Heron island Sea Temperature

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

Water temperature in Heron island right now

Below is the current sea temperature for Heron island, Australia on 26th September 2023.

22.59° C

(72.67° F)

  • yesterday: 22.52° C (72.54° F)
  • a week ago: 22.88° C (73.18° 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 Heron island on September 26th over the last 10 years is 22.63° C (72.74° F), with a low temperature of 21.85° C (71.33° F) and a high of 23.33° C (73.99° F).

Analysis and forecast for Heron island water temperatures

The water temperature in Heron island today is lower than the average temperature of 22.63° C (72.74° F) and the temperature on this day last year, 26th September 2022, was 22.58° C (72.64° F).

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

Date Temperature (Celsius) Temperature (Fahrenheit)
September 26 22.59° C 72.67° F
September 25 22.52° C 72.54° F
September 24 22.68° C 72.82° F
September 23 22.84° C 73.11° F
September 22 22.76° C 72.97° F
September 21 23.05° C 73.49° F
September 20 23.02° C 73.44° F
September 19 22.88° C 73.18° F
September 18 22.58° C 72.64° F
September 17 22.6° C 72.68° F
September 16 22.52° C 72.54° F
September 15 22.36° C 72.25° F
September 14 22.33° C 72.19° F
September 13 22.43° C 72.37° F
September 12 22.52° C 72.54° F
September 11 22.64° C 72.75° F
September 10 22.71° C 72.88° F
September 9 22.78° C 73° F
September 8 22.95° C 73.31° F
September 7 22.98° C 73.36° F
September 6 22.88° C 73.18° F
September 5 22.88° C 73.18° F
September 4 22.98° C 73.36° F
September 3 22.96° C 73.33° F
September 2 23.1° C 73.58° F
September 1 22.99° C 73.38° F
August 31 22.91° C 73.24° F
August 30 22.76° C 72.97° F
August 29 22.62° C 72.72° F
August 28 22.6° C 72.68° F
August 27 22.59° C 72.66° 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 Heron island by month

The chart below shows the monthly average water temperature in Heron island.

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

Heron island map and nearby water temperatures

The highest temperature in Australia today is 29.24° C (84.64° F) in Darwin. The lowest is in Austins Ferry, where the temperature of the water is 11.75° C (53.15° F).

Why measure sea surface temperatures (SST) in Heron island?

The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Heron island 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 Heron island 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 Heron island 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.

  • "Heron island Sea Temperature". SeaTemperatures.net. Accessed on September 26, 2023. http://seatemperatures.net/australia-and-oceania/australia/heron-island/.

  • "Heron island Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/australia-and-oceania/australia/heron-island/. Accessed 26 September, 2023

  • Heron island Sea Temperature. SeaTemperatures.net. Retrieved from http://seatemperatures.net/australia-and-oceania/australia/heron-island/.