Sea Temperature

St Helena Bay Sea Temperature

(Today) Aug 2019

14.7°C / 58.4°F

Current weather

21°C / 70°F
(clear sky)

Partly cloudy
Wind

11 mph

Humidity

61%


The measurements for the water temperature in St Helena 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.

Monthly average max / min water temperatures

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

Maximum and minimum monthly sea temperatures in St Helena Bay
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.4 15.3 15.1 13.5 14.1 13.5 13 12.9 13.7 14 14.8 14.9
Max °C 19.3 19 19.3 17.4 16.5 16.7 15.8 16 16.1 17.2 17.6 18.4
Min °F 61.2 61 60.9 57.8 58.3 57.6 56.5 56.4 57.6 58.5 59.8 60.2
Max °F 65.1 64.7 65.1 61.7 60.7 60.8 59.3 59.5 60 61.7 62.6 63.7

7 day tide forecast for St Helena Bay

TueWedThuFriSatSunMon
  • High 5:44am
    (1.52m)
  • Low 11:44am
    (0.50m)
  • High 6:03pm
    (1.60m)
  • Low 12:13am
    (0.54m)
  • High 6:18am
    (1.46m)
  • Low 12:17pm
    (0.56m)
  • High 6:37pm
    (1.54m)
  • Low 12:53am
    (0.60m)
  • High 6:58am
    (1.38m)
  • Low 12:56pm
    (0.64m)
  • High 7:20pm
    (1.47m)
  • Low 1:44am
    (0.67m)
  • High 7:51am
    (1.31m)
  • Low 1:51pm
    (0.72m)
  • High 8:19pm
    (1.40m)
  • Low 2:57am
    (0.71m)
  • High 9:08am
    (1.26m)
  • Low 3:16pm
    (0.78m)
  • High 9:42pm
    (1.37m)
  • Low 4:30am
    (0.70m)
  • High 10:47am
    (1.28m)
  • Low 4:58pm
    (0.75m)
  • High 11:16pm
    (1.40m)
  • Low 5:52am
    (0.62m)
  • High 12:10pm
    (1.39m)
  • Low 6:19pm
    (0.65m)

*These tide times are estimates based on the nearest port (Cape Town, 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 August sea temperatures

  • Max: 16°C / 60.7°F
  • Avg: 14.4°C / 57.9°F
  • Min: 12.9°C / 55.1°F
St Helena Bay average sea temperature chart

These average ocean temperatures for St Helena Bay are calculated from several years of archived data.

Map showing location of St Helena Bay (-32.758333, 18.027778)

Locations nearby

Variations

Whilst sea temperatures for St Helena Bay 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 St Helena Bay
St Helena Bay, St Helenabaai

St Helena Bay average sea temperature chart