manukau harbour news

The Manukau Harbour is the second largest natural harbour in New Zealand by area. It is located to the southwest of the Auckland isthmus, and opens out into the Tasman Sea. The harbour mouth is between the northern head located at the southern end of the Waitākere Ranges and South Head at the end of the Āwhitu Peninsula reaching up from clos…
The Manukau Harbour is the second largest natural harbour in New Zealand by area. It is located to the southwest of the Auckland isthmus, and opens out into the Tasman Sea. The harbour mouth is between the northern head located at the southern end of the Waitākere Ranges and South Head at the end of the Āwhitu Peninsula reaching up from close to the mouth of the Waikato River. The mouth is only 1800 metres wide, but after a nine kilometre channel it opens up into a roughly square basin 20 kilometres in width. The harbour has a water surface area of 394 square kilometres. There is a tidal variation of up to 4 metres, a very substantial change, especially since the harbour, being silted up with almost 10 million years of sedimentation, is rather shallow itself.
  • Location: Auckland Region, New Zealand
  • River sources: Big Muddy Creek, Harania Creek, Little Muddy Creek, Pūkaki Creek, Tahekeroa River, Taihiki River, Waiuku River
  • Ocean/sea sources: Tasman Sea
  • Basin countries: New Zealand
  • Islands: Ngarango Otainui Island, Pararekau Island, Paratutae Island, Puketutu Island, Te Toka-Tapu-a-Kupe / Ninepin Rock, Wiroa Island
  • Sections/sub-basins: Māngere Inlet, Pahurehure Inet, Waiuku Inlet
  • Settlements: Little Huia, Huia, Cornwallis, Parau, Auckland, Kingseat, Clarks Beach, Glenbrook, Waiuku, Āwhitu

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Data from: en.wikipedia.org