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Auckland Transport

Local notices to mariners Local notices to mariners


Notices to mariners cover events, local issues and infrastructure issues that may affect navigation in the Auckland region.

Local navigation aids warnings

For any enquiries please contact: harbourmaster@at.govt.nz


13–22 DANGER NOTICE NZ DEFENCE FORCE EXPLOSIVE DEMOLITION

The Kaipara Air Weapons Range will be activated from 8.00 am to 6.00 pm daily from 23 May to the 27 May 22 inclusive. The New Zealand Defence Force is conducting an explosives demolition exercise.

The area concerned is the land and sea at South Kaipara Head contained within a 5 500 metre radius circle centred on a position 36°28.755 South and 174°9.635 East. The area will be marked by flags on the access roads and will be patrolled. For their safety the Public are WARNED to stay well clear of the area during the periods of activation.

A map showing the area at South Kaipara Head where the NZ Defence Force will be conducting an explosive demolition exercise

*Not to be used for navigation

Marc Davis
Operations Manager
Harbourmaster’s Office


41 – 21 Great Barrier Island – no anchoring areas

This notice replaces previous Local Notice to Mariners 39 – 21.

All mariners are advised that there are three no anchoring/closed areas on Great Barrier Island. The no anchoring areas are: Blind Bay, Whangaparapara and Tryphena Harbours. You can anchor with a permit from MPI, but not for any other reason.

There is guidance on the MPI page.

Please contact Ministry of Primary Industries for further details Ministry for Primary Industries.

*Not to be used for navigation.

Jason Son
Maritime Officer


Notice: 19 - 21 Navigational hazard, sandbank shoaling, Tamaki River

All mariners are advised that a sandbank, which is North of the No.15 marker in Tamaki River, is shoaling due to sand-building. Locations are identified as per below and the depth in the vicinity could be lower than charted depth.

All mariners are to navigate with additional caution while operating in this area.

Notice 19-21 Map of sand bank shoaling in Tamaki River
*Not to be used for navigation.

Jason Son
Maritime Officer


Notice: 12 - 21 Kennedy Pt Waiheke Island Marina Development Project Stage 1

All mariners are advised that construction work for the new Kennedy Point Marina Devolvement will commence next week. Construction vessels, including a Jack-up Barge, will be operating in the area highlighted below.

All vessels are requested to keep clear of the marina construction zone and all authorised vessels to maintain a safe distance from any construction and work vessel during Stage 1 of the marina construction programme.

Notice: 12 - 21 Kennedy Pt Waiheke Island Marina Development Project Stage 1
*Not to be used for navigation

Bruce Goff
Maritime Officer
Harbourmaster’s Office


Notice: 02 – 21 Navigational hazard, a lost mast near Maraetai

All mariners are advised that a navigational hazard is reported near Maraetai (GPS coordinates 36 51.289S, 175 00.569E). A 16-metre long mast was lost and attached with an orange buoy for location.

All mariners are advised to navigate with caution while operating in this area.

Navigational hazard, a lost mast near Maraetai location map.
*Not to be used for navigation.

Jason Son
Maritime Officer


Local Notice to Mariners: 28 – 20 Old Māngere Bridge - Exclusion zone

All mariners are advised of an exclusion zone around the Old Māngare Bridge from 10 June 2020 until further notice.

Due to the Old Māngere Bridge Replacement Project, the bridge is closed for all transit or navigation. The exclusion zone extends from shore to shore, there is no safe access under the old bridge. Buoys will mark the exclusion zone, however, should barges be working these will be temporarily removed and placed again afterwards.

All mariners are advised to stay at least 50 metres away from the old bridge and work area and to take care when using the Coronation Road boat ramp. Signage is available onsite illustrating the exclusion zone.

Under no circumstances should a vessel try to enter the exclusion zone while the bridge demolition works are underway.

NZTA notice of Mangere bridge exclusion zone while it is being demolished.
Figure 1: Old Māngere Bridge Exclusion Zone.

All mariners are advised to navigate with caution while operating in this area.

This notice expires on 15 June 2021.

Micah Madsen
Maritime Officer


Notice: 20 - 20 Significant Hazard to Navigation – Overturned barge

All mariners are advised that an overturned barge has been anchored approximately 0.75nm North of Army Bay Whangaparaoa Peninsular in positions 36°35.443, 174°48.246.

The barge is marked with a Yellow special mark light FL2s – 2M. There are also Orange tear drops buoys nearby marking the anchor positions.

There are also reports of a significant amount of floating tow lines still attached to the barge.

All mariners are asked to remain well clear of this area and navigate with caution.

Map showing location of overturned barge.
Figure 1: Location of Overturned Barge - not to be used for navigation.

