Great Southern TNTM

View the Temporary Notices To Mariners in the Great Southern region.

Follow marine safety notices on Twitter Please subscribe to our MarineSafetyWA Twitter feed to receive regular updates on temporary notices to mariners (TNTM).

  Notice 2019 - 136: Oyster Harbour Reef Construction, Albany

Oyster Harbour, Albany

Mariners are advised that construction of 2 limestone reefs at Oyster Harbour, Albany will commence on Tuesday 19 November 2019 and is expected to be completed by Friday 13 December 2019. The works will take place Monday to Saturday during daylight hours.

These works will take place from a barge and working vessel which will transport reef material (limestone rubble) from Emu Point Boat Harbour to the following construction zones:

Reef Site Construction Zones Latitude Longitude Water Depth
Green Island Zone:      

Green Island (NW Corner)

34° 59.165'S  E 117° 57.212' 5.8m
Green Island (NE Corner) 34° 59.200'  E 117° 57.263' 7.1m
Green Island (SE Corner) 34° 59.304'  E 117° 57.157' 5.5m
Green Island (SW Corner) 34° 59.269' E 117° 57.106' 5.5m
Emu Point Waterski Area Zone:      
Emu Point Waterski Area (NW Corner) 34° 59.448' E 117° 57.576' 4.6m
Emu Point Waterski Area (NE Corner) 34° 59.504' E 117° 57.593' 4.7m
Emu Point Waterski Area (SE Corner) 34° 59.584' E 117° 57.571' 4.2m
Emu Point Waterski Area (SW Corner) 34° 59.620' E 117° 57.526' 5.9m


The reef sites will protrude approximately 0.2m 1m from the seabed. A minimum of 2.5m clearance will be maintained from the highest point of the reef structures and the surface of the water at LAT (Lowest Astronomical Tide).

When at the reef sites, the barge will be anchored and an excavator will deploy the reef material. The barge will remain on location outside of operating hours.

Please refer to the following link for a diagram depicting the location of the reef site construction zones:
 

Oyster
 

Chart Reference: Department of Transport Chart WA1083 Oyster Harbour

During the works, the corners of the construction zones will be marked by unlit yellow marker buoys which will be removed once the reef sites have been constructed.

All vessels taking part in the above works will exhibit shapes and lights in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times. Operators will monitor Marine Radio VHF Channel16 during operating hours.

Mariners are advised to use caution when transiting the area and keep well clear of the above operations.

Mark Briant, Manager, Navigational Safety and Moorings, Maritime, Department of Transport.

  • Start date: 19/11/2019.
  • End date: 13/12/2019.
  • Issued: 13/11/2019.

  Notice 2019-46: Shallowing - Wilson Inlet

Wilson Inlet, Denmark vicinity

Mariners are advised of shallowing throughout Wilson Inlet, including the Denmark River, reducing charted depths in all areas.

  • Chart: Department of Transport Chart DMH337 - Wilson Inlet

Mariners are advised to navigate with caution when transiting Wilson Inlet and Denmark River.

Mark Briant, Manager, Navigational Safety and Moorings, Marine Safety, Department of Transport.

  • Start date:
  • End date:
  • Issued: 21/03/2019.

  Notice 2018-99: Torbay wave buoy

Torbay, Albany vicinity

Mariners are advised that a wave rider buoy has been deployed at the following location, approximately 1.2 km from the shore at Torbay, Albany vicinity:

  • Location: 35 04.259'S, 117 46.498'E.

The above wave rider buoy is yellow in colour, approximately 0.9 metres in diameter, and equipped with a flashing yellow light.

  • Flash rate: Fl (5) Y 20s.
  • Recovery date: 2023.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the buoy at all times.

Authorised by: Mark Beal Navigational Aids Coordinator, Navigational Safety, Marine Safety Department of Transport.

  • Start date: 11/07/2018.
  • End date: Until further notice
  • Issued: 11/07/2018.

  Notice 2017-97: AWAC, Middleton Beach, King George Sound, Port of Albany

Middleton Beach, King George Sound, Port of Albany

Mariners are advised that an AWAC (Acoustic Wave and Current Profiler) has been deployed at the following location in the Middleton Beach vicinity, King George Sound in the Port of Albany.

  • Location: 35 01.242'S, 117 55.391'E.
  • Chart reference: Department of Transport Chart 1083 - Albany.

The above instrument is mounted on a triangular pyramid frame (1.6 metres base, 0.5 metre height) on the seabed in approximately 5 metres water depth.

  • Recovery date: 19 September 2020.

Mariners are advised to navigate with caution when transiting the area.

Authorised by: Mark Briant Manager, Navigational Safety, Marine Safety Department of Transport.

  • Start date:
  • End date: 19/09/2020.
  • Issued: 07/09/2017.

  Notice 2016-26: Special marker buoys, Wilson Inlet

Wilson Inlet, Denmark vicinity

Mariners are advised that two (2) special marker buoys have been deployed to mark submerged hazards in Wilson Inlet, Denmark vicinity as follows:

  • Poddy Point: 35 00.065's, 117 20.297'e (shallow rock, approximately 200 metres from the shore).
  • Paynes Bay: 34 59.431's, 117 20.949'e (The Reef, approximately 400 metres from the shore).
  • Chart Reference: Department of Transport Chart DMH337 - Wilson Inlet.

Each of the above buoys is yellow in colour, approximately one (1) metre in height, and equipped with flashing yellow lights. Flash rate: Fl Y 3s.

These buoys have been deployed until further notice. No vessel is to moor to, or interfere, with these buoys at any time.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above buoys at all times.

Authorised by: Mark Briant Manager, Navigational Safety, Marine Safety Department of Transport.

  • End date: Until Further Notice
  • Issued: 04/02/2016.

  Tweets by MarineSafetyWA

Note: Some notices may have been removed since the Tweet was issued.

 

Page last updated: Thu Nov 14 2019 10:01:44 AM