Water temperature in Augusta (WA)

This data the coastal Augusta ocean water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current ocean temperature in Augusta

Water temperature in Augusta today is 17.9°C. Based on our historical data over a period of ten years, the warmest water in this day in Augusta was recorded in 2014 and was 18.9°C, and the coldest was recorded in 2016 at 16.2°C. Sea water temperature in Augusta is expected to drop to 17.7°C in the next 10 days. September average water temperature in Augusta is 17.7°C, the minimum temperature is 16.1°C, and the maximum is 19.7°C.

The swimming season in Augusta lasts from December to June. During those months, Augusta water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Augusta in winter reaches 18.9°C, in spring 18.1°C, in summer the average temperature rises to 20.6°C, and in autumn it is 20.9°C.

Augusta water temperature now

The ocean salinity in Augusta is 35.66‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Augusta for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Augusta. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Augusta. Data in table shown for 25 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Augusta

Augusta weather forecast

Current temperature and weather

Data in a table show Augusta temperature today (25 September 2025). For more information and forecast for a few days, go to the weather forecast Augusta.

0-3 h	3-6 h	6-9 h	9-12 h
15.9°C	16°C	16.1°C	19.6°C

12-15 h	15-18 h	18-21 h	21-24 h
19.9°C	18.8°C	16.8°C	15.6°C

Augusta water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Augusta. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Augusta on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Augusta

The nearest beaches and cities from Augusta with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
Hamelin Bay	18.6°C	19°C		2.87 m
Prevelly	18.5°C	19°C		2.65 m
Margaret River	18.7°C	19°C		2.65 m
Gracetown	18.4°C	19°C		1.97 m
Quindalup	18.1°C	19°C		1.76 m
Broadwater	17.9°C	19°C		0.78 m
Yallingup	18.3°C	19°C		2.23 m
Busselton	17.9°C	19°C		0.78 m
Dunsborough	17.8°C	19°C		1.76 m
Eagle Bay	17.9°C	19°C		1.7 m

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Our report for Augusta is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.