Water temperature in North Shore (NSW) in June

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Is it warm enough to swim in North Shore in June? Average water temperature in North Shore in June is 20.9°C and therefore suitable for comfortable swimming. The warmest sea in North Shore in June is 22.7°C, and the coldest is 18.2°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in North Shore

Changes water temperature in North Shore in June 2025, 2024

To get an accurate forecast for the water temperature in North Shore for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in North Shore, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 June	21.8°C	21.7°C	20.3°C	22.7°C
2 June	21.8°C	21.9°C	20.6°C	22.6°C
3 June	21.3°C	21.5°C	20.8°C	22.4°C
4 June	21.2°C	21.5°C	20.7°C	22.2°C
5 June	20.8°C	22.1°C	20.5°C	22.3°C
6 June	21.5°C	22.1°C	20.8°C	22.4°C
7 June	21.2°C	21.6°C	20.3°C	22.1°C
8 June	21.8°C	21.5°C	20°C	22.1°C
9 June	21.2°C	21.5°C	20.1°C	21.8°C
10 June	21°C	21.7°C	19.7°C	22°C
11 June	20.9°C	21.5°C	19.9°C	21.9°C
12 June	20.9°C	21.8°C	19.9°C	22.2°C
13 June	20.7°C	21.7°C	20.1°C	22.2°C
14 June	21°C	21.7°C	20°C	22.4°C
15 June	20.7°C	21°C	20.1°C	21.5°C

Day	2025	2024	Min	Max
16 June	20.7°C	20.6°C	19.9°C	21.6°C
17 June	20.6°C	20.9°C	20.1°C	21.7°C
18 June	20.7°C	21.3°C	19.2°C	21.8°C
19 June	21.1°C	20.9°C	19.4°C	21.8°C
20 June	21.2°C	21°C	19.4°C	21.7°C
21 June	21°C	20.8°C	18.7°C	21.6°C
22 June		21°C	18.5°C	21.7°C
23 June	20.2°C	20.6°C	18.2°C	21.6°C
24 June	20.3°C	20.6°C	18.4°C	21.1°C
25 June	19.9°C	20.8°C	18.8°C	21.2°C
26 June	20.1°C	20.9°C	18.8°C	21.2°C
27 June	20.5°C	20.6°C	18.8°C	21.3°C
28 June	20.9°C	20.4°C	19.3°C	21.4°C
29 June	20.9°C	20.4°C	19.3°C	21.3°C
30 June	20.9°C	20.4°C	19.5°C	21.2°C

Average water temperature in North Shore in June over a decade

2016	2017	2018	2019	2020
21.1°C	21°C	20.3°C	21.1°C	20.7°C

2021	2022	2023	2024	2025
20.1°C	20.7°C	20.5°C	21.2°C	20.9°C

North Shore sea state in June

Chart comparing the height of waves in North Shore in June over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

North Shore water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Bonny Hills	20.6°C	18°C	22.6°C
Crescent Head	21.2°C	18.5°C	23°C
North Haven	20.4°C	17.8°C	22.4°C
Dunbogan	20.4°C	17.8°C	22.4°C
Crowdy Head	20.4°C	17.9°C	22.3°C
Hat Head	21.5°C	18.8°C	23.7°C
Harrington	20.3°C	17.9°C	22.1°C
South West Rocks	21.3°C	19.3°C	23.5°C
Old Bar	20.1°C	17.9°C	21.9°C
Scotts Head	21.1°C	19.1°C	23.1°C

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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.

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Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature