Knysna Water Temperature

(Today) 2024

17°C / 62.6°F

The water will feel medium. The water will feel a bit chilly in just bathers / swimming costume. If you plan on wearing a wetsuit 4/3mm should be thick enough.

Current weather

16°C / 61°F
(clear sky)
Partly cloudy
Wind
4 mph
Humidity
73%

The measurements for the water temperature in Knysna, 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 Knysna water temperature derived from many years of historical sea surface temperature data.

Knysna average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Knysna
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.7 19.1 18.6 17.5 16.9 16.4 16.5 15.8 16.6 16.9 17.9 18.7
Max °C 22.9 21.5 22.8 20.4 19.4 19.5 18.6 18.8 19.1 19.5 21.2 22.2
Min °F 67.3 67.3 67.2 64.6 63.4 62.7 62.5 61.6 62.8 63.5 65.5 67
Max °F 71.5 69.7 71.4 67.5 65.9 65.8 64.6 64.6 65.3 66.1 68.8 70.5

The warmest water temperature is in January with an average around 69.4°F / 20.8°C. The coldest month is August with an average water temperature of 63.1°F / 17.3°C.

7 day tide forecast for Knysna

SatSunMonTueWedThuFri
  • High 12:31am
    (1.51m)
  • Low 06:52am
    (0.74m)
  • High 01:04pm
    (1.37m)
  • Low 06:48pm
    (0.78m)
  • High 01:10am
    (1.61m)
  • Low 07:26am
    (0.64m)
  • High 01:42pm
    (1.48m)
  • Low 07:26pm
    (0.71m)
  • High 01:45am
    (1.7m)
  • Low 07:58am
    (0.55m)
  • High 02:15pm
    (1.58m)
  • Low 08:00pm
    (0.65m)
  • High 02:17am
    (1.78m)
  • Low 08:28am
    (0.48m)
  • High 02:47pm
    (1.65m)
  • Low 08:32pm
    (0.61m)
  • High 02:48am
    (1.84m)
  • Low 08:58am
    (0.42m)
  • High 03:18pm
    (1.72m)
  • Low 09:04pm
    (0.57m)
  • High 03:20am
    (1.87m)
  • Low 09:30am
    (0.39m)
  • High 03:51pm
    (1.75m)
  • Low 09:38pm
    (0.56m)
  • High 03:53am
    (1.88m)
  • Low 10:03am
    (0.37m)
  • High 04:25pm
    (1.77m)
  • Low 10:13pm
    (0.56m)
7 day tide times for Knysna

*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.