Water temperature in Coffin Bay

This data the coastal Coffin Bay 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 Coffin Bay

Water temperature in Coffin Bay today is 15.2°C. Based on our historical data over a period of ten years, the warmest water in this day in the Great Australian Bight near Coffin Bay was recorded in 2023 and was 16.4°C, and the coldest was recorded in 2016 at 14.3°C. Sea water temperature in Coffin Bay is expected to rise to 15.5°C in the next 10 days. September average water temperature in Coffin Bay is 14.8°C, the minimum temperature is 13.3°C, and the maximum is 17°C.

Throughout the year, the water temperature in Coffin Bay does not rise above 20°C and therefore is not suitable for comfortable swimming. But on some days of January, March, the water temperature warms up to 20°C and above. The average water temperature in Coffin Bay in winter reaches 14.8°C, in spring 15.9°C, in summer the average temperature rises to 18.1°C, and in autumn it is 17.3°C.

Coffin Bay water temperature now

The ocean salinity in Coffin Bay is 35.48‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Coffin Bay 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 Coffin Bay. 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 Coffin Bay. 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 Coffin Bay

Coffin Bay weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
8.6°C	8.1°C	8°C	14.5°C

12-15 h	15-18 h	18-21 h	21-24 h
18.7°C	18.3°C	12.2°C	10.9°C

Coffin Bay water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Coffin Bay. 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 Coffin Bay 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 Coffin Bay

The nearest beaches and cities from Coffin Bay 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
Port Neill	14.5°C	23°C		0.54 m
Elliston	15°C	18°C		2.19 m
Arno Bay	14.3°C	23°C		0.7 m
Marion Bay	14.9°C	17°C		1.66 m
Cowell	15°C	21°C		0.7 m
Point Turton	14.6°C	16°C		0.65 m
Port Hughes	15.1°C	16°C		0.92 m
Stokes Bay	14.9°C	17°C		1.53 m
Moonta	15.2°C	16°C		0.75 m
Wallaroo	15.1°C	21°C		0.57 m

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Our report for Coffin Bay 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.