Water temperature in North Shore (NSW)

This data the coastal North Shore 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 North Shore

Water temperature in North Shore today is 21°C. Based on our historical data over a period of ten years, the warmest water in this day in North Shore was recorded in 2010 and was 21.7°C, and the coldest was recorded in 2022 at 18.6°C. Sea water temperature in North Shore is expected to drop to 20°C in the next 10 days. September average water temperature in North Shore is 19.6°C, the minimum temperature is 16.6°C, and the maximum is 22.1°C.

The swimming season in North Shore lasts from January to December, twelve months per year! During those months, North Shore water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in North Shore in winter reaches 19.9°C, in spring 20.4°C, in summer the average temperature rises to 24.1°C, and in autumn it is 23.8°C.

North Shore water temperature now

The ocean salinity in North Shore is 35.54‰, and the average salinity of the World Ocean is 35‰.

Surf Forecast in North Shore 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 North Shore. 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 North Shore. 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 North Shore

North Shore weather forecast

Current temperature and weather

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

0-3 h	3-6 h	6-9 h	9-12 h
13.8°C	13.6°C	14°C	21.3°C

12-15 h	15-18 h	18-21 h	21-24 h
25.3°C	24.4°C	19.9°C	17.5°C

North Shore water temperature by month

These figures shows the average, minimum and maximum monthly sea temperature in North Shore. 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 North Shore 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 North Shore

The nearest beaches and cities from North Shore 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
Bonny Hills	21°C	24°C		1.16 m
Crescent Head	21.2°C	28°C		1.28 m
North Haven	20.8°C	24°C		0.85 m
Dunbogan	20.8°C	24°C		0.85 m
Crowdy Head	20.5°C	25°C		1.02 m
Hat Head	21.5°C	28°C		1.32 m
Harrington	20.1°C	25°C		1.02 m
South West Rocks	20.4°C	28°C		1.26 m
Old Bar	19.7°C	25°C		1.18 m
Scotts Head	19.4°C	24°C		1.22 m

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Our report for North Shore 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.