| Three Mile Beach | West Coast | Tasman Sea | 12.9°C(55.2°F) | January, February, March, April | Live SST → |
| Three Mile Beach | Southland | Tasman Sea | 12.6°C(54.7°F) | January, February, March, April | Live SST → |
| Tindalls Beach | Auckland | Fiji Sea | 14.3°C(57.7°F) | January, February, March, April | Live SST → |
| Titirangi Beach | Auckland | Tasman Sea | 14.5°C(58.1°F) | January, February, March, April | Live SST → |
| Tokerau Beach | Northland | Fiji Sea | 15.6°C(60.1°F) | January, February, March, April | Live SST → |
| Tomahawk Beach | Otago | Tasman Sea | 10.6°C(51.1°F) | January, February, March, December | Live SST → |
| Tōtaranui Beach | Tasman District | Tasman Sea | 12.9°C(55.2°F) | January, February, March, December | Live SST → |
| Tunnel Beach | Otago | Tasman Sea | 10.6°C(51.1°F) | January, February, March, December | Live SST → |
| Tūtakahikura | Otago | Tasman Sea | 10.7°C(51.3°F) | January, February, March, December | Live SST → |
| Twenty Minute Beach | West Coast | Tasman Sea | 13.1°C(55.6°F) | January, February, March, April | Live SST → |
| Twin Beach | West Coast | Tasman Sea | 13.1°C(55.6°F) | January, February, March, April | Live SST → |
| Umupuia Beach | Auckland | Fiji Sea | 14°C(57.2°F) | January, February, March, April | Live SST → |
| Uretiti Beach | Northland | Fiji Sea | 15.1°C(59.2°F) | January, February, March, April | Live SST → |
| Victory Beach | Otago | Tasman Sea | 10.6°C(51.1°F) | January, February, March, December | Live SST → |
| Wahirua Bay Beach | Auckland | Tasman Sea | 14.5°C(58.1°F) | January, February, March, April | Live SST → |
| Waiake Beach | Auckland | Fiji Sea | 14.3°C(57.7°F) | January, February, March, April | Live SST → |
| Waihau Beach | Gisborne District | Fiji Sea | 14.2°C(57.6°F) | January, February, March, April | Live SST → |
| Waihī Beach | Gisborne District | Fiji Sea | 14.2°C(57.6°F) | January, February, March, April | Live SST → |
| Waiho Beach | West Coast | Tasman Sea | 12.9°C(55.2°F) | January, February, March, April | Live SST → |
| Waikanae Beach | Gisborne District | Coastal Waters | 13.9°C(57°F) | January, February, March, April | Live SST → |
| Waikawau Beach | Waikato | Tasman Sea | 14.1°C(57.4°F) | January, February, March, April | Live SST → |
| Waikawau Beach | Waikato | Fiji Sea | 14.8°C(58.6°F) | January, February, March, April | Live SST → |
| Waikuku Beach | Northland | Fiji Sea | 15.9°C(60.6°F) | January, February, March, April | Live SST → |
| Wainamu Beach | Waikato | Tasman Sea | 14.3°C(57.7°F) | January, February, March, April | Live SST → |
| Waiōhewa Beach | Bay of Plenty | Tasman Sea | 14.6°C(58.3°F) | January, February, March, April | Live SST → |
| Waiomanu Beach | Auckland | Fiji Sea | 14°C(57.2°F) | January, February, March, April | Live SST → |
| Waiotahe Beach | Bay of Plenty | Fiji Sea | 14.7°C(58.5°F) | January, February, March, April | Live SST → |
| Waipaparoa / Howick Beach | Auckland | Fiji Sea | 14.3°C(57.7°F) | January, February, March, April | Live SST → |
| Waipāti Beach | Otago | Tasman Sea | 10.8°C(51.4°F) | January, February, March, April | Live SST → |
| Waipātiki Beach | Hawke's Bay | Tasman Sea | 13.2°C(55.8°F) | January, February, March, December | Live SST → |
| Waipū Cove Beach | Northland | Fiji Sea | 14.8°C(58.6°F) | January, February, March, April | Live SST → |
| Wairaka Beach | Northland | Fiji Sea | 15.6°C(60.1°F) | January, February, March, April | Live SST → |
| Wairere Beach | Gisborne District | Fiji Sea | 14.2°C(57.6°F) | January, February, March, April | Live SST → |
| Wairiki Beach | Northland | Fiji Sea | 16°C(60.8°F) | January, February, March, April | Live SST → |
| Waitangi West Beach | Chatham Islands Territory | Coastal Waters | 11.4°C(52.5°F) | January, February, March, April | Live SST → |
| Waiwera Beach | Auckland | Fiji Sea | 14.5°C(58.1°F) | January, February, March, April | Live SST → |
| Wakanui Beach | Canterbury | Tasman Sea | 10.3°C(50.5°F) | January, February, March, December | Live SST → |
| Walkers Beach | Canterbury | Tasman Sea | 10.4°C(50.7°F) | January, February, March, December | Live SST → |
| Wallace Beach | Otago | Tasman Sea | 10.8°C(51.4°F) | January, February, March, April | Live SST → |
| Ward Beach | Marlborough District | Tasman Sea | 11°C(51.8°F) | January, February, March, December | Live SST → |
| Watercress Beach | Southland | Tasman Sea | 11.1°C(52°F) | January, February, March, April | Live SST → |
| Watsons Beach | Otago | Tasman Sea | 10.7°C(51.3°F) | January, February, March, April | Live SST → |
| West End Beach | Southland | Tasman Sea | 11.1°C(52°F) | January, February, March, April | Live SST → |
| West Ruggedy Beach | Southland | Tasman Sea | 11.6°C(52.9°F) | January, February, March, April | Live SST → |
| Westhaven Beach | Auckland | Fiji Sea | 14.5°C(58.1°F) | January, February, March, April | Live SST → |
| Westshore Beach | Hawke's Bay | Tasman Sea | 13.2°C(55.8°F) | January, February, March, December | Live SST → |
| Whakanewha | Auckland | Fiji Sea | 14°C(57.2°F) | January, February, March, April | Live SST → |
| Whāngaimoana Beach | Wellington | Tasman Sea | 12.7°C(54.9°F) | January, February, March, December | Live SST → |
| Whangākea Beach | Northland | Fiji Sea | 15.6°C(60.1°F) | January, February, March, April | Live SST → |
| Whangapoua Beach | Auckland | Fiji Sea | 15°C(59°F) | January, February, March, April | Live SST → |