Port Saint John’s Water Temperature

(Today) 2024

23.2°C / 73.7°F

The water will feel warm (balmy). Most people will be OK with just bathers / swimming costume at this temperature. If you intend to stay in the water for a while a thin shorty wetsuit will suffice.

Current weather

22°C / 72°F
(clear sky)
Partly cloudy
15 mph

The measurements for the water temperature in Port Saint John’s, Eastern 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 Port Saint John’s water temperature derived from many years of historical sea surface temperature data.

Port Saint John’s average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Port Saint John’s
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 24.3 24.9 25 23.8 22.6 21.2 20.4 19.2 20.8 21.2 21.9 22.6
Max °C 27.6 27.5 27.8 27.4 25.7 24.3 23.3 22.8 23 23.1 24 25.9
Min °F 77 77.9 78.1 76.3 73.9 71.4 69.8 68 70.3 70.9 72.2 74
Max °F 80.3 80.5 80.9 79.9 77 74.5 72.7 71.6 72.5 72.8 74.3 77.3

The warmest water temperature is in March with an average around 79.5°F / 26.4°C. The coldest month is August with an average water temperature of 69.8°F / 21.0°C.

7 day tide forecast for Port Saint John’s

  • Low 02:43am
  • High 08:36am
  • Low 02:44pm
  • High 09:21pm
  • Low 03:49am
  • High 09:44am
  • Low 03:53pm
  • High 10:37pm
  • Low 05:17am
  • High 11:21am
  • Low 05:26pm
  • High 12:03am
  • Low 06:41am
  • High 12:51pm
  • Low 06:53pm
  • High 01:15am
  • Low 07:42am
  • High 01:54pm
  • Low 07:57pm
  • High 02:09am
  • Low 08:29am
  • High 02:43pm
  • Low 08:47pm
  • High 02:55am
  • Low 09:11am
  • High 03:25pm
  • Low 09:30pm
7 day tide times for Port Saint John’s

*These tide times are estimates based on the nearest accurate location (East London, 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.