Water temperature in Western Port Bay (VIC) in March

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Is it warm enough to swim in Western Port Bay in March? Average water temperature in Western Port Bay in March is 19.4°C and therefore is not suitable for comfortable swimming. The warmest sea in Western Port Bay in March is 22.2°C, and the coldest is 17.6°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Western Port Bay

Changes water temperature in Western Port Bay in March 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 March	20.6°C	21.2°C	18.7°C	21.3°C
2 March	20.9°C	21.1°C	18.9°C	21.8°C
3 March	20.7°C	20.9°C	18.7°C	21.8°C
4 March	20.8°C	20.6°C	18.2°C	21.7°C
5 March	20.9°C	20.6°C	18.3°C	21.5°C
6 March	21°C	20.6°C	18.4°C	21.3°C
7 March	21.2°C	20.3°C	17.9°C	21.2°C
8 March	21.7°C	20.6°C	18.3°C	21.7°C
9 March	21.5°C	21.2°C	18.3°C	21.5°C
10 March	21.4°C	21.5°C	18.1°C	21.5°C
11 March	21.2°C	21.8°C	18.1°C	21.8°C
12 March	21.7°C	21.5°C	18.5°C	21.9°C
13 March	22.2°C	21.3°C	19°C	22.2°C
14 March	21.8°C	21.2°C	18.9°C	21.8°C
15 March	21.5°C	21°C	18.5°C	21.5°C

Day	2025	2024	Min	Max
16 March	21.2°C	20.7°C	18.5°C	21.2°C
17 March	20.9°C	20.9°C	18.6°C	20.9°C
18 March	20.5°C	21.3°C	18.6°C	21.3°C
19 March	20.7°C	20.9°C	18.3°C	20.9°C
20 March	20.5°C	20.6°C	18.5°C	20.6°C
21 March	20.2°C	20.2°C	18.5°C	20.4°C
22 March	20.2°C	20.1°C	18.1°C	20.9°C
23 March	20°C	19.9°C	18.2°C	20.6°C
24 March	20.2°C	19.5°C	18.2°C	20.6°C
25 March	20.1°C	19.4°C	18.1°C	20.4°C
26 March	19.9°C	19.2°C	17.9°C	20.2°C
27 March	20.2°C	19.3°C	17.6°C	20.2°C
28 March	20°C	18.9°C	17.8°C	20°C
29 March	19.9°C	19.1°C	17.9°C	19.9°C
30 March	20°C	19.2°C	17.9°C	20°C
31 March	19.8°C	19.2°C	17.7°C	19.8°C

Western Port Bay water temp chart in March

Average water temperature in Western Port Bay in March over a decade

2016	2017	2018	2019	2020
19.8°C	19.7°C	19.6°C	20.4°C	18.8°C

2021	2022	2023	2024	2025
18.9°C	20.1°C	19.5°C	20.4°C	20.8°C

Western Port Bay sea state in March

Chart comparing the height of waves in Western Port Bay in March 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.

Waves height in Western Port Bay in March

Western Port Bay 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 March. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Hastings	19.4°C	17.6°C	22.2°C
Balnarring	19.2°C	17.4°C	21.8°C
Point Leo	19.1°C	17.4°C	21.7°C
Shoreham	19.1°C	17.4°C	21.7°C
Merricks Beach	19.1°C	17.4°C	21.7°C
Surf Beach	19.1°C	17.4°C	21.7°C
Corinella	19.3°C	17.5°C	21.9°C
Mount Martha	20.2°C	18.4°C	23.4°C
Mornington	20.2°C	18.5°C	23.5°C
Mount Eliza	20.2°C	18.5°C	23.5°C

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Our report for Western Port Bay 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