New South Wales — Water Temperature Today and Throughout the Year
Discover water temperatures in New South Wales (Australia), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Sydney72°F
- Batemans Bay70°F
- Nelson Bay72°F
- Newcastle71°F
- Manly71°F
- Jervis Bay70°F
- Byron Bay76°F
- Palm Beach71°F
- Port Macquarie74°F
- Wollongong71°F
- Forster73°F
- Mollymook69°F
- Eden71°F
- Merimbula70°F
- Avoca Beach71°F
- Shellharbour71°F
- South West Rocks77°F
- Hyams Beach70°F
- Terrigal71°F
- Ballina76°F
- Belmont71°F
- Gerringong71°F
- Dee Why71°F
- Caves Beach71°F
- Kingscliff77°F
- Long Jetty71°F
- Port Stephens72°F
- Ulladulla69°F
- Bermagui69°F
- Brunswick Heads76°F
- Como72°F
- Cronulla71°F
Coastal Seas and Oceans
Water Temperature and Swimming Overview
Regions and Map
Water Temperature Trends
In New South Wales (NSW), the water temperatures along the coastline can vary significantly depending on the season. During the summer months (December to February), sea temperatures along the eastern coast typically range from 70°F to 77°F (21°C to 25°C), providing ideal conditions for swimming, surfing, and other water activities. These warmer waters are especially welcoming for beachgoers, with areas like Bondi Beach in Sydney seeing consistent temperatures around 75°F (24°C) during the peak of summer.
In autumn (March to May), the water begins to cool slightly, with temperatures ranging from 68°F to 72°F (20°C to 22°C), making it still comfortable for ocean swimming, although less ideal for extended periods in the water. As winter approaches (June to August), sea temperatures drop further, typically ranging from 61°F to 64°F (16°C to 18°C). While colder, these temperatures are still swimmable for those prepared for the chill, especially in the northern regions of the state where the waters remain a bit warmer.
By spring (September to November), the waters begin to warm again, reaching between 64°F and 72°F (18°C to 22°C), as the weather becomes milder and more people return to the beach for outdoor activities. The water temperatures of New South Wales make it a popular destination for surfers year-round, though the best conditions for swimming generally fall during the warmer months of late spring and summer.