Harbourmaster Notifications

Harbour Notice 33-2025
Warning 12:59PM Wednesday 10 December, 2025

A distress signalling training exercise (14 handheld red flares and 3 orange smoke flares) will be undertaken by Coast Guard between 1400 and 1500 on Saturday 13 December at Cherry Tree Bay, Catherine Cove, D’Urville Island.

Mariners are advised to navigate with caution. read on

Lake Argyle power boat club day
Warning 4:05PM Monday 8 December, 2025

Harbour Notice 31-2025
Lake Argyle - Closed for power boat club day
Saturday 13 and Sunday 14 December 2025
Between 8am and 5pm on 13 and 14 December, Lake Argyle is reserved for powerboat racing.

A speed-limit uplifting is also in force, only for vessels involved in the event.

The entire lake is closed to all swimmers and public vessels (including paddlecraft and waterskiers), for… read on

Marine oil spill response activities
Warning 12:39PM Monday 8 December, 2025

​Notice to the public issued under section 305(1)(d) of the Maritime Transport Act 1994
To: Any member of the public

 

Incident: GOLDEN LEA

Marlborough District Council is carrying out marine oil spill response activities in response to the above incident. In order to take such action, and in the interests of public safety, the Regional On-Scene Commander considers it necessary to restrict access to [any… read on

Harbour Notice 28-2025
General Info 7:57PM Thursday 13 November, 2025

A new Port Lateral marine beacon has been installed at the head of the Waikawa Bay Marina, Southern Breakwater.

This beacon will provide additional assistance to mariners transiting the marina entrance, alongside the Starboard Lateral beacon on the Northern Breakwater.

Information for the new Port Lateral beacon are as follows:

• Name - Waikawa Bay Marina. S Breakwater

• Location - 41 15.88 S… read on

Harbour Notice 27-2025
Event 10:51AM Tuesday 11 November, 2025

Temporary Exclusion Zone

Picton Maritime Festival Fireworks Display

 

In accordance with the Navigation Bylaws, Picton Inner Harbour (designed area only) temporarily reserved for fireworks display from:

9pm to 10.30pm on 17 January 2026

For safety reasons, during this time, unauthorised vessels and persons are requested to keep clear of the reserved area as directed by the events officials.

 

The Navigation Bylaw can be viewed on… read on

Harbour Notice 25-2025
Event 8:58AM Thursday 6 November, 2025

Temporary Exclusion Zone

Okiwi Bay New Years Day Fireworks Display

 

In accordance with the Navigation Bylaws, Okiwi Bay (designed area only) temporarily reserved for fireworks display from:

From 2pm to 11.30pm on 1 January 2026

For safety reasons, during this time, unauthorised vessels and persons are requested to keep clear of the reserved area as directed by the events officials.

 

The Navigation Bylaw can be viewed… read on

Harbour Notice 24-2025
Warning 10:42AM Tuesday 4 November, 2025

Temporary Exclusion Zone
Picton New Years Eve Fireworks Display
In accordance with the Navigation Bylaws, Picton Inner Harbour (designed area only) temporarily reserved for
fireworks display from:

10.30 pm on 31 December 2025 to 12.45 pm on 01 January 2026.

For safety reasons, during this time, unauthorised vessels and persons are requested to keep clear of the reserved area as directed by the events officials.

The Navigation… read on

Harbour Notice 26-2025
Warning 4:22PM Friday 31 October, 2025

A vessel has sunk at mooring 277 in Little Ngakuta Bay.

All vessels are to proceed at slow speed when navigating to the nearby jetty or manoeuvring near mooring 277.

All mariners are advised to navigate with caution. read on

Harbour Notice 22-2025
Warning 7:38PM Friday 24 October, 2025

20 November 2025
In addition, a wreck has been found in Tom Canes Bay located at position 41°19.175'S, 174°06.663'E. It is located approximately in 4.3 metres of water.

All mariners are advised to navigate with caution.

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24 October 2025
Uncharted rocks have been located during survey work in the vicinity of position 41 21.820’ S 174 05.519’ E.

Depths are at 6m below chart datum,… read on

Harbour Notice 21-2025
Warning 2:29PM Friday 10 October, 2025

Harbour Notice 21-2025
An algae bloom monitoring programme has commenced in Tory Channel / Kura Te Au.

The programme involves 6 passive sampling devices which are attached to small plates by a buoy located in

Deep Bay, Tawa Bay and Whatamango Bay.

Bay Name

Buoy # of 6

GPS co-ordinate

Whatamango Bay

Buoy 1 of 6

S 41°15'57.8" E 174°04'33.0"

Whatamango Bay

Buoy 2 of 6

S 41°15'57.1" E 174°04'31.9"

Note: this photo… read on