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Moana Kaitiaki
Waitematā Harbour Monitor
Ngāti Whātua Ōrākei · Te Hinaki Ltd
© 2026 Te Hinaki Ltd · Kaitiakitanga o te Moana
Moana Kaitiaki
5 sensors live · last sync 2 min ago

Wai Ora — Water Quality

Loading conditions...
Tukinotanga wai — Pollution detected
Elevated E. coli at Okahu Bay (site 03) following overnight rain. Rahui notification sent to 12 kaitiaki.
Wahi akiri — Active sites
Sensor network
1 alert
Te Tomokanga — Harbour entrance18.2°C
Rangitoto Channel18.0°C
Okahu Bay (site 03)High E. coli
Waitemata inner — Marae17.9°C
Hobson Bay outflow↑ turbidity
Ahuatanga wai — Live readings
Okahu Bay average
218CFU
E. coli / 100mL
18.4°C
Temperature
32NTU
Turbidity
7.1mg/L
Dissolved O2

Maramataka — Seasonal Calendar

Te marama o ēnei rā
Ōtāne ...
Whiro
New moon
Tamatea
Waxing
Ōtāne
Full moon
Tangaroa
Waning
Huarere — Current conditions
Devonport / Waitemata
Loading...
Hōtaka mahi — Activity calendar
This week — Ōtāne phase
Ruku kaimoana — Good for hī ika and divingThu–Sat
Riparian planting — optimal soil moistureMon–Wed
Wai monitoring — high tidal movement, take care with samplesFri
Kūtai seeding — avoid this phase, poor spat settlementAll week
Kōrero tīpuna — Elder observation
Kua tāpiritia tō kōrero. Tēnā koe!

Kaimoana — Stock Assessment

Āhuatanga kaimoana — Species status
Waitematā survey — Aperira 2026
Tāmure
Snapper
Low
Kōura
Crayfish
Critical
Pātiki
Flounder
Stable
Kina
Sea urchin
Declining
Tio
Rock oyster
Critical
Kūtai
Mussel
Critical
Ture hao ika — Catch limits & size minimums
Recreational limits per person per day
Source: Fisheries NZ. Customary fishing under R50/R51 may differ — check your permit conditions.
Species Min. size Daily limit
Tamure Snapper30 cm10
Koura Rock lobster54 mm tail6
Patiki Flounder25 cm20
Kina Sea urchin50
Tio Rock oyster58 mm50
Kutai Mussel50
Trevally Araara25 cm20
Kahawai25 cm20
Paua Abalone125 mm10
Tupa Scallop100 mm20
Waitemata HPA: No recreational fishing inside the Rangitoto/Motutapu High Protection Area (from 25 Oct 2025). Customary harvesting with valid R50/R51 permit and DOC authorisation only.
Tāpiri kitenga — Log a sighting
Kua tāpiritia tō kitenga. Tēnā koe!

Mahere — GIS Mapping

Tikapa Moana / Hauraki Gulf — Interactive map
Hauraki Gulf / Tikapa Moana Marine Protection Act 2025
In effect from 25 October 2025
19 new marine protected areas across the Hauraki Gulf. Tap each zone type below for rules.
Wāhi Tapu
Ōrākei, Bastion Point, Rangitoto, Motutapu, Māngere, Kaipara Portage
Sacred ancestral sites of Ngāti Whātua Ōrākei and mana whenua. Areas of deep cultural, spiritual and historical significance. Treat with utmost respect.
High Protection Areas (HPA) — 12 zones
Rangitoto/Motutapu, Kawau Bay, Motukawao, Cape Colville, Mokohinau Islands + more
No recreational or commercial fishing of any kind.
No taking of kaimoana (shellfish, fish, seaweed).

Customary fishing: Permitted with valid R50/R51 permit and DOC authorisation.

Swimming, kayaking, snorkelling and careful anchoring still allowed.

Limited ring-net fishing (kahawai, mullet, trevally) allowed Mar–Aug for pre-approved operators only in Rangitoto/Motutapu and Kawau HPAs.
Seafloor Protection Areas (SPA) — 5 zones
Kawau Bay, Cape Colville, Mokohinau, Hauraki Plains, Aldermen Islands
No bottom trawling, dredging or Danish seining.
Protects seagrass beds, shellfish and seafloor habitats.

