Falmouth – current water temperature and swimming conditions

Water Temperature in Falmouth: 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 Falmouth have been on a steady rise over the past month and have continued to climb over the last week.

According to our forecast, Sea water temperature in Falmouth will be 18.6°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

Falmouth is a small coastal settlement on Tasmania’s north-east edge, facing the Tasman Sea where the water is clean, clear, and typically cool throughout the year. Sea temperatures here follow a steady seasonal pattern. In summer, from December to February, the water usually reaches around 16–18 °C, which feels refreshing and is swimmable on warm, settled days. Autumn brings a gradual cooling to about 14–16 °C, while winter is colder, commonly around 11–13 °C. During spring, the sea slowly warms again, generally sitting between 13–15 °C as daylight increases and weather conditions improve.