Greenwich Water Temperature

(Today) 2024

20.6°C / 69.1°F

The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.

Current weather

21°C / 70°F
(overcast clouds)
Partly cloudy
Wind
8 mph
Humidity
86%

The measurements for the water temperature in Greenwich, New South Wales 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 Greenwich water temperature derived from many years of historical sea surface temperature data.

Greenwich average maximum / minimum water temperatures
Maximum and minimum monthly sea temperatures in Greenwich
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 21.4 22.1 21.9 20.6 19.2 17.8 17.3 17.2 17.3 17.7 18.9 19.6
Max °C 25.2 25.4 25.2 24.7 23 21.6 21.2 20.5 19.9 20.8 22.2 24.9
Min °F 72 73.1 72.7 70.7 68.1 65.6 64.7 64.2 64.2 65.1 67.3 69.4
Max °F 75.8 76.4 76 74.8 71.9 69.4 68.6 67.5 66.8 68.2 70.6 74.7

The warmest water temperature is in February with an average around 74.7°F / 23.7°C. The coldest month is September with an average water temperature of 65.5°F / 18.6°C.

7 day tide forecast for Greenwich

ThuFriSatSunMonTueWed
  • High 6:13am
    (1.6m)
  • Low 12:42pm
    (0.32m)
  • High 6:37pm
    (1.29m)
  • Low 12:33am
    (0.3m)
  • High 7:04am
    (1.72m)
  • Low 1:43pm
    (0.22m)
  • High 7:38pm
    (1.26m)
  • Low 1:22am
    (0.31m)
  • High 7:54am
    (1.8m)
  • Low 2:40pm
    (0.14m)
  • High 8:35pm
    (1.22m)
  • Low 2:10am
    (0.32m)
  • High 8:43am
    (1.84m)
  • Low 3:32pm
    (0.1m)
  • High 9:27pm
    (1.2m)
  • Low 2:57am
    (0.33m)
  • High 9:30am
    (1.83m)
  • Low 4:22pm
    (0.1m)
  • High 10:17pm
    (1.17m)
  • Low 3:44am
    (0.36m)
  • High 10:17am
    (1.79m)
  • Low 5:10pm
    (0.13m)
  • High 11:06pm
    (1.14m)
  • Low 4:31am
    (0.39m)
  • High 11:04am
    (1.71m)
  • Low 5:57pm
    (0.18m)
  • High 11:54pm
    (1.12m)
7 day tide times for Greenwich

*These tide times are estimates based on the nearest accurate location (Sydney, Australia) and may differ by up to half an hour depending on distance. Please note, the tide times given are not suitable for navigational purposes.