Herbertville – current water temperature and swimming conditions

Water Temperature in Herbertville: 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 Herbertville 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 Herbertville will be 14.8°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

Herbertville is a remote coastal settlement in southern Hawke’s Bay near the boundary with Manawatū–Whanganui, facing the open Pacific Ocean. Sea temperatures here follow a typical lower east coast pattern. In winter, from June to August, the water generally ranges between 12–14°C, which feels very cold for most swimmers and usually requires a wetsuit. Through spring the ocean slowly warms to around 14–16°C. Summer, from December to March, brings the most comfortable conditions, with water temperatures commonly sitting between 18–21°C during settled weather. Early autumn can still hold at 17–19°C before steadily cooling again as winter approaches.