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South West notices

View navigational warnings, event notices and Temporary Notices To Mariners for the South West region.

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  Advice: Maintenance works, “The Plug” (storm surge barrier) - Koombana Channel, Bunbury

Mariners are advised that maintenance works on “The Plug” (Koombana Channel Bridge) are scheduled to commence on Tuesday 28 January until Tuesday 31 March 2020.

These works will take place Monday to Saturdays from 6.00 am to 6.00 pm. A commercial pontoon barge and punt will be used to conduct the maintenance works.

As part of the works, a rolling scaffold platform will be suspended under the bridge. The scaffold will be approximately 3.2 metres wide and will reduce bridge clearance by approximately 2 metres. The scaffolding will only obstruct the navigational channel when works take place in the middle span.

The particular spans in which the works are taking place will be marked with lit yellow buoys placed on the channel approach.

Operators will monitor Marine VHF Channel 16 during operating hours.

Chart reference: Department of Transport Chart 776 – Preston to Bunbury

Mariners are advised to navigate with caution when transiting in the Koombana Channel during the above works period and consider using alternative boat launching facilities at the Casuarina Boat Harbour.

  • Start date: 28/01/2020.
  • End date: 31/03/2020.
  • Issued: 22/01/2020.
  • Number: 2020-16.

Chris R Mather, A/Manager, Navigational Safety, Marine Safety, Department of Transport

  Advice: Permanent deployment of Wave Rider Buoy, North of Port of Bunbury Breakwater

Wave Rider buoy, North of Port of Bunbury Breakwater

A Wave Rider buoy has been deployed in the northern part of Port of Bunbury waters at a location 2.4Nm north of Port of Bunbury Breakwater.

The buoy is lit with light flash code yellow Y 5 20s 4M.

Location: Latitude:33°15.6' S, Longitude: 115° 38.62 É

Chart reference: AUS Chart 755

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

  • Start date: 01/12/2019.
  • End date: Permanent (until further notice)
  • Issued: 29/11/2019.
  • Number: 2019-142.

 

  Advice: Gracetown shark monitoring buoys

Cowaramup Bay vicinity

Mariners are advised that three (3) shark monitoring buoys have been installed at the following locations in the Cowaramup Bay vicinity until further notice:

  • Location 1: 33° 51.384'S, 114° 58.772'E (North Point).
  • Location 2: 33° 51.577'S, 114° 58.568'E (Cowaramup Point).
  • Location 3: 33° 53.232'S, 114° 58.790'E (Lefthanders).
  • Chart reference: Chart AUS756 - Cape Naturaliste to Cape Leeuwin.

The above shark monitoring buoys are yellow in colour, approximately 2 metres in height and equipped with a flashing yellow light.

  • Flash rate: Fl Y 4s.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above shark monitoring buoys

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

  • Start date:
  • End date: Until further notice.
  • Issued: 18/01/2019.
  • Number: 2019-20.

  Advice: Shallowing, entrance to Collie River, Pelican Point vicinity

Leschenault Inlet

Mariners are advised that a build-up of sand has developed at the entrance to the Collie River, vicinity of Pelican Point and Bar Island, reducing depths and the width of the navigational channel.

  • Chart reference: Department of Transport Chart WA776 - Preston to Bunbury.

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

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

  • Start date:
  • End date:
  • Issued: 21/08/2018.
  • Number: 2018-163.

  Advice: Closure of Marlston Waterfront Jetty (Dome Cafe), Koombana Bay Bunbury

Marlston Waterfront Jetty (Dome Café, Koombana Bay Bunbury)

Mariners are advised that the Marlston Waterfront Jetty (adjacent to the Dome Café, Bonnefoi Boulevard Bunbury) has been closed until further notice due to storm damage.

A boom and yellow marker buoys have been deployed around the jetty.

Mariners are advised to remain east of the yellow marker buoys and exercise caution when towing skiers in the adjacent Koombana Bay water ski area.

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

  • Start date:
  • End date: Until further notice.
  • Issued: 20/09/2018.
  • Number: 2018-128.

  Advice: Mobile seagrass wrack, Port Geographe Harbour entrance channel

Port Geographe harbour entrance channel

Mariners are advised that mobile seagrass wrack may be present in the vicinity of the Port Geographe Harbour entrance channel.

This material can vary significantly in thickness and position over short time frames, reducing depths and restricting navigation in the channel.

The affected area includes the full extent of the entrance channel, with the worst affected area being in the entrance channel directly adjacent to the lagoon rock-wall.

Mariners are advised to navigate with caution in the entrance channel, allowing for changing conditions when traversing the area.

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

  • Start date:
  • End date: Until further notice.
  • Issued: 25/07/2018.
  • Number: 2018-106.

  Advice: Lake Stockton Boat Ramp closed

Lake Stockton / Stockton Open Cut, Shire of Collie

Mariners are advised that, due to a bank collapse adjacent to the boat ramp, the Lake Stockton boat ramp is closed until further notice.

Mariners launching trailered vessels are advised to exercise caution when launching into Lake Stockton due to steep drop off surrounding the lakes edge.

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

  • Start date:
  • End date: Until further notice.
  • Issued: 31/05/2018.
  • Number: 2018-91.

  Advice: Sandbars Dolphin Road Boat Ramp, Broadwater Busselton

Vicinity of Dolphin Road Boat Ramp, Broadwater Busselton

Mariners are advised that due to migrating sand bars, shallow depths have been reported at around 60 metres from shore to the approaches of the Dolphin Road Boat Ramp.

  • Chart Reference: Department of Transport Chart WA966 - Cape Naturaliste.

Mariners are advised to exercise caution when navigating in the vicinity of the Dolphin Road Boat Ramp.

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

  • Start date:
  • End date:
  • Issued: 14/02/2018.
  • Number: 2018-27.

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Page last updated: Mon Mar 9 2020 3:49:56 PM