Byron Bay Sea Temperature

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

Water temperature in Byron Bay right now

Below is the current sea temperature for Byron Bay, Australia on 31st May 2023.

23.13° C

(73.64° F)

  • yesterday: 23.42° C (74.16° F)
  • a week ago: 22.62° C (72.72° 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 Byron Bay on May 31st over the last 10 years is 23.3° C (73.94° F), with a low temperature of 22.33° C (72.19° F) and a high of 24.21° C (75.58° F).

Analysis and forecast for Byron Bay water temperatures

The water temperature in Byron Bay today is lower than the average temperature of 23.3° C (73.94° F) and the temperature on this day last year, 31st May 2022, was 23.18° C (73.72° F).

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

Date Temperature (Celsius) Temperature (Fahrenheit)
May 31 23.13° C 73.64° F
May 30 23.42° C 74.16° F
May 29 22.28° C 72.1° F
May 28 22.6° C 72.68° F
May 27 22.57° C 72.63° F
May 26 22.61° C 72.7° F
May 25 22.79° C 73.02° F
May 24 22.62° C 72.72° F
May 23 22.45° C 72.41° F
May 22 21.95° C 71.51° F
May 21 21.64° C 70.95° F
May 20 21.81° C 71.26° F
May 19 21.87° C 71.37° F
May 18 22.04° C 71.67° F
May 17 22.1° C 71.78° F
May 16 22.25° C 72.05° F
May 15 22.65° C 72.77° F
May 14 22.51° C 72.52° F
May 13 22.7° C 72.86° F
May 12 22.93° C 73.27° F
May 11 22.69° C 72.84° F
May 10 22.71° C 72.88° F
May 9 22.81° C 73.06° F
May 8 23.03° C 73.45° F
May 7 23.17° C 73.71° F
May 6 23.25° C 73.85° F
May 5 23.17° C 73.71° F
May 4 23.2° C 73.76° F
May 3 23.29° C 73.92° F
May 2 23.47° C 74.25° F
May 1 23.72° C 74.7° 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 Byron Bay by month

The chart below shows the monthly average water temperature in Byron Bay.

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

Byron Bay map and nearby water temperatures

Locations near Byron Bay

The highest temperature in Australia today is 29.65° C (85.37° F) in Darwin. The lowest is in Austins Ferry, where the temperature of the water is 14.19° C (57.55° F).

Why measure sea surface temperatures (SST) in Byron Bay?

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

  • "Byron Bay Sea Temperature". Accessed on May 31, 2023.

  • "Byron Bay Sea Temperature"., Accessed 31 May, 2023

  • Byron Bay Sea Temperature. Retrieved from