Water temperature in Onetangi in May

Is it warm enough to swim in Onetangi in May? Average water temperature in Onetangi in May is 17.7°C and therefore is not suitable for comfortable swimming. The warmest sea in Onetangi in May is 19.8°C, and the coldest is 15°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Onetangi

Changes water temperature in Onetangi in May 2025, 2024

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

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2025	2024	Min	Max
1 May	19.8°C	18.3°C	18°C	19.8°C
2 May	19.6°C	18.1°C	17.9°C	19.6°C
3 May	19.5°C	17.9°C	17.5°C	19.8°C
4 May	19.2°C	17.9°C	17.5°C	19.5°C
5 May	18.8°C	17.8°C	17°C	19.4°C
6 May	18.8°C	17.8°C	17°C	19.4°C
7 May	18.8°C	17.7°C	16.9°C	19.4°C
8 May	18.7°C	17.5°C	17.4°C	19.3°C
9 May	18.7°C	17.5°C	17°C	19.2°C
10 May	18.6°C	17.1°C	17.1°C	19.2°C
11 May	18.5°C	17°C	17°C	19.2°C
12 May	18.2°C	17°C	17°C	19.4°C
13 May	18.2°C	16.7°C	16.7°C	19.3°C
14 May	18.3°C	16.9°C	16.7°C	19.3°C
15 May	18.1°C	17°C	16.8°C	19.3°C

Day	2025	2024	Min	Max
16 May	18.3°C	16.5°C	16.5°C	19.2°C
17 May	18.2°C	16.8°C	16.7°C	19°C
18 May	18.2°C	16.4°C	16.4°C	18.8°C
19 May	18.2°C	16.6°C	16.6°C	18.9°C
20 May	18°C	16.6°C	16.2°C	18.7°C
21 May	17.6°C	16.4°C	15.9°C	18.6°C
22 May	17.3°C	16.5°C	15.8°C	18.4°C
23 May	17.6°C	16.6°C	15.8°C	18.2°C
24 May	17.4°C	16.6°C	15.8°C	18.1°C
25 May	17.3°C	16.2°C	15.7°C	17.9°C
26 May	17.2°C	16.3°C	15.7°C	17.8°C
27 May	17.6°C	16.2°C	15.5°C	17.7°C
28 May	17.4°C	16.1°C	15.3°C	17.6°C
29 May	17.5°C	15.9°C	15.3°C	17.6°C
30 May	17.6°C	15.9°C	15°C	17.6°C
31 May	17.2°C	15.4°C	15°C	17.4°C

Average water temperature in Onetangi in May over a decade

2016	2017	2018	2019	2020
18.7°C	17.7°C	18.1°C	18°C	17.3°C

2021	2022	2023	2024	2025
17.9°C	18.4°C	17.7°C	16.9°C	18.2°C

Onetangi sea state in May

Chart comparing the height of waves in Onetangi in May 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.

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

	Avr	Min	Max
Maraetai	17.3°C	14.8°C	19.6°C
Pakuranga	17.2°C	14°C	19.5°C
Tamaki	17.1°C	13.5°C	19.4°C
Mission Bay	17.2°C	13.4°C	19.4°C
Murrays Bay	17.3°C	13.6°C	19.5°C
Takapuna	17.3°C	13.6°C	19.5°C
North Shore	17.1°C	13.2°C	19.4°C
Browns Bay	17.6°C	14.9°C	19.7°C
Manukau City	16.8°C	14.6°C	18.9°C
Takanini	16.8°C	14.6°C	18.9°C

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Our report for Onetangi 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