| Wamberal Beach | New South Wales | Tasman Sea | 18.5°C(65.3°F) | January, February, March, April | Live SST → |
| Wanda Beach | New South Wales | Tasman Sea | 18.2°C(64.8°F) | January, February, March, April | Live SST → |
| Wangetti Beach | Queensland | Coral Sea | 24.7°C(76.5°F) | January, February, March, April, May, June, September, October, November, December | Live SST → |
| Warnbro Beach | Western Australia | Coastal Waters | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| Warriewood Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| Washaway Beach | New South Wales | Tasman Sea | 18.4°C(65.1°F) | January, February, March, April | Live SST → |
| Waterfall Beach | Western Australia | Coastal Waters | 17.4°C(63.3°F) | February, March, April, May | Live SST → |
| Waterhouse Beach | Tasmania | Tasman Sea | 12.2°C(54°F) | January, February, March, April | Live SST → |
| Waterloo Beach | Tasmania | Tasman Sea | 12.2°C(54°F) | January, February, March, April | Live SST → |
| Waterman Beach | Western Australia | Coastal Waters | 18.7°C(65.7°F) | January, February, March, April | Live SST → |
| Watsons Bay | New South Wales | Tasman Sea | 18.4°C(65.1°F) | January, February, March, April | Live SST → |
| Wattamolla Beach | New South Wales | Tasman Sea | 18.2°C(64.8°F) | January, February, March, April | Live SST → |
| Waubs Beach | Tasmania | Tasman Sea | 12.8°C(55°F) | January, February, March, April | Live SST → |
| Well Beach | Australia | Savu Sea | 23.9°C(75°F) | January, February, March, April, May, June, July, October, November, December | Live SST → |
| Wellington Beach | New South Wales | Coral Sea | 20.3°C(68.5°F) | January, February, March, April | Live SST → |
| Werri Beach | New South Wales | Tasman Sea | 17.8°C(64°F) | January, February, March, April | Live SST → |
| Werrong Beach | New South Wales | Tasman Sea | 18.2°C(64.8°F) | January, February, March, April | Live SST → |
| West Bay | South Australia | Coastal Waters | 15.1°C(59.2°F) | January, February, March, April | Live SST → |
| West Beach | Western Australia | Coastal Waters | 16.4°C(61.5°F) | January, February, March, April | Live SST → |
| West Beach | Victoria | Tasman Sea | 12.2°C(54°F) | January, February, March, December | Live SST → |
| West Beach | Victoria | Tasman Sea | 14.7°C(58.5°F) | January, February, March, April | Live SST → |
| West Beach | Tasmania | Tasman Sea | 12.1°C(53.8°F) | January, February, March, April | Live SST → |
| West Head Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| West Lakes Shore Beach | South Australia | Coastal Waters | 14°C(57.2°F) | January, February, March, December | Live SST → |
| West Strahan Beach | Tasmania | Tasman Sea | 12.7°C(54.9°F) | January, February, March, April | Live SST → |
| West Telegraph Beach | Tasmania | Tasman Sea | 12.8°C(55°F) | January, February, March, April | Live SST → |
| West Tomahawk Beach | Tasmania | Tasman Sea | 12.2°C(54°F) | January, February, March, April | Live SST → |
| Whale Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| Whalers Beach | Western Australia | Coastal Waters | 17.6°C(63.7°F) | February, March, April, May | Live SST → |
| Whisky Bay | Victoria | Tasman Sea | 13°C(55.4°F) | January, February, March, April | Live SST → |
| White Beach | Tasmania | Tasman Sea | 12°C(53.6°F) | January, February, March, April | Live SST → |
| Whitehaven Beach | Queensland | Coral Sea | 23.3°C(73.9°F) | January, February, March, April, May, October, November, December | Live SST → |
| Whites Beach | Western Australia | Savu Sea | 23.7°C(74.7°F) | January, February, March, April, May, June, July, October, November, December | Live SST → |
| Whites Beach | Victoria | Tasman Sea | 13.1°C(55.6°F) | January, February, March, April | Live SST → |
| Whitfords Beach | Western Australia | Coastal Waters | 18.7°C(65.7°F) | January, February, March, April | Live SST → |
| Whiting Beach | New South Wales | Tasman Sea | 18.4°C(65.1°F) | January, February, March, April | Live SST → |
| Wickham Beach | Western Australia | Savu Sea | 23.7°C(74.7°F) | January, February, March, April, May, October, November, December | Live SST → |
| Williamsons Beach | Queensland | Coral Sea | 22.9°C(73.2°F) | January, February, March, April, May, October, November, December | Live SST → |
| Williamstown Beach | Victoria | Tasman Sea | 12.2°C(54°F) | January, February, March, December | Live SST → |
| Wilson's Beach | New South Wales | Tasman Sea | 17.8°C(64°F) | January, February, March | Live SST → |
| Wilsons Beach | New South Wales | Coral Sea | 20.5°C(68.9°F) | January, February, March, April | Live SST → |
| Wingan Inlet | Victoria | Tasman Sea | 14.9°C(58.8°F) | January, February, March, April | Live SST → |
| Woody Point Beach | Queensland | Coral Sea | 20.4°C(68.7°F) | January, February, March, April, December | Live SST → |
| Woolgoolga Back Beach | New South Wales | Coral Sea | 20.2°C(68.4°F) | January, February, March, April | Live SST → |
| Woonona Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| Wreck Beach | New South Wales | Tasman Sea | 18.9°C(66°F) | January, February, March, April, December | Live SST → |
| Wreck Beach | Victoria | Tasman Sea | 13.8°C(56.8°F) | January, February, March, April | Live SST → |
| Wreck Beach | Australia | Coral Sea | 21.7°C(71.1°F) | January, February, March, April, November, December | Live SST → |
| Wrinklers Beach | Tasmania | Tasman Sea | 12.9°C(55.2°F) | January, February, March, April | Live SST → |
| Wylie Head beach | Western Australia | Coastal Waters | 16.4°C(61.5°F) | January, February, March, April | Live SST → |