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Green Island (Beach) (Jersey) 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.
Beach safety today
Large, powerful waves and strong wind
  • • only experts should take part in water activities

Tide: Next low tide (1.2m) at

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

    7 day forecast for Green Island (Beach)

    Today (11 September 2025)
    Time
    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 day Light shower day Light shower day Light shower day Light shower day Light shower day Light shower night Heavy shower night Heavy shower night Light shower night Heavy shower night
    Chance of precipitation
    90%
    70%
    50%
    60%
    50%
    70%
    70%
    80%
    80%
    70%
    80%
    Temperature
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    14°
    14°
    14°
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    Wind direction and speed
    WSW
    20
    W
    20
    W
    20
    W
    20
    W
    20
    W
    18
    W
    18
    W
    17
    W
    17
    W
    17
    W
    17
    Wind gust (mph)
    41
    41
    42
    43
    41
    42
    43
    42
    42
    41
    41
    Visibility
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    60%
    61%
    63%
    58%
    61%
    65%
    67%
    69%
    70%
    71%
    71%
    UV 6 5 4 2 1 1 1 - - - -
    Wind direction and speed
    18
    19
    17
    14
    Height of waves offshore (m)
    1.5
    1.6
    1.9
    1.9
    Period of waves offshore (s)
    10
    10
    8
    9
    Direction of waves offshore
    Friday (12 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 Heavy shower night Heavy shower night Light shower night Heavy shower night Heavy shower night Light shower night Heavy shower night Heavy shower day Light shower day Light shower day Light shower day Sunny intervals Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Partly cloudy night Cloudy Partly cloudy night Cloudy Cloudy
    Chance of precipitation
    80%
    80%
    70%
    80%
    80%
    70%
    80%
    70%
    70%
    60%
    50%
    50%
    50%
    40%
    40%
    30%
    30%
    20%
    40%
    50%
    40%
    40%
    40%
    30%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    13°
    Wind direction and speed (mph)
    W
    17
    W
    17
    W
    16
    WSW
    15
    W
    15
    W
    15
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    14
    WSW
    14
    WSW
    13
    WSW
    12
    WSW
    12
    WSW
    11
    SW
    11
    SW
    13
    SW
    14
    SW
    14
    Wind gust (mph)
    41
    40
    39
    39
    39
    37
    36
    36
    34
    34
    33
    33
    32
    31
    30
    28
    27
    26
    27
    29
    30
    32
    33
    34
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    71%
    72%
    72%
    71%
    73%
    73%
    77%
    79%
    75%
    73%
    72%
    68%
    60%
    58%
    57%
    57%
    61%
    61%
    65%
    67%
    68%
    67%
    71%
    73%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    13
    13
    12
    15
    16
    16
    15
    14
    Height of waves offshore (m)
    1.5
    1.5
    1.5
    1.4
    1.4
    1.5
    1.5
    1.4
    Period of waves offshore (s)
    10
    10
    10
    10
    11
    11
    11
    11
    Direction of waves offshore
    Saturday (13 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 Cloudy Light shower night Light shower night Light shower night Light shower night Light shower night Light shower day Light shower day Sunny intervals Light shower day Light shower day Light shower day Sunny intervals Sunny intervals Sunny day Sunny day Sunny day Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Cloudy
    Chance of precipitation
    50%
    50%
    50%
    60%
    60%
    60%
    60%
    60%
    50%
    40%
    50%
    60%
    60%
    40%
    30%
    20%
    10%
    10%
    20%
    20%
    30%
    30%
    30%
    30%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    17°
    17°
    16°
    16°
    16°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SW
    15
    SW
    16
    SW
    15
    SW
    16
    SW
    16
    SW
    16
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    15
    WSW
    16
    WSW
    15
    WSW
    15
    WSW
    16
    WSW
    16
    WSW
    16
    W
    16
    W
    16
    W
    15
    W
    13
    W
    11
    WSW
    10
    WSW
    10
    SW
    11
    Wind gust (mph)
    35
    36
    36
    37
    36
    36
    35
    35
    34
    34
    34
    32
    33
    32
    30
    30
    32
    31
    30
    29
    26
    25
    25
    25
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    75%
    77%
    78%
    81%
    80%
    82%
    82%
    82%
    79%
    76%
    75%
    73%
    74%
    69%
    64%
    61%
    59%
    60%
    66%
    68%
    70%
    74%
    76%
    78%
    UV - - - - - - 1 1 1 2 3 4 5 5 5 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    14
    14
    17
    20
    19
    21
    21
    21
    Height of waves offshore (m)
    1.4
    1.5
    1.5
    1.4
    1.3
    1.2
    1.2
    1.3
    Period of waves offshore (s)
    11
    11
    7
    9
    10
    11
    11
    11
    Direction of waves offshore
    Sunday (14 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 Cloudy Light rain Light rain Heavy rain Heavy rain Light rain Light rain Heavy rain Heavy rain Light rain Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light shower night Light shower night Light shower night Partly cloudy night
    Chance of precipitation
    30%
    50%
    50%
    60%
    70%
    80%
    80%
    80%
    80%
    80%
    70%
    50%
    40%
    40%
    30%
    30%
    30%
    30%
    50%
    60%
    60%
    60%
    50%
    40%
    Temperature (°C)
    16°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    19°
    19°
    19°
    20°
    20°
    20°
    20°
    19°
    19°
    18°
    18°
    17°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    16°
    17°
    17°
    17°
    16°
    16°
    16°
    15°
    14°
    14°
    13°
    Wind direction and speed (mph)
    SW
    11
