St Helena Bay Water Temperature

(Today) 2024

13.7°C / 56.7°F

The water will feel cool (fresh). Probably too cold for all but seasoned swimmers. We'd recommend a 4mm or 5mm wetsuit if you want to stay in the water.

Current weather

11°C / 52°F
(clear sky)
Partly cloudy
Wind
6 mph
Humidity
93%

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.

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

St Helena Bay average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in St Helena Bay
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 15.5 15.5 15.5 13.9 14.4 13.9 13.4 13.2 14.1 14.4 15.3 15.6
Max °C 19.9 19.4 19.8 18 17.3 17 16.3 16.5 16.3 17.3 17.7 18.5
Min °F 61.7 61.4 61.6 58.6 59 58.2 57.2 57 58.3 59 60.5 61.2
Max °F 66.1 65.3 65.9 62.7 61.9 61.3 60.1 60.3 60.5 61.9 62.9 64.1

The warmest water temperature is in January with an average around 63.9°F / 17.7°C. The coldest month is July with an average water temperature of 58.6°F / 14.8°C.

7 day tide forecast for St Helena Bay

SunMonTueWedThuFriSat
  • High 02:34am
    (1.51m)
  • Low 08:41am
    (0.35m)
  • High 02:53pm
    (1.65m)
  • Low 09:04pm
    (0.36m)
  • High 03:04am
    (1.57m)
  • Low 09:08am
    (0.31m)
  • High 03:21pm
    (1.71m)
  • Low 09:30pm
    (0.31m)
  • High 03:32am
    (1.62m)
  • Low 09:33am
    (0.28m)
  • High 03:47pm
    (1.76m)
  • Low 09:55pm
    (0.28m)
  • High 03:59am
    (1.64m)
  • Low 09:58am
    (0.27m)
  • High 04:12pm
    (1.76m)
  • Low 10:19pm
    (0.28m)
  • High 04:25am
    (1.64m)
  • Low 10:22am
    (0.28m)
  • High 04:38pm
    (1.74m)
  • Low 10:44pm
    (0.29m)
  • High 04:50am
    (1.6m)
  • Low 10:47am
    (0.32m)
  • High 05:02pm
    (1.69m)
  • Low 11:09pm
    (0.33m)
  • High 05:17am
    (1.54m)
  • Low 11:11am
    (0.38m)
  • High 05:28pm
    (1.62m)
  • Low 11:36pm
    (0.39m)
7 day tide times for St Helena Bay

*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.