Port Phillip Bay Sea Temperature
Looking to find out what the sea water temperature in Port Phillip Bay is for today and the next few days? Below are data and charts that will give you information about sea temperatures in Port Phillip Bay and nearby locations.
Water temperature in Port Phillip Bay right now
Below is the current sea temperature for Port Phillip Bay, Australia on 19th May 2024.
14.73° C
(58.52° F)
- yesterday: 14.86° C (58.75° F)
- a week ago: 15.85° C (60.53° F)
Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a very big risk.
The average sea temperature for Port Phillip Bay on May 19th over the last 10 years is 14.78° C (58.6° F), with a low temperature of 13.8° C (56.84° F) and a high of 15.82° C (60.48° F).
Analysis and forecast for Port Phillip Bay water temperatures
The water temperature in Port Phillip Bay today is lower than the average temperature of 14.78° C (58.6° F) and the temperature on this day last year, 19th May 2023, was 14.71° C (58.48° F).
The chart and table below shows the change in water temperature in Port Phillip Bay 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 Port Phillip Bay by month
The chart below shows the monthly average water temperature in Port Phillip Bay.
For more detailed information on how the sea temperature in Port Phillip Bay changes for each month of the year, choose from the months below.
Port Phillip Bay map and nearby water temperatures
Locations near Port Phillip Bay
The highest temperature in Australia today is 28.62° C (83.52° F) in Darwin. The lowest is in Granton, where the temperature of the water is 14.59° C (58.26° F).
Why measure sea surface temperatures (SST) in Port Phillip Bay?
The ocean covers about 71% of the Earth's surface, and scientists record the sea surface temperature (SST) of locations such as Port Phillip 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 Port Phillip 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 Port Phillip 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.
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"Port Phillip Bay Sea Temperature". SeaTemperatures.net. Accessed on May 19, 2024. http://seatemperatures.net/australia-and-oceania/australia/port-phillip-bay/.
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"Port Phillip Bay Sea Temperature". SeaTemperatures.net, http://seatemperatures.net/australia-and-oceania/australia/port-phillip-bay/. Accessed 19 May, 2024
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