Water temperature in Sydney Mines

This data the coastal Sydney Mines sea 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 sea temperature in Sydney Mines

Water temperature in Sydney Mines today is 19.9°C. Based on our historical data over a period of ten years, the warmest water in this day in the Atlantic Ocean near Sydney Mines was recorded in 2022 and was 20.7°C, and the coldest was recorded in 2008 at 16.9°C. Sea water temperature in Sydney Mines is expected to drop to 17.3°C in the next 10 days. September average water temperature in Sydney Mines is 17.1°C, the minimum temperature is 12.9°C, and the maximum is 20.9°C.

The swimming season in Sydney Mines lasts only one month - August. During this month, Sydney Mines water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Sydney Mines in winter reaches 1.8°C, in spring 1.8°C, in summer the average temperature rises to 15.5°C, and in autumn it is 12.8°C.

Sydney Mines water temperature now

The sea salinity in Sydney Mines is 29.58‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in Sydney Mines 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 Sydney Mines. 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 Sydney Mines. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Sydney Mines

Sydney Mines weather forecast

Current temperature and weather

Data in a table show Sydney Mines temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Sydney Mines.

0-3 h	3-6 h	6-9 h	9-12 h
15.2°C	13.9°C	13.3°C	14.1°C

12-15 h	15-18 h	18-21 h	21-24 h
17.2°C	19.5°C	18.6°C	17.3°C

Sydney Mines water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in Sydney Mines. 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 Sydney Mines 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 Sydney Mines

The nearest beaches and cities from Sydney Mines 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
Cape Breton Island	19.1°C	20°C		0.22 m
Dominion	19°C	20°C		0.32 m
Ingonish Beach	19.7°C	21°C		0.47 m
Kennington Cove Beach	19.2°C	20°C		0.78 m
Louisbourg	19.2°C	20°C		0.81 m
Cheticamp	20.1°C	19°C		0.25 m
Inverness	20.5°C	20°C		0.32 m
Point Michaud	19.6°C	20°C		0.73 m
Port Hood	20.8°C	20°C		0.24 m
Port Hawkesbury	19.3°C	20°C		0.19 m

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Our report for Sydney Mines 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.