Line fishing, spear fishing, diving and hand harvesting still allowed.
Marine Reserve Extensions — 2 zones
Goat Island / Te Hawere a Maki • Cathedral Cove / Te Whanganui-o-Hei
Full no-take marine reserve.
No fishing, collecting or disturbance of any kind.
Extensions of existing reserves under the 2025 Act.
Ngā tohutoro — Key resources
• Apply for customary permit: Raihana tab above

Oranga Moana — Biosecurity

Ngā mea tūkino — Invasive species watch
Mediterranean fanworm
Sabella spallanzanii
High risk · 3 reports
Asian paddle crab
Charybdis japonica
High risk · 1 report
Wakame seaweed
Undaria pinnatifida
Medium · monitored
Exotic Caulerpa
Caulerpa taxifolia
Gulf alert active
Pūrongo hou — Recent reports
Fanworm colony — Ōkahu Bay pontoon
K. Parata · 28 Mar · Sent to Council + MPI
Possible Caulerpa — Westhaven marina
T. Hauraki · 22 Mar · Under investigation
Hull fouling check — 14 vessels cleared
Ōrākei marina · 19 Mar · No pests detected
Ripoata hou — Report an incident
Tango whakaahua — Take or upload photo
Kua tukuna ki a Kaunihera me MPI. Tēnā koe!

Mauri o te Moana

Mauri framework authored by Dr Kepa Morgan BE, MBA, PhD, DistFEngNZ — Mauri: A Measure of Ecosystem Health. Used with acknowledgement.
Āhua mauri — Overall mauri state
48 / 100 Mauri Noho
Mauri Noho — Languishing
Mauri Tū — Thriving
Mauri Ora — Enhancing
Mauri Noho — Languishing
Mauri Mate — Diminishing
Ngā pou whā — Four dimensions
Tap each to expand indicators
Taiao — Environmental
Ecosystem health · score 38
Mauri Noho
Water quality — E. coli levelsMauri Mate
Dissolved oxygen levelsMauri Noho
Turbidity / sediment loadMauri Noho
Kūtai reef presenceMauri Mate
Seabird diversityMauri Ora
Native riparian vegetationMauri Ora
Hapū — Cultural
Identity & ancestral connection · score 62
Mauri Ora
Wānanga frequencyMauri Ora
Kaumātua engagementMauri Tū
Te reo use in kaitiakitangaMauri Ora
Rāhui practice observedMauri Noho
Waka ama active on harbourMauri Ora
Access to mahinga kai sitesMauri Mate
Hapori — Social
Community health & cohesion · score 55
Mauri Ora
Rangatahi participationMauri Ora
Marae-based programmes activeMauri Ora
Harbour swimming safetyMauri Mate
Whānau food securityMauri Noho
Kaitiaki training hoursMauri Tū
Whānau — Economic
Family-level sustainability · score 30
Mauri Noho
Customary harvest incomeMauri Mate
Rangatahi employment pathwaysMauri Ora
Kaimoana for marae eventsMauri Noho
Nursery seedling productionMauri Tū
Mauri-ometer — Score the moana
Adjust each dimension to update
38
62
55
30
Hītori mauri — 12-month trend
Waitematā Harbour · Apr 2025 – Apr 2026
A
M
J
J
A
S
O
N
D
J
F
M
Apr 2025Apr 2026
2023 storm events visible as mauri low point (Aug–Oct 2025). Recovery trending upward from Jan 2026 with active riparian planting and wai monitoring.

Raihana Hao Ika — Customary Permits

The Kaitiaki Moana portal streamlines the issuance of customary fishing permits, allowing whānau to legally harvest kaimoana for hui, tangihanga, and other marae functions. By digitizing this process, the iwi asserts mana motuhake over their rohe moana, enabling Kaitiaki to monitor catch data and ensure sustainable management in accordance with traditional values and legislative frameworks.
Reg. 50 & 51 · Fisheries (Amateur Fishing) Regulations 2013
Moana Kaitiaki
Raihana Hao Ika — Customary Permits v2
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