Water temperature in Coffs Harbour (NSW) in August

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Is it warm enough to swim in Coffs Harbour in August? Average water temperature in Coffs Harbour in August is 19.5°C and therefore is not suitable for comfortable swimming. The warmest sea in Coffs Harbour in August is 21.2°C, and the coldest is 16.9°C. Average high air temperature in Coffs Harbour in August is 20°C, and average low temperature is 8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Coffs Harbour

Changes water temperature in Coffs Harbour in August 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 August	20.2°C	19.1°C	18.8°C	20.8°C
2 August	19.8°C	19°C	18.8°C	20.9°C
3 August	19.9°C	19°C	18.6°C	20.6°C
4 August	19.9°C	19°C	18.5°C	20.4°C
5 August	20.2°C	19°C	18.6°C	20.5°C
6 August	20.1°C	19°C	18.5°C	20.4°C
7 August	20.1°C	19°C	18.5°C	20.6°C
8 August	20°C	18.8°C	18.6°C	20.6°C
9 August	20.2°C	18.5°C	18.5°C	20.5°C
10 August	20.1°C	19°C	18.6°C	20.4°C
11 August	20.4°C	19.1°C	18.2°C	20.4°C
12 August	20.4°C	19.3°C	18.5°C	20.4°C
13 August	19.6°C	19.4°C	17°C	20.3°C
14 August	19.6°C	19.7°C	16.9°C	20.4°C
15 August	19.3°C	19.7°C	17.6°C	20.4°C

Day	2025	2024	Min	Max
16 August	19.8°C	19.6°C	18.3°C	20.3°C
17 August	19.4°C	19.6°C	18.2°C	20.2°C
18 August	19.5°C	20.2°C	18.3°C	20.2°C
19 August	19.6°C	19.9°C	18.4°C	20.1°C
20 August	19.6°C	19.6°C	18.3°C	20.3°C
21 August	19.7°C	19.7°C	18.3°C	20.4°C
22 August	19.2°C	19.5°C	18.2°C	20.5°C
23 August	19.5°C	19.3°C	18.2°C	20.6°C
24 August	19.1°C	19.3°C	17.9°C	20.8°C
25 August	19.3°C	19.7°C	18.2°C	21.2°C
26 August	19.5°C	19.5°C	18.2°C	20.8°C
27 August	20°C	19.8°C	18.3°C	20.7°C
28 August	19.8°C	19.6°C	18.4°C	20.7°C
29 August	19.6°C	20°C	18.5°C	20.7°C
30 August	19.3°C	20.1°C	18.3°C	20.6°C
31 August	19.4°C	19.7°C	18.5°C	20.9°C

Coffs Harbour water temp chart in August

Average water temperature in Coffs Harbour in August over a decade

2016	2017	2018	2019	2020
20.2°C	20.1°C	18.9°C	19.4°C	19.4°C

2021	2022	2023	2024	2025
19.4°C	18.5°C	19.5°C	19.4°C	20°C

Coffs Harbour sea state in August

Chart comparing the height of waves in Coffs Harbour in August 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.

Weather and climate in Coffs Harbour in August

This data display average monthly climate indicators in Coffs Harbour in August based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

Average HIGH temperature20°C
Average LOW temperature8°C
Average humidity
53
Average rainfall days8 days
Average rainfall3.1''/79mm
Average daylight11h
Average sunshine8.2h
Average UV index5

Coffs Harbour 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 August. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Emerald Beach	19.4°C	17.1°C	21.1°C
Sandy Beach	19.4°C	17.1°C	21.2°C
Urunga	19.2°C	16.6°C	20.9°C
Valla Beach	19.3°C	16.5°C	21.2°C
Wooli	19.4°C	17.2°C	21.1°C
Scotts Head	19.4°C	16.5°C	21.3°C
Minnie Water	19.4°C	17.2°C	21.1°C
South West Rocks	19.6°C	16.8°C	21.4°C
Brooms Head	19.5°C	17.2°C	21.1°C
Hat Head	19.9°C	17.1°C	21.8°C

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Our report for Coffs Harbour 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.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature