Hat Head – current water temperature and swimming conditions

Water Temperature in Hat Head: Daily Trends, Historical Records, and Forecast

✅ Water in this range feels cool but still manageable for many swimmers. Short to moderate swims are comfortable, especially in warm weather. Some people may prefer a wetsuit for longer stays, particularly when swimming actively or outside peak summer conditions.

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

While water temperatures in Hat Head declined overall during the past month, they have shown a noticeable rebound over the last week.

According to our forecast, Sea water temperature in Hat Head will be 20.9°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

Hat Head, in Kempsey Shire on the Mid North Coast of New South Wales, sits between headlands facing the Tasman Sea and enjoys relatively mild water temperatures year-round. Summer brings the warmest conditions, with the ocean usually around 22–26 °C, which is ideal for extended swims and time in the water. In autumn, temperatures ease back to roughly 20–23 °C, still comfortable for most swimmers. Winter is cooler but far from icy, with the sea generally sitting between 17–20 °C, while spring sees a steady warm-up from about 18 °C into the low twenties as calmer weather returns.