| Nine Mile Beach | New South Wales | Tasman Sea | 19°C(66.2°F) | January, February, March, April, May, December | Live SST → |
| Nine Mile Beach | Australia | Tasman Sea | 12.2°C(54°F) | January, February, March, April | Live SST → |
| Ninety Mile Beach | Victoria | Tasman Sea | 12.8°C(55°F) | January, February, March, December | Live SST → |
| Nobby Beach Beach | Queensland | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| Nobbys Beach | New South Wales | Tasman Sea | 18.5°C(65.3°F) | January, February, March, April | Live SST → |
| Noosa Heads (Main Beach) | Queensland | Coral Sea / Pacific Ocean | 21.7°C(71.1°F) | Oct, Nov, Dec, Jan, Feb, Mar, Apr, May | Live SST → |
| Noosa Main Beach | Queensland | Coral Sea | 21.5°C(70.7°F) | January, February, March, April, December | Live SST → |
| Norm's Beach | Queensland | Coral Sea | 21.5°C(70.7°F) | January, February, March, April, December | Live SST → |
| Norman Beach | Victoria | Tasman Sea | 13°C(55.4°F) | January, February, March, April | Live SST → |
| Normans Beach | Western Australia | Coastal Waters | 17.4°C(63.3°F) | February, March, April, May | Live SST → |
| North Avoca Beach | New South Wales | Tasman Sea | 18.5°C(65.3°F) | January, February, March, April | Live SST → |
| North Beach | New South Wales | Tasman Sea | 17.3°C(63.1°F) | January, February, March, April | Live SST → |
| North Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| North Beach | Western Australia | Coastal Waters | 18.7°C(65.7°F) | January, February, March, April | Live SST → |
| North Beach | Australia | Tasman Sea | 19.2°C(66.6°F) | January, February, March, April, December | Live SST → |
| North Burleigh Beach | Queensland | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| North Cottesloe Beach | Western Australia | Coastal Waters | 18.7°C(65.7°F) | January, February, March, April | Live SST → |
| North Cronulla Beach | New South Wales | Tasman Sea | 18.2°C(64.8°F) | January, February, March, April | Live SST → |
| North Era Beach | New South Wales | Tasman Sea | 18.2°C(64.8°F) | January, February, March, April | Live SST → |
| North Head Beach | New South Wales | Tasman Sea | 17°C(62.6°F) | January, February, March, April | Live SST → |
| North Kirra Beach | New South Wales | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| North Narrabeen Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| North Shore Beach | New South Wales | Tasman Sea | 20.5°C(68.9°F) | January, February, March, April | Live SST → |
| North Smoky Beach | New South Wales | Tasman Sea | 20.5°C(68.9°F) | January, February, March, April | Live SST → |
| North Steyne Beach | New South Wales | Tasman Sea | 18.4°C(65.1°F) | January, February, March, April | Live SST → |
| Northcliffe Beach | Queensland | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| Nudgee Beach | Queensland | Coral Sea | 20.4°C(68.7°F) | January, February, March, April, December | Live SST → |
| Nudist Beach (clothing Optional) | Victoria | Tasman Sea | 13.1°C(55.6°F) | January, February, March, April | Live SST → |
| Nutgrove Beach | Tasmania | Tasman Sea | 12°C(53.6°F) | January, February, March, April | Live SST → |
| Obelisk Beach | New South Wales | Tasman Sea | 18.4°C(65.1°F) | January, February, March, April | Live SST → |
| Oberon Beach | Victoria | Tasman Sea | 13°C(55.4°F) | January, February, March, April | Live SST → |
| Okines Beach | Tasmania | Tasman Sea | 12°C(53.6°F) | January, February, March, April | Live SST → |
| Old Pier Beach | Tasmania | Tasman Sea | 12.3°C(54.1°F) | January, February, March, April | Live SST → |
| Old Settlement Beach | Lord Howe Island | Tasman Sea | 19.2°C(66.6°F) | January, February, March, April, December | Live SST → |
| One Mile Beach | New South Wales | Tasman Sea | 19°C(66.2°F) | January, February, March, April, May, December | Live SST → |
| One Tree Beach | New South Wales | Tasman Sea | 17.8°C(64°F) | January, February, March | Live SST → |
| Opossum Bay Beach | Australia | Tasman Sea | 12°C(53.6°F) | January, February, March, April | Live SST → |
| Orchid Beach | Queensland | Coral Sea | 22.2°C(72°F) | January, February, March, April, May, November, December | Live SST → |
| Orford Beach | Tasmania | Tasman Sea | 12.4°C(54.3°F) | January, February, March, April | Live SST → |
| Orion Beach | New South Wales | Tasman Sea | 17.8°C(64°F) | January, February, March | Live SST → |
| Outer Bramble Beach | Western Australia | Coastal Waters | 17.6°C(63.7°F) | February, March, April, May | Live SST → |
| Oxley Beach | New South Wales | Tasman Sea | 20.5°C(68.9°F) | January, February, March, April | Live SST → |
| Pacific Beach | Queensland | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| Paddle Beach | Queensland | Coral Sea | 23.2°C(73.8°F) | January, February, March, April, May, October, November, December | Live SST → |
| Palm Beach | Queensland | Coral Sea | 21.4°C(70.5°F) | January, February, March, April, December | Live SST → |
| Paradise Beach | New South Wales | Tasman Sea | 18.3°C(64.9°F) | January, February, March, April | Live SST → |
| Pardoe Beach | Tasmania | Tasman Sea | 12.2°C(54°F) | January, February, March, April | Live SST → |
| Parkdale Beach | Victoria | Tasman Sea | 12.2°C(54°F) | January, February, March, December | Live SST → |
| Parker's Beach | Tasmania | Tasman Sea | 12°C(53.6°F) | January, February, March, April | Live SST → |
| Parsons Beach | South Australia | Coastal Waters | 14°C(57.2°F) | January, February, March, April | Live SST → |