Plettenberg Bay Water Temperature

(Today) 2026

20°C / 68°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

21°C / 71°F
(few clouds)
Partly cloudy
Wind
1 mph
Humidity
73%

The measurements for the water temperature in Plettenberg Bay, 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.

*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 Plettenberg Bay water temperature derived from many years of historical sea surface temperature data.

Plettenberg Bay average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Plettenberg Bay
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 18.8 19.8 19.3 18.5 17.7 17.2 17.1 16.5 17.4 17.3 18.1 19
Max °C 24 22.5 23.2 22.2 21.8 21.2 20 20 19.8 20.5 21.8 22.9
Min °F 67.9 68.7 68.3 66.7 65.5 64.6 63.9 63.1 64.3 64.4 66 67.7
Max °F 73.1 71.4 72.2 70.4 69.6 68.6 66.8 66.6 66.7 67.6 69.7 71.6

The warmest water temperature is in January with an average around 70.5°F / 21.4°C. The coldest month is August with an average water temperature of 64.8°F / 18.2°C.

7 day tide forecast for Plettenberg Bay

MonTueWedThuFriSatSun
  • High 05:02am
    (1.9m)
  • Low 11:07am
    (0.32m)
  • High 05:12pm
    (1.88m)
  • Low 11:25pm
    (0.2m)
  • High 05:40am
    (1.88m)
  • Low 11:46am
    (0.37m)
  • High 05:49pm
    (1.82m)
  • Low 12:01am
    (0.26m)
  • High 06:18am
    (1.84m)
  • Low 12:24pm
    (0.44m)
  • High 06:24pm
    (1.75m)
  • Low 12:36am
    (0.35m)
  • High 06:54am
    (1.76m)
  • Low 01:01pm
    (0.54m)
  • High 06:59pm
    (1.65m)
  • Low 01:10am
    (0.47m)
  • High 07:31am
    (1.68m)
  • Low 01:40pm
    (0.66m)
  • High 07:35pm
    (1.54m)
  • Low 01:45am
    (0.59m)
  • High 08:11am
    (1.58m)
  • Low 02:23pm
    (0.78m)
  • High 08:15pm
    (1.43m)
  • Low 02:26am
    (0.72m)
  • High 09:00am
    (1.49m)
  • Low 03:21pm
    (0.88m)
  • High 09:09pm
    (1.32m)
7 day tide times for Plettenberg Bay

*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.