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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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  Event: Vessels operating at high speed, Blackwood River

Mariners are hereby advised that racing power vessels will be operating at high speeds competing in the approved 2021 “Blackwood Classic 250” event from 8:00 AM to 5:00 PM on the following dates and locations: 

Blackwood River

  • Saturday 25 September 2021 from Nannup to Schroders Weir
  • Sunday 26 September 2021 from Winnejup Falls to Maranup Ford Bridge
  • Monday 27 September 2021 from Maranup Ford Bridge to Nannup

Mariners are advised to navigate with caution when transiting these areas and remain well clear of the event vessels at all times.

Locations:

  • 33° 59.634’S, 115° 44.453’E, 
    ?33° 59.058’S, 116° 18.121’E, 
    33° 57.344’S, 116° 2.889’E

Start date: 25/09/2021.
End date: 27/09/2021.
Issued: 23/09/2021
Number: Not2021 - 134

 

  Advice: Shallowing - Northern entrance to Pelican Point Canals, mouth of the Collie River, Bunbury

Mariners are advised that shallowing has occurred at the northern entrance to the Pelican Point Canals (immediately downstream of the mouth of the Collie River, Bunbury) reducing depths and restricting navigation in the vicinity.

The shallowest area of the canals, outside the edges of the canals, is reported to be on the southern side of the approach channel, about 20m upstream of the pedestrian bridge into the northern canal entrance

Chart reference: Department of Transport Chart WA776 – Preston to Bunbury

Mariners are advised to use caution when transiting the area.

  • Start date: 
  • End Date: 
  • Issued: 22/09/2021
  • Number: 2021-133

  Advice: Special marker buoy, Bunbury Outer Harbour

A lit special marker buoy (flash rate: Fl Y 4s) has been placed near the NE end of Berth 1 Outer Harbour Bunbury to mark a depth of 6m.

From the marker to the berth fender line, the sea bed shoals rapidly to a drying patch at the NE end of Berth 1.

Mariners are advised to keep to the eastern side of the buoy.

Expected date of recovery: Early December 2021

Location: 33° 18.34'S, 115° 38.75'E

Chart reference: Department of Transport chart 859 – Bunbury to Port Geographe

  • Start date: 
  • End date: Early December 2021
  • Issued: 09/09/2021
  • Number: 2021-121

  Advice: Environmental monitoring equipment, Port Geographe vicinity

Mariners are advised that environmental monitoring equipment will be temporarily deployed from late September 2021 in the Port Geographe vicinity at the following six (6) sites:

Site  Lats Longs
Impact 1 33° 37.338' S 115° 23.840' E
Impact 2 33° 37.328' S 115° 23.749' E
Ref_B1 33° 38.083' S 115° 22.269' E
Ref_B2 33° 38.074' S 115° 22.399' E
Ref_A1 33° 37.498' S 115° 22.277' E
Ref_A2 33° 37.496' S 115° 22.341' E

Each site will be marked with a yellow surface buoy, approximately thirty (30 cm) in diameter, equipped with flashing yellow lights.

Recovery date: April 2022

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

Chart Reference: AUS755 – Cape Peron to Cape Naturaliste

  • Start date: Late September 2021.
  • End date: 30/04//2022.
  • Issued: 03/09/2021
  • Number: 2021-120

  Warning: Submerged Hazard, Stirling St / Albert Road Boat Ramp – Leschenault Inlet, Bunbury

A submerged hazard has been reported in the vicinity of the Stirling St / Albert Road Boat Ramp in the Leschenault Inlet, Bunbury.

  • Chart reference: Department of Transport Chart WA859 – Bunbury to Port Geographe 

  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. Vessels with a draught of 1.5m or more may be at risk of grounding when navigating through this 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: Thu Sep 23 2021 1:41:01 PM