Water temperature in Goderich (ON) in August

Is it warm enough to swim in Goderich in August? Average water temperature in Goderich in August is 21.5°C and therefore suitable for comfortable swimming. The warmest water in Goderich in August is 23.6°C, and the coldest is 18.5°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Goderich

Changes water temperature in Goderich in August 2025, 2024

To get an accurate forecast for the water temperature in Goderich for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Goderich, 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	20.3°C	22°C	19.3°C	23.1°C
2 August	19.1°C	22.1°C	19.1°C	23°C
3 August	18.9°C	23.5°C	18.9°C	23.5°C
4 August	19.6°C	23.5°C	19.6°C	23.5°C
5 August	20.5°C	23.6°C	19.6°C	23.6°C
6 August	20.7°C	23.6°C	19.8°C	23.6°C
7 August	21.4°C	22.8°C	20.4°C	23.2°C
8 August	21.6°C	21.9°C	20.3°C	23.1°C
9 August	21.9°C	21.8°C	20.4°C	22.9°C
10 August	21.8°C	21.2°C	20.2°C	23.4°C
11 August	22.5°C	21.1°C	20.1°C	23.4°C
12 August	22.9°C	20.5°C	20.1°C	23.4°C
13 August	22.8°C	20.2°C	18.9°C	23.2°C
14 August	23.2°C	20.2°C	18.5°C	23.2°C
15 August	23.7°C	20.6°C	18.8°C	23.7°C

Day	2025	2024	Min	Max
16 August	22.3°C	20.8°C	18.9°C	23.2°C
17 August	22.7°C	21.2°C	19.2°C	23°C
18 August	22.6°C	21.2°C	19.3°C	23.6°C
19 August	22.4°C	21.3°C	19.5°C	23.2°C
20 August	21.8°C	20.6°C	19.9°C	23.1°C
21 August	20.7°C	19.3°C	19.3°C	23.2°C
22 August	20.2°C	19.8°C	19.8°C	23.4°C
23 August	20.2°C	20°C	19.7°C	23.5°C
24 August	19.6°C	21°C	19.5°C	23.4°C
25 August	19.8°C	21.2°C	19.8°C	23.6°C
26 August	19.7°C	21.9°C	19.7°C	23.4°C
27 August	19.5°C	21.1°C	19.5°C	23.2°C
28 August	19.3°C	22°C	19.3°C	23°C
29 August	19.2°C	21.5°C	19.2°C	23.4°C
30 August	18.7°C	21.5°C	18.7°C	23.5°C
31 August	18.7°C	21.9°C	18.7°C	23.2°C

Average water temperature in Goderich in August over a decade

2016	2017	2018	2019	2020
22.8°C	21°C	22°C	21.3°C	22.6°C

2021	2022	2023	2024	2025
22.3°C	21.8°C	20.7°C	21.4°C	20.4°C

Goderich sea state in August

Chart comparing the height of waves in Goderich 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.

Goderich 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
Point Farms	21.4°C	18.4°C	23.6°C
Bayfield	21.8°C	18.8°C	23.9°C
Point Clark	21.1°C	17.6°C	23.7°C
Lurgan Beach	21.1°C	17.5°C	23.7°C
Grand Bend	21.9°C	19°C	24.2°C
Pinery	22°C	19.1°C	24.4°C
Lambton Shores	22°C	19.1°C	24.3°C
Kincardine	20.9°C	17.1°C	23.5°C
Ipperwash Beach	22°C	19.1°C	24.4°C
Port Franks	22°C	19.1°C	24.4°C

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Our report for Goderich 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