Water temperature in Lewisporte (NL) in August

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Is it warm enough to swim in Lewisporte in August? Average water temperature in Lewisporte in August is 16.2°C and therefore is not suitable for comfortable swimming. The warmest sea in Lewisporte in August is 20.3°C, and the coldest is 12°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Lewisporte

Changes water temperature in Lewisporte in August 2025, 2024

To get an accurate forecast for the water temperature in Lewisporte for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Lewisporte, 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	15.5°C	19°C	13.7°C	19.3°C
2 August	15.5°C	18.7°C	13.9°C	19.3°C
3 August	16.1°C	18.2°C	13.6°C	19.3°C
4 August	14.4°C	19.9°C	13.5°C	19.9°C
5 August	15.3°C	19.4°C	13.2°C	19.5°C
6 August	15.6°C	19°C	12.7°C	19°C
7 August	15.9°C	17.7°C	12.6°C	19.1°C
8 August	17.7°C	17.8°C	12.2°C	19.4°C
9 August	18.6°C	17.7°C	12.4°C	20°C
10 August	18.1°C	17.5°C	12.3°C	19.1°C
11 August	18.6°C	19°C	12.5°C	20.3°C
12 August	19.1°C	18.5°C	12.4°C	19.4°C
13 August	21.1°C	17.7°C	12.5°C	21.1°C
14 August	19.9°C	18.9°C	13°C	19.9°C
15 August	19.5°C	17.8°C	13.1°C	19.5°C

Day	2025	2024	Min	Max
16 August	19.1°C	17.7°C	13.4°C	19.3°C
17 August	17.7°C	19.6°C	13.4°C	19.6°C
18 August	17.7°C	18.6°C	13.1°C	18.8°C
19 August	17.3°C	18.4°C	13°C	20.3°C
20 August	15.9°C	18.3°C	12.6°C	19.3°C
21 August	16.6°C	17.9°C	12.6°C	18.9°C
22 August	16.2°C	17.5°C	12.6°C	18.6°C
23 August	14.3°C	17.9°C	13.1°C	19°C
24 August	14.1°C	17.5°C	13.1°C	18.2°C
25 August	14.6°C	17.6°C	13°C	19.6°C
26 August	15.7°C	17.8°C	12.9°C	19.1°C
27 August	15.9°C	18.3°C	12.2°C	18.6°C
28 August	15.9°C	18.2°C	12.4°C	18.7°C
29 August	15°C	17.5°C	12.3°C	18.2°C
30 August	14.9°C	17.3°C	12°C	17.7°C
31 August	15.6°C	16.4°C	12.1°C	18.8°C

Average water temperature in Lewisporte in August over a decade

2016	2017	2018	2019	2020
16.6°C	15.3°C	18.2°C	16.6°C	17.2°C

2021	2022	2023	2024	2025
17°C	18.6°C	16.3°C	18.2°C	16.1°C

Lewisporte sea state in August

Chart comparing the height of waves in Lewisporte 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.

Lewisporte 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
Twillingate	16°C	11.7°C	20.5°C
Gander Bay	15.7°C	11.5°C	20.2°C
Newtown	14.7°C	10.4°C	18.2°C
Clarenville	14.7°C	11.1°C	18.3°C
Bonavista	14.8°C	10.2°C	18.7°C
Carbonear	14.8°C	10.8°C	18.1°C
Bay Roberts	14.8°C	10.3°C	18.1°C
Marystown	15.6°C	11.5°C	18.9°C
Grand Bank	16.4°C	12.3°C	19.5°C
Torbay	14.8°C	10.4°C	18.2°C

Lewisporte photo gallery

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Our report for Lewisporte 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