Portelet Bay (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

Cloudy.
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 low tide (3.9m) at

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

    7 day forecast for Portelet Bay (Beach)

    Today (16 September 2025)
    Time
    21:00
    22:00
    23:00
    Weather symbols Cloudy Cloudy Cloudy
    Chance of precipitation
    <5%
    30%
    30%
    Temperature
    16°
    16°
    16°
    Feels like temperature (°C)
    13°
    13°
    13°
    Wind direction and speed
    WSW
    16
    SW
    16
    SW
    17
    Wind gust (mph)
    24
    24
    24
    Visibility
    E
    E
    E
    Humidity
    77%
    78%
    78%
    UV - - -
    Wind direction and speed
    16
    16
    17
    Height of waves offshore (m)
    1.6
    1.5
    1.4
    Period of waves offshore (s)
    12
    12
    11
    Direction of waves offshore
    Wednesday (17 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast
    Chance of precipitation
    20%
    30%
    10%
    20%
    20%
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    Temperature (°C)
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    17°
    17°
    18°
    18°
    19°
    19°
    19°
    19°
    19°
    19°
    18°
    18°
    18°
    18°
    18°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    12°
    12°
    12°
    12°
    12°
    12°
    13°
    13°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    SW
    17
    SW
    17
    SW
    18
    SSW
    19
    SSW
    21
    SSW
    23
    SW
    24
    SW
    25
    SW
    25
    SW
    25
    SW
    24
    SW
    24
    SW
    24
    SW
    23
    SW
    21
    SW
    21
    SW
    20
    SW
    20
    SW
    20
    SW
    20
    SW
    19
    SW
    19
    SW
    18
    SW
    18
    Wind gust (mph)
    25
    26
    27
    30
    32
    32
    33
    33
    32
    33
    33
    32
    30
    29
    27
    27
    26
    25
    25
    25
    25
    25
    25
    24
    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
    VG
    Humidity
    77%
    78%
    80%
    82%
    83%
    83%
    83%
    83%
    83%
    83%
    84%
    84%
    84%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    85%
    86%
    87%
    88%
    UV - - - - - - 1 1 1 2 2 3 4 3 3 2 2 1 1 1 - - - -
    Wind direction and speed (mph)
    17
    17
    18
    20
    21
    23
    24
    25
    25
    24
    24
    24
    23
    23
    21
    21
    20
    20
    20
    20
    19
    19
    18
    18
    Height of waves offshore (m)
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.5
    1.6
    1.6
    1.6
    1.7
    1.7
    1.7
    1.7
    1.8
    1.8
    1.8
    1.8
    1.8
    1.8
    1.8
    1.8
    1.8
    1.8
    Period of waves offshore (s)
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    7
    7
    8
    9
    9
    10
    10
    10
    10
    10
    10
    10
    10
    11
    Direction of waves offshore
    Thursday (18 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 Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Clear night Clear night Clear night Clear night
    Chance of precipitation
    10%
    <5%
    <5%
    <5%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    18°
    18°
    19°
    19°
    20°
    20°
    20°
    20°
    20°
    19°
    18°
    17°
    16°
    16°
    15°
    Feels like temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    18°
    19°
    19°
    20°
    20°
    19°
    18°
    17°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SW
    18
    SW
    18
    SW
    17
    SW
    17
    SSW
    17
    SSW
    18
    SSW
    18
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    17
    SSW
    16
    SSW
    15
    SSW
    14
    SSW
    12
    S
    10
    SSW
    8
    SSW
    7
    S
    6
    S
    5
    SSE
    4
    SSE
    4
    SSW
    4
    SSW
    5
    Wind gust (mph)
    24
    24
    24
    23
    23
    24
    24
    23
    23
    23
    23
    23
    21
    19
    15
    13
    11
    10
    10
    9
    8
    9
    8
    8
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    89%
    91%
    92%
    92%
    92%
    92%
    91%
    90%
    88%
    88%
    87%
    87%
    87%
    86%
    86%
    86%
    86%
    87%
    87%
    87%
    88%
    87%
    87%
    87%
    UV - - - - - - 1 1 1 1 2 3 4 4 4 3 2 1 1 1 - - - -
    Wind direction and speed (mph)
    18
    18
    18
    17
    17
    17
    17
    17
    17
    17
    17
    16
    15
    14
    12
    10
    8
    7
    6
    5
    5
    5
    4
    5
    Height of waves offshore (m)
    1.8
    1.9
    1.9
    1.9
    2.0
    1.9
    1.9
    1.9
    1.8
    1.7
    1.7
    1.6
    1.6
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.5
    1.4
    1.4
    1.3
    1.3
    Period of waves offshore (s)
    11
    11
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    12
    11
    11
    11
    11
    11
    11
    11
    11
    11
    11
    Direction of waves offshore
    Friday (19 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 Clear night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    Temperature (°C)
    15°
    15°
    15°
    16°
    16°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    18°
    18°
    18°
    18°
    19°
    18°
    18°
    17°
    16°
    16°
    16°
    16°
    Feels like temperature (°C)
    15°
    15°
    14°
    15°
    15°
    14°
    14°
    14°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    17°
    16°
    16°
    16°
    16°
    Wind direction and speed (mph)
    SW
    5
    SW
    6
    SW
    7
    SW
    8
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SW
    9
    SSW
    9
    SSW
    9
    SSW
    10
    SW
    10
    SW
    10
    SW
    10
    SSW
    9
    S
    7
    SSW
    7
    S
    6
    SSE
    6
    S
    5
    S
    6
    S
    6
    S
    7
    Wind gust (mph)
    9
    11
    12
    12
    13
    12
    11
    12
    11
    11
    12
    12
    12
    12
    11
    10
    9
    8
    8
    8
    7
    10
    10
    11
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    87%
    87%
    87%
    86%
    86%
    86%
    87%
    87%
    86%
    87%
    86%
    86%
    86%
    85%
    85%
    86%
    86%
    86%
    86%
    87%
    88%
    88%
    88%
    88%
