Sussex Inlet Sea Temperature
Looking to find out what the sea water temperature in Sussex Inlet is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Sussex Inlet and nearby locations.
Water temperature in Sussex Inlet right now
Below is the current sea temperature for Sussex Inlet, Australia on 25th March 2025.
22.29° C
(72.12° F)
- yesterday: 22.29° C (72.12° F)
- a week ago: 23.24° C (73.83° 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 Sussex Inlet on March 25th over the last 10 years is 22.81° C (73.06° F), with a low temperature of 21.06° C (69.91° F) and a high of 25.11° C (77.2° F).
Analysis and forecast for Sussex Inlet water temperatures
The water temperature in Sussex Inlet today is lower than the average temperature of 22.81° C (73.06° F) and the temperature on this day last year, 25th March 2024, was 22.32° C (72.18° F).
The chart and table below shows the change in water temperature in Sussex Inlet over the last 30 days:
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 Sussex Inlet by month
The chart below shows the monthly average water temperature in Sussex Inlet.
For more detailed information on how the sea temperature in Sussex Inlet changes for each month of the year, choose from the months below.
Sussex Inlet map and nearby water temperatures
Locations near Sussex Inlet
The highest temperature in Australia today is 30.78° C (87.4° F) in Port Hedland. The lowest is in Coffin Bay, where the temperature of the water is 16.21° C (61.18° F).
Why measure sea surface temperatures (SST) in Sussex Inlet?
The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Sussex Inlet 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 Sussex Inlet 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 Sussex Inlet 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.
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