Hermanus Water Temperature
13°C / 56°F
The measurements for the water temperature in Hermanus, 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 water temp
Monthly average max / min water temperatures
The graph below shows the range of monthly Hermanus water temperature derived from many years of historical sea surface temperature data.
The warmest water temperature is in March with an average around 70°F / 21.1°C. The coldest month is August with an average water temperature of 59.4°F / 15.2°C.
7 day tide forecast for Hermanus
*These tide times are estimates based on the nearest accurate location (Cape Town, 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.