    UV - - - - - - 1 1 1 1 2 3 4 4 3 2 1 1 1 1 - - - -
    Wind direction and speed (mph)
    5
    6
    7
    8
    9
    9
    9
    9
    9
    9
    9
    10
    10
    10
    9
    8
    7
    7
    6
    6
    6
    6
    6
    8
    Height of waves offshore (m)
    1.2
    1.2
    1.3
    1.3
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.4
    1.3
    1.3
    1.3
    1.3
    1.3
    1.3
    Period of waves offshore (s)
    11
    11
    11
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    10
    Direction of waves offshore
    Saturday (20 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 Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Cloudy Cloudy 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 Partly cloudy night
    Chance of precipitation
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    40%
    30%
    30%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    20%
    30%
    30%
    Temperature (°C)
    17°
    16°
    16°
    16°
    16°
    16°
    16°
    16°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    17°
    16°
    16°
    16°
    15°
    15°
    Feels like temperature (°C)
    16°
    15°
    15°
    15°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    14°
    13°
    13°
    13°
    12°
    12°
    Wind direction and speed (mph)
    SSW
    8
    SW
    10
    W
    10
    W
    11
    WNW
    11
    WNW
    12
    NW
    12
    NW
    12
    WNW
    12
    WNW
    12
    NW
    13
    NW
    14
    NW
    14
    WNW
    14
    WNW
    14
    WNW
    15
    WNW
    15
    WNW
    16
    WNW
    16
    WNW
    17
    WNW
    17
    NW
    16
    NW
    16
    WNW
    17
    Wind gust (mph)
    12
    12
    13
    14
    15
    17
    18
    18
    16
    15
    17
    17
    18
    16
    15
    15
    17
    23
    23
    24
    23
    21
    19
    19
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    E
    E
    E
    E
    E
    E
    E
    Humidity
    89%
    90%
    89%
    91%
    91%
    90%
    91%
    91%
    91%
    91%
    90%
    86%
    87%
    84%
    82%
    82%
    82%
    81%
    79%
    79%
    79%
    78%
    78%
    78%
    UV - - - - - - 1 1 1 1 1 2 2 3 3 2 2 1 1 1 - - - -
    Wind direction and speed (mph)
    9
    10
    10
    11
    11
    12
    12
    12
    13
    13
    13
    13
    14
    14
    15
    15
    15
    16
    16
    17
    17
    16
    16
    16
    Height of waves offshore (m)
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.2
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.1
    1.0
    1.0
    1.0
    1.0
    1.0
    1.1
    1.2
    1.3
    1.4
    1.5
    Period of waves offshore (s)
    10
    10
    10
    10
    10
    10
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    9
    Direction of waves offshore
    Sunday (21 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 intervals Partly cloudy night Cloudy
    Chance of precipitation
    30%
    30%
    40%
    40%
    40%
    30%
    30%
    40%
    40%
    Temperature (°C)
    15°
    15°
    15°
    14°
    15°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    12°
    12°
    12°
    11°
    12°
    12°
    11°
    11°
    11°
    Wind direction and speed (mph)
    NW
    16
    NW
    16
    NNW
    16
    N
    16
    N
    17
    N
    19
    NNE
    20
    NNE
    20
    NNE
    22
    Wind gust (mph)
    17
    19
    20
    18
    18
    22
    23
    29
    32
    Visibility (description)
    E
    E
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    80%
    80%
    77%
    78%
    79%
    77%
    73%
    72%
    71%
    UV - - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    16
    16
    16
    16
    17
    19
    20
    20
    22
    Height of waves offshore (m)
    1.7
    1.8
    2.2
    2.4
    2.9
    2.1
    2.0
    2.2
    2.5
    Period of waves offshore (s)
    9
    9
    9
    8
    8
    9
    7
    7
    8
    Direction of waves offshore
    Monday (22 September 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    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)
    15°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    Feels like temperature (°C)
    11°
    10°
    10°
    10°
    11°
    11°
    11°
    11°
    Wind direction and speed (mph)
    NE
    22
    NE
    21
    NE
    21
    NE
    21
    NE
    22
    NE
    22
    NE
    22
    NE
    22
    Wind gust (mph)
    29
    30
    29
    30
    27
    24
    24
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    70%
    69%
    72%
    73%
    70%
    65%
    64%
    65%
    UV - - 1 2 4 2 1 -
    Wind direction and speed (mph)
    22
    Height of waves offshore (m)
    2.7
    Period of waves offshore (s)
    8
    Direction of waves offshore

    Tide times

    Tuesday 16 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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. Peter Port tidal station which is 5.9 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 18 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 18 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 18 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 18 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 19 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 19 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 19 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 19 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 20 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 20 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 20 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 20 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 21 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 21 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 21 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 21 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 22 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 22 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 22 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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 22 September

    Tide times and heights are from St. Peter Port tidal station which is 5.9 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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