    12
    12
    12
    12
    12
    12
    12
    11
    10
    11
    11
    11
    11
    11
    11
    12
    11
    11
    11
    11
    Direction of waves offshore
    Monday (16 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Light shower day Light shower day Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    40%
    40%
    50%
    60%
    40%
    50%
    50%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    27
    W
    28
    W
    29
    W
    28
    WSW
    29
    W
    29
    W
    27
    W
    27
    Wind gust (mph)
    39
    39
    39
    39
    41
    39
    37
    36
    Visibility (description)
    M
    M
    M
    M
    M
    M
    M
    M
    Humidity
    83%
    79%
    77%
    78%
    78%
    78%
    76%
    76%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    27
    28
    29
    28
    29
    29
    27
    27
    Height of waves offshore (m)
    3.9
    4.3
    4.4
    4.4
    4.2
    3.8
    3.4
    3.0
    Period of waves offshore (s)
    11
    12
    12
    12
    12
    13
    13
    13
    Direction of waves offshore
    Tuesday (17 February 2026)
    Time
    00:00
    03:00
    06:00
    09:00
    12:00
    15:00
    18:00
    21:00
    Weather symbols Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    40%
    30%
    40%
    40%
    30%
    30%
    40%
    Temperature (°C)
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    11°
    Feels like temperature (°C)
    Wind direction and speed (mph)
    W
    26
    W
    27
    WNW
    26
    W
    24
    WSW
    24
    WSW
    23
    WSW
    21
    WSW
    23
    Wind gust (mph)
    38
    38
    36
    36
    33
    32
    31
    34
    Visibility (description)
    M
    G
    M
    G
    G
    G
    G
    G
    Humidity
    76%
    75%
    75%
    75%
    75%
    76%
    79%
    78%
    UV - - - 1 1 1 - -
    Wind direction and speed (mph)
    26
    Height of waves offshore (m)
    2.6
    Period of waves offshore (s)
    13
    Direction of waves offshore

    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.

    Tide times

    Monday 16 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 16 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 16 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 16 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 17 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 17 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 17 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 17 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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