Marsden Point – current water temperature and swimming conditions

Water Temperature in Marsden Point: Daily Trends, Historical Records, and Forecast

⚠️ This is cool water that may feel brisk on entry. Swimming is usually limited to short sessions, and prolonged stays can become uncomfortable without thermal protection. Many swimmers choose a wetsuit, especially for surfing or open-water swimming.

It’s important to note that these swimming tips and recommendations apply only in settled weather. When air temperatures drop below 20°C — and sometimes even below 25°C — swimming can feel uncomfortable, even when water temperatures are relatively high.

Water Temperature Over the Last 30 Days

Water temperatures in Marsden Point have been gradually cooling over the past month, with a further drop recorded during the last week.

According to our forecast, Sea water temperature in Marsden Point will be 16.1°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

Annual Water Temperature Overview by Month

Monthly Water Temp Ranges

30°C

25°C

20°C

15°C

10°c

5°C

0°C

Annual Water Temperature Trend

Marsden Point sits at the entrance to Whangārei Harbour in the Northland Region, opening into Bream Bay on the Pacific Ocean. The coastline here combines sandy beaches with harbour influences, which can affect local water movement and temperature. In summer, from December through February, sea temperatures typically range between 19°C and 22°C, making swimming comfortable during warm, settled weather. During autumn, the water often remains around 18–20°C before gradually cooling. Winter temperatures generally fall to between 14°C and 16°C, while spring sees a steady rise from roughly 15°C towards 18°C as air temperatures increase and calmer periods become more frequent.