| Yallingup Beach | Western Australia | Coastal Waters | 17.6°C(63.7°F) | January, February, March, April | Live SST → |
| Yaroomba Beach | Queensland | Coral Sea | 21.3°C(70.3°F) | January, February, March, April, December | Live SST → |
| YCW | Victoria | Tasman Sea | 13.2°C(55.8°F) | January, February, March, April | Live SST → |
| Yeagarup Beach | Western Australia | Coastal Waters | 17.8°C(64°F) | February, March, April, May | Live SST → |
| Yellow Rock Beach | Tasmania | Tasman Sea | 13.5°C(56.3°F) | January, February, March, April | Live SST → |
| Yokinup Beach | Western Australia | Coastal Waters | 16°C(60.8°F) | January, February, March, April | Live SST → |
| Zenith Beach | New South Wales | Tasman Sea | 18.9°C(66°F) | January, February, March, April, December | Live SST → |