| Fairway polygon (Hydro, 1:4k - 1:22k) | New Zealand Hydrographic Authority | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 19505 | 128 | ||
| Precautionary area polygon (Hydro, 1:22k - 1:90k) | New Zealand Hydrographic Authority | Land Information New Zealand | Creative Commons Attribution 4.0 International | Layer | Vector | 17475 | 113 |