Water temperature in Sussex Inlet

This data the coastal Sussex Inlet 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 Sussex Inlet

Water temperature in Sussex Inlet today is 17.2°C. Based on our historical data over a period of ten years, the warmest water in this day in Sussex Inlet was recorded in 2016 and was 17.8°C, and the coldest was recorded in 2018 at 15.3°C. Sea water temperature in Sussex Inlet is expected to drop to 17.1°C in the next 10 days. September average water temperature in Sussex Inlet is 16.5°C, the minimum temperature is 14.9°C, and the maximum is 18.3°C.

The swimming season in Sussex Inlet lasts from December to May. During those months, Sussex Inlet water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Sussex Inlet in winter reaches 17.1°C, in spring 17.6°C, in summer the average temperature rises to 21.4°C, and in autumn it is 21°C.

Sussex Inlet water temperature now

The ocean salinity in Sussex Inlet is 35.47‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Sussex Inlet 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 Sussex Inlet. 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 Sussex Inlet. Data in table shown for 26 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Sussex Inlet

Sussex Inlet weather forecast

Current temperature and weather

Data in a table show Sussex Inlet temperature today (26 September 2025). For more information and forecast for a few days, go to the weather forecast Sussex Inlet.

0-3 h	3-6 h	6-9 h	9-12 h
17°C	17.7°C	16.5°C	18.6°C

12-15 h	15-18 h	18-21 h	21-24 h
22°C	22.7°C	21°C	19°C

Sussex Inlet water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Sussex Inlet. 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 Sussex Inlet 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 Sussex Inlet

The nearest beaches and cities from Sussex Inlet 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
Berrara	17.3°C	23°C		1.22 m
Bendalong	17.3°C	23°C		1.22 m
Manyana	17.1°C	23°C		0.95 m
Narrawallee	17.1°C	23°C		0.95 m
Vincentia	16.8°C	24°C		0.56 m
Currarong	17.6°C	24°C		0.56 m
Greenwell Point	18.3°C	24°C		0.52 m
Bawley Point	16.8°C	24°C		0.81 m
Shoalhaven Heads	18.5°C	24°C		0.79 m
Gerroa	18.5°C	24°C		0.79 m

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Our report for Sussex Inlet 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.