Sea Temperature

Port Saint John’s Sea Temperature

(Today) Sep 2018

22.8°C / 73°F

Current weather

19°C / 66°F
(scattered clouds)

Partly cloudy
Wind

10 mph

Humidity

94%


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.

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.

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

7 day tide forecast for Port Saint John’s

WedThuFriSatSunMonTue
  • Low 06:12am
    (0.94m)
  • High 12:46pm
    (1.39m)
  • Low 06:57pm
    (0.93m)
  • High 01:04am
    (1.43m)
  • Low 07:17am
    (0.82m)
  • High 01:37pm
    (1.53m)
  • Low 07:44pm
    (0.80m)
  • High 01:48am
    (1.55m)
  • Low 07:54am
    (0.68m)
  • High 02:11pm
    (1.66m)
  • Low 08:16pm
    (0.67m)
  • High 02:20am
    (1.67m)
  • Low 08:24am
    (0.56m)
  • High 02:39pm
    (1.78m)
  • Low 08:45pm
    (0.54m)
  • High 02:49am
    (1.77m)
  • Low 08:53am
    (0.45m)
  • High 03:05pm
    (1.89m)
  • Low 09:12pm
    (0.44m)
  • High 03:16am
    (1.86m)
  • Low 09:20am
    (0.37m)
  • High 03:31pm
    (1.97m)
  • Low 09:39pm
    (0.36m)
  • High 03:43am
    (1.93m)
  • Low 09:47am
    (0.31m)
  • High 03:58pm
    (2.03m)
  • Low 10:07pm
    (0.30m)

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

Average September sea temperatures

  • Max: 23°C / 73.4°F
  • Avg: 21.9°C / 71.4°F
  • Min: 20.8°C / 69.4°F
Port Saint John’s average sea temperature chart

These average ocean temperatures for Port Saint John’s are calculated from several years of archived data.

Map showing location of Port Saint John’s (-31.622910, 29.544770)

Locations nearby

Variations

Whilst sea temperatures for Port Saint John’s are as accurate as current data allows, there may be slight local and regional variations depending on conditions. Time of day and wind direction may have a temporary local effect as can water flows from neraby rivers.

Alternate names for Port Saint John’s
Port Saint John's, Port Saint John’s, Umzimvubu

Port Saint John’s average sea temperature chart