Water temperature in Thirroul (NSW) in April

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Is it warm enough to swim in Thirroul in April? Average water temperature in Thirroul in April is 21.8°C and therefore suitable for comfortable swimming. The warmest sea in Thirroul in April is 24.5°C, and the coldest is 19.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Thirroul

Changes water temperature in Thirroul in April 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 April	23°C	21.7°C	21.2°C	24.5°C
2 April	23.4°C	21.6°C	21.1°C	24.3°C
3 April	23.5°C	21.7°C	21.1°C	23.9°C
4 April	23.5°C	21.6°C	20.8°C	24°C
5 April	23.5°C	21.1°C	21.1°C	24.3°C
6 April	23.9°C	21°C	21°C	24.2°C
7 April	23.5°C	21°C	20.6°C	23.9°C
8 April	23.7°C	20.8°C	20.3°C	23.7°C
9 April	23.7°C	20.2°C	20.2°C	23.7°C
10 April	23.1°C	20.4°C	20.4°C	23.7°C
11 April	22.6°C	20°C	20°C	24°C
12 April	22.9°C	20.1°C	20.1°C	23.8°C
13 April	23.1°C	20°C	20°C	23.6°C
14 April	23.1°C	20.4°C	20.2°C	23.5°C
15 April	22.8°C	20.2°C	20.2°C	23.2°C

Day	2025	2024	Min	Max
16 April	23.1°C	20.2°C	20.2°C	23.1°C
17 April	23.1°C	20.5°C	20.3°C	23.3°C
18 April	22.7°C	21.1°C	19.8°C	23.2°C
19 April	22.5°C	21.3°C	19.7°C	22.9°C
20 April	22.6°C	21.8°C	20.2°C	22.9°C
21 April	22.7°C	21.4°C	19.8°C	23°C
22 April	23.3°C	21.5°C	19.5°C	23.3°C
23 April	23°C	21.1°C	19.6°C	23°C
24 April	23.3°C	21.1°C	20.4°C	23.3°C
25 April	23°C	21.3°C	19.9°C	23°C
26 April	22.8°C	21.1°C	20.2°C	22.8°C
27 April	22.8°C	21.7°C	20.1°C	22.8°C
28 April	22.4°C	21.3°C	19.8°C	22.8°C
29 April	22.2°C	21.3°C	19.6°C	23°C
30 April	21.8°C	20.9°C	19.6°C	23.2°C

Average water temperature in Thirroul in April over a decade

2016	2017	2018	2019	2020
22.2°C	22.8°C	21.5°C	21.2°C	20.6°C

2021	2022	2023	2024	2025
21.7°C	22.2°C	21.9°C	21°C	23°C

Thirroul sea state in April

Chart comparing the height of waves in Thirroul in April 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.

Thirroul 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 April. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Bulli Beach	21.8°C	19.5°C	24.5°C
Woonona	21.8°C	19.5°C	24.5°C
Austinmer	21.9°C	19.4°C	24.6°C
Coledale	21.9°C	19.4°C	24.6°C
Stanwell Park	21.9°C	19.4°C	24.6°C
Berkeley	21.8°C	19.3°C	24.3°C
Warilla	21.8°C	19.3°C	24.3°C
Bundeena	22.2°C	19.6°C	24.9°C
Wattamolla Beach	22.2°C	19.6°C	24.9°C
Dolans Bay	22°C	19.6°C	24.8°C

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Our report for Thirroul 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