Arniston Water Temperature

(Today) 2024

20.9°C / 69.6°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

20°C / 69°F
(clear sky)
Partly cloudy
Wind
27 mph
Humidity
65%

The measurements for the water temperature in Arniston, Western Cape 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.

Water temp by month

Monthly average max / min water temperatures

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

Arniston average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Arniston
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 19.7 20.1 19.5 16.5 14.7 14.5 14 13.9 14.3 15.2 16.1 18.4
Max °C 23.1 22.5 22.9 21.1 18.1 16.3 15.6 15.7 16.9 17.9 19.4 21.1
Min °F 68.8 69.1 68.5 63.5 59.8 58.8 57.8 57.7 58.8 60.4 62.3 66.2
Max °F 72.2 71.5 71.9 68.1 63.2 60.6 59.4 59.5 61.4 63.1 65.6 68.9

The warmest water temperature is in January with an average around 70.5°F / 21.4°C. The coldest month is July with an average water temperature of 58.6°F / 14.8°C.


7 day tide forecast for Arniston

TueWedThuFriSatSunMon
  • High 04:55am
    (2m)
  • Low 11:02am
    (0.43m)
  • High 05:07pm
    (1.83m)
  • Low 11:05pm
    (0.45m)
  • High 05:20am
    (1.96m)
  • Low 11:28am
    (0.47m)
  • High 05:33pm
    (1.75m)
  • Low 11:30pm
    (0.5m)
  • High 05:46am
    (1.88m)
  • Low 11:56am
    (0.52m)
  • High 06:01pm
    (1.67m)
  • Low 11:57pm
    (0.57m)
  • High 06:15am
    (1.78m)
  • Low 12:28pm
    (0.59m)
  • High 06:35pm
    (1.53m)
  • Low 12:28am
    (0.66m)
  • High 06:50am
    (1.65m)
  • Low 01:09pm
    (0.68m)
  • High 07:18pm
    (1.39m)
  • Low 01:10am
    (0.76m)
  • High 07:38am
    (1.5m)
  • Low 02:09pm
    (0.77m)
  • High 08:26pm
    (1.26m)
  • Low 02:26am
    (0.87m)
  • High 09:00am
    (1.36m)
  • Low 03:59pm
    (0.82m)
  • High 10:26pm
    (1.23m)
7 day tide times for Arniston

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