Lake Illawarra Sea Temperature

Looking to find out what the sea water temperature in Lake Illawarra is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Lake Illawarra and nearby locations.

Water temperature in Lake Illawarra right now

Below is the current sea temperature for Lake Illawarra, Australia on 25th April 2024.

22.84° C

(73.11° F)

  • yesterday: 22.87° C (73.16° F)
  • a week ago: 20.99° C (69.78° F)

Water at this temperature is very pleasant to swim in and if you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

The average sea temperature for Lake Illawarra on April 25th over the last 10 years is 21.94° C (71.49° F), with a low temperature of 20.34° C (68.61° F) and a high of 23.37° C (74.07° F).

Analysis and forecast for Lake Illawarra water temperatures

The water temperature in Lake Illawarra today is higher than the average temperature of 21.94° C (71.49° F) and the temperature on this day last year, 25th April 2023, was 22.9° C (73.22° F).

The chart and table below shows the change in water temperature in Lake Illawarra over the last 30 days:

Date Temperature (Celsius) Temperature (Fahrenheit)
April 25 22.84° C 73.11° F
April 24 22.87° C 73.16° F
April 23 21.52° C 70.74° F
April 22 21.45° C 70.61° F
April 21 21.14° C 70.05° F
April 20 21.18° C 70.12° F
April 19 21.29° C 70.32° F
April 18 20.99° C 69.78° F
April 17 20.87° C 69.57° F
April 16 20.7° C 69.26° F
April 15 20.61° C 69.1° F
April 14 20.7° C 69.26° F
April 13 20.54° C 68.97° F
April 12 20.64° C 69.15° F
April 11 20.76° C 69.37° F
April 10 20.83° C 69.49° F
April 9 21.34° C 70.41° F
April 8 21.64° C 70.95° F
April 7 21.62° C 70.92° F
April 6 21.48° C 70.66° F
April 5 21.51° C 70.72° F
April 4 21.77° C 71.19° F
April 3 22° C 71.6° F
April 2 22.05° C 71.69° F
April 1 22.21° C 71.98° F
March 31 22.49° C 72.48° F
March 30 22.34° C 72.21° F
March 29 22.35° C 72.23° F
March 28 22.35° C 72.23° F
March 27 22.41° C 72.34° F
March 26 22.51° C 72.52° F

The actual nearshore temperatures may vary by several degrees and this can also be heavily affected by weather. Strong winds can cause cold, deep waters to replace the surface waters that had been warmed by the sun, and heavy rain can also reduce the temperature of the sea surface temperature as well.

Water temperature in Lake Illawarra by month

The chart below shows the monthly average water temperature in Lake Illawarra.

For more detailed information on how the sea temperature in Lake Illawarra changes for each month of the year, choose from the months below.

Lake Illawarra map and nearby water temperatures

Locations near Lake Illawarra

The highest temperature in Australia today is 30.11° C (86.2° F) in Weipa. The lowest is in Austins Ferry, where the temperature of the water is 15.81° C (60.46° F).

Why measure sea surface temperatures (SST) in Lake Illawarra?

The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Lake Illawarra because they want to understand and learn how the ocean communicates with the atomosphere of Earth.

SST is one measure that provides information on the global climate, and it can be used to predict the weather in Lake Illawarra as well as atmospheric model simulations and to study marine ecosystems in the area.

Data source and citation

Raw data for the calculations made to find the sea surface temperature in Lake Illawarra comes from the National Oceanic and Atmospheric Administration (NOAA) and their 1/4° daily Optimum Interpolation Sea Surface Temperature.

The water temperature data is constructed by combining observations from different platforms (satellites, ships, buoys, and Argo floats) on a regular global grid. A spatially complete sea surface temperature map is then built by interpolating to fill in gaps in the data.

If you'd like to use any of the information above in the format it is presented, please use the citation tool below.

  • "Lake Illawarra Sea Temperature". SeaTemperatures.net. Accessed on April 25, 2024. http://seatemperatures.net/australia-and-oceania/australia/lake-illawarra/.

  • "Lake Illawarra Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/australia-and-oceania/australia/lake-illawarra/. Accessed 25 April, 2024

  • Lake Illawarra Sea Temperature. SeaTemperatures.net. Retrieved from http://seatemperatures.net/australia-and-oceania/australia/lake-illawarra/.