Penarth Sea Temperature

(Today) 2024

9.8°C / 49.6°F

The water will feel cold. All but the most ardent watersports enthusiasts will be thinking of packing up for the winter. If not we'd suggest a thick 5/4mm wetsuit along with some boots and a hood.

*Live data from Weston Bay: 9.0°C / 48.2°F

Current weather

6°C / 44°F
(overcast clouds)
Partly cloudy
Wind
13 mph
Humidity
77%

The measurements for the water temperature in Penarth, Wales are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.

*Live data may vary from satellite readings for a number of reasons. These include local factors, depth of smapling and time of day.

Water temp by month

Monthly average max / min water temperatures

The graph below shows the range of monthly Penarth water temperature derived from many years of historical sea surface temperature data.

Penarth average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Penarth
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 7.2 7.3 7.4 8.2 10.2 11.9 14 16 15.6 14.2 12.3 9.5
Max °C 10.4 9.8 9.3 11 12.5 15.3 17.6 17.5 17.4 16.3 14.8 12.7
Min °F 46.2 46.1 46 47.9 51.2 54.8 58.6 61.4 60.8 58.4 55.1 50.4
Max °F 49.4 48.6 47.9 50.7 53.5 58.2 62.2 62.9 62.6 60.5 57.6 53.6

The warmest water temperature is in August with an average around 62.1°F / 16.7°C. The coldest month is March with an average water temperature of 46.9°F / 8.3°C.

7 day tide forecast for Penarth

WedThuFriSatSunMonTue
  • High 02:26am
    (10.3m)
  • Low 08:39am
    (3.24m)
  • High 03:02pm
    (10.65m)
  • Low 09:20pm
    (2.88m)
  • High 03:34am
    (10.66m)
  • Low 09:54am
    (2.84m)
  • High 04:09pm
    (11.02m)
  • Low 10:28pm
    (2.49m)
  • High 04:39am
    (11.12m)
  • Low 11:00am
    (2.44m)
  • High 05:11pm
    (11.45m)
  • Low 11:30pm
    (2.17m)
  • High 05:37am
    (11.59m)
  • Low 12:00pm
    (2.12m)
  • High 06:05pm
    (11.83m)
  • Low 12:26am
    (1.98m)
  • High 06:28am
    (11.95m)
  • Low 12:55pm
    (1.94m)
  • High 06:54pm
    (12.05m)
  • Low 01:19am
    (1.92m)
  • High 07:15am
    (12.14m)
  • Low 01:45pm
    (1.92m)
  • High 07:39pm
    (12.06m)
  • Low 02:06am
    (2.02m)
  • High 07:58am
    (12.1m)
  • Low 02:25pm
    (2.06m)
  • High 08:22pm
    (11.85m)
7 day tide times for Penarth

*These tide times are estimates based on the nearest accurate location (Hinkley Point, England) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.