All mariners are advised to navigate with caution while operating in this area.

Micah Madsen
Maritime Officer


Notice to Mariners: 57 - 19 Submerged pile in the approaches to Tramcar Bay Boat Yard, Whangateau

The Harbourmaster has received reports of a submerged pile in the approaches to Tramcar Bay boat yard in the waters between Whangateau Harbour and Tramcar Bay.

All mariners are advised to navigate with extreme caution when operating in this area.

Area showing submerged pile in the approaches to Tramcar Bay Boat Yard, Whangateau
Not to be used for navigation.

Pulasthi Ranasinghe
Maritime Officer


Notice to Mariners: 32 - 19 Motuihe Wharf Closure

All mariners are advised that the Department of Conservation has closed the Motuihe wharf due to public safety, the wharf will remain closed until further notice.

The Department is working closely with engineers to look at options available to remedy issues and re-open the wharf as soon as practicable.

The Department apologises for any inconvenience and will continue to keep the public informed as they seek solutions.

Updates will be provided on the DOC website and should you require further information, please contact the DOC hotline on 0800 362 468.

View of above Motuihe Wharf  which is closed temporarily
Map not to be used for navigation.

Pulasthi Ranasinghe
Maritime Officer


Notice: 28 - 18 Hobson Bay/Okahu Bay wave screen

All mariners are advised to navigate with caution in the vicinity of the Hobson Bay/Okahu Bay derelict wave screen. Mariners are reminded that they should only navigate through the recognised entry/exit (as per chart NZ 5322).

Notice 28-18 Hobson Bay Okahu Bay wave screen
Map not to be used for navigation.

Christiaan Moss
Deputy Harbourmaster


Notice: 04 - 18 Half Moon Bay, Bucklands Beach marina damaged breakwater, low wake zone

All mariners are reminded to reduce their speed to 5 knots and/or their minimum steerage speed, in order to create a low wake while in the vicinity of the Bucklands Beach Marina. The breakwater was damaged by the recent storm event and requires extensive repair. Mariners should navigate with caution while in this area.

Local Notice to Mariners 04 -18 Half Moon Bay, Bucklands Beach marina damaged breakwater, low wake zone
Map not to be used for navigation.

Christiaan Moss
Deputy Harbourmaster


Notice: 50 - 17 Navigation Hazard: Sunk Yacht - Henderson Creek

All mariners are advised of a yacht 9.7 meters in length that have sunk in the Henderson Creek, potentially impeding navigation. The yacht lies on the eastern side of the creek bank.

GPS coordinates:

  • Latitude 36° 44' 123
  • Longitude 174° 46' 123

All mariners are advised to navigate with extreme caution when transiting the creek.

Navigation Hazard - Sunk Yacht in Henderson Creek
Map not to be used for navigation.

Bruce Goff
Maritime Officer


Notice 22 - 17: Wairoa River, fallen tree (upper reaches), 20 July 2017

All Mariners are advised that a large tree has fallen into the upper reaches of the Wairoa River, potentially impeding navigation.

GPS coordinates:

  • Latitude 36°58’840
  • Longitude 175°02’655 

All mariners are advised to navigate with extreme caution in this area.

Notice 22–17 map
The map is not to be used for navigation.

Bruce Goff
Maritime Officer


Notice 08 - 17: Chart Plotters - updated 14 March 2017

All Mariners are reminded that electronic chart plotters are to be used as an aid to navigation and paper charts should be updated and consulted.

Electronic raster charts used on some plotters may not incorporate the latest chart corrections.

Mariners are reminded to use up to date charts for navigation and advised to contact their plotter supplier if in doubt.

Harbourmaster’s Office


Some images on this page are based on/include LINZ’s data which are licensed by Land Information New Zealand (LINZ) for re-use under the Creative Commons Attribution 4.0 International license.


Pest warning: Mediterranean Fanworm

The Mediterranean Farmworn is a pest that has been spotted in the Waitemata Harbour/inner Hauraki Gulf, as well as the Whangarei Harbour and Lyttleton Port.

Keep your boat's hull clean to reduce the risk of this pest clinging and causing damage to our marine life.

Marine Biosecurity Information: New Rules & Regulations

Marine pests spread easily through ballast water and hull fouling, including Mediterranean fanworm (Sabella Spallanzani) and Clubbed tunicate (Styela clava). Check to ensure your hull is clean and be aware of other regions rules before leaving Auckland.

Visit marinepests.nz for more information and to check marine biosecurity rules and regulations for different regions in the northern North Island.

Read further information on marine pests (PDF 334KB)


Weather information

For up-to-date weather information, visit the MetService website.

Link to Coastguard Now Casting Weather Information VHF Channels: https://www.coastguard.nz/boating-safely/marine-weather