    SW
    11
    SW
    11
    SSW
    11
    SSW
    12
    S
    13
    S
    14
    S
    15
    SSW
    16
    SSW
    17
    SSW
    17
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    19
    SW
    19
    SW
    20
    SW
    20
    SW
    21
    WSW
    21
    WSW
    22
    Wind gust (mph)
    25
    25
    24
    25
    24
    23
    26
    28
    32
    31
    31
    35
    34
    33
    33
    35
    36
    38
    40
    42
    43
    44
    44
    45
    Visibility (description)
    E
    E
    VG
    VG
    G
    M
    M
    M
    G
    G
    G
    G
    VG
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    Humidity
    81%
    84%
    88%
    91%
    92%
    93%
    94%
    94%
    96%
    96%
    96%
    95%
    94%
    92%
    91%
    89%
    86%
    85%
    85%
    86%
    87%
    83%
    82%
    79%
    UV - - - - - - 1 1 1 1 1 2 2 3 3 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    23
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore
    Monday (15 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 Light shower night Light shower night Light shower day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Light shower night
    Chance of precipitation
    30%
    40%
    50%
    50%
    50%
    60%
    60%
    60%
    50%
    50%
    50%
    40%
    40%
    40%
    30%
    30%
    40%
    40%
    40%
    50%
    50%
    50%
    50%
    50%
    Temperature (°C)
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    11°
    12°
    12°
    12°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    13°
    Wind direction and speed (mph)
    WSW
    23
    WSW
    23
    WSW
    23
    WSW
    22
    WSW
    23
    W
    23
    W
    23
    W
    22
    W
    21
    W
    21
    W
    21
    W
    21
    W
    21
    W
    21
    W
    20
    W
    20
    W
    20
    W
    20
    W
    19
    W
    18
    W
    17
    W
    17
    W
    17
    W
    17
    Wind gust (mph)
    45
    48
    47
    48
    47
    48
    48
    47
    46
    44
    43
    42
    41
    41
    40
    38
    37
    38
    36
    34
    34
    34
    33
    33
    Visibility (description)
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    E
    VG
    VG
    Humidity
    78%
    77%
    78%
    77%
    76%
    76%
    76%
    75%
    74%
    72%
    68%
    65%
    65%
    64%
    65%
    66%
    65%
    66%
    69%
    73%
    74%
    75%
    74%
    75%
    UV - - - - - - 1 1 1 2 3 4 5 5 4 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore
    Tuesday (16 September 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Light shower night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Cloudy Cloudy Cloudy
    Chance of precipitation
    50%
    40%
    40%
    30%
    20%
    10%
    20%
    30%
    30%
    Temperature (°C)
    16°
    16°
    16°
    15°
    16°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    14°
    14°
    14°
    14°
    14°
    Wind direction and speed (mph)
    W
    16
    W
    16
    W
    14
    W
    15
    W
    15
    WSW
    15
    WSW
    15
    WSW
    15
    SW
    14
    Wind gust (mph)
    32
    30
    27
    24
    23
    20
    19
    22
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    75%
    75%
    74%
    72%
    74%
    76%
    UV - - - 1 2 5 2 1 -
    Wind direction and speed (mph)
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore
    Wednesday (17 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Cloudy Light rain Light rain Cloudy Cloudy Cloudy Cloudy
    Chance of precipitation
    40%
    40%
    50%
    50%
    50%
    40%
    40%
    40%
    Temperature (°C)
    16°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    Feels like temperature (°C)
    14°
    13°
    13°
    14°
    14°
    14°
    13°
    13°
    Wind direction and speed (mph)
    SW
    15
    SW
    16
    SW
    18
    SW
    18
    SW
    20
    WSW
    20
    W
    20
    W
    19
    Wind gust (mph)
    24
    25
    27
    27
    25
    26
    27
    26
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    Humidity
    79%
    81%
    83%
    85%
    83%
    84%
    83%
    85%
    UV - - 1 1 3 1 1 -
    Wind direction and speed (mph)
    Height of waves offshore (m)
    Period of waves offshore (s)
    Direction of waves offshore

    Tide times

    Thursday 11 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 11 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 11 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 11 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 12 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 12 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 12 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 12 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 13 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 13 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 13 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 13 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 14 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 14 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 14 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 14 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 15 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 15 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 15 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 15 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 16 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 16 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 16 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 16 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 17 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 17 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 17 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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 17 September

    Tide times and heights are from St. Helier tidal station which is 1.2 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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