South West notices

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

 Event:  Closure of Waters to all vessels, Ironman WA 2024, Geographe Bay, City of Busselton

I Graeme Meinema, delegate of the Chief Executive Officer, acting pursuant to section 66 of the Western Australian Marine Act 1982 hereby close the following area of water to all vessels from Sunday 1st December 2024 during the following times: 4:30am – 10:30am

Busselton Jetty, Geographe Bay:

Area of Closure: - All the waters within Geographe Bay bounded by a line commencing at a point on the beach at approximately 33° 38.581’S, 115° 20.862’E (adjacent to Geographe Bay Road) thence 480 metres northwest to approximately 33° 38.341’S, 115° 20.757’E (approximately 450 metres east of the Busselton Jetty) thence southwest to approximately 33° 38.702’S, 115° 19.945’E (approximately 1000 metres southwest of the Busselton Jetty), thence southeast to the shore at approximately 33° 38.857’S, 115° 20.139’E, thence along the shoreline to the point of commencement.
Conditions of Closure:

No vessel shall transit through, anchor or moor within the closed waters area;

This notice does not apply to approved vessels associated with the approved event “IRONMAN Western Australia & IRONMAN 70.3 Western Australia”
Chart reference: WA966 - Cape Naturaliste
Location: -33: 38.592'S  115: 20.440'E
Start date: 01/12/2024
End date: 02/12/2024
Issued: 28/11/2024
Notice number: 6252

 Advice:  Closure of Waters - Turkey Point Bridge Works, Preston River, Bunbury

Pursuant to section 66 of the Western Australian Marine Act 1982, I Kathryn Davies, authorised person of the Department of Transport hereby close the following area of water to all vessels from Sunday 1st September 2024 to Monday 30th June 2025:

Preston River, Bunbury.

Area of Closure:
Waters bounded by the Bunbury Port rail bridge (where the Preston River and Victoria Bay converge) and a line east of the bridge commencing at 33° 19.26’S, 115° 40,64’E (western side of Preston River) thence southeast across the river to 33° 19,28’S, 115° 40.67’E.

The closure area will be delineated with yellow boom placed across the Preston River northeast of the causeway.

This area is set aside for safety measures during the construction of a new bridge for Southern Ports’ Port of Bunbury.

Conditions of closure:
No vessel shall transit through, anchor or moor within the closed waters area.
Chart reference: WA859 - Bunbury to Port Geographe
Location: -33:19.2945'S  115:40.6194'E
Start date: 01/09/2024
End date: 30/06/2025
Issued: 27/08/2024
Notice number: 6164

 Advice:  Dredging Works - Port of Bunbury

Mariners are advised that Dredging works at Port of Bunbury are scheduled to commence on Thursday 15 August 2024 and are expected to be completed by 30 November 2024.
Dredging will occur 24 hours per day, 7 days per week until completion.
The works will be carried out by the Trailing Suction Hopper Dredger – ‘Modi R’ (67.05m x 12.80m). Modi R is self-propelled and is restricted in its ability to manoeuvre.
Supporting Modi R will be a barge-based excavator (which will be positioned on spuds), Tug Edi and split hopper barge PM Skippy.
All sediment material dredged is to be disposed at the approved dredge spoil disposal ground, outside of the Port of Bunbury and approximately 10km northwest of the works.
Survey vessel ‘Rind R’ will be working in support of the dredging works.
All vessels will exhibit shapes and lights in accordance with the Prevention of collisions at Sea Regulations 1983.
Before navigating past working vessels, mariners are requested to contact the operators who will be monitoring the following radio frequencies:
VHF Channel 16 and Channel 12
Mariners are advised to navigate with caution when traversing the area.
Chart reference: WA776 - Preston to Bunbury
Location: -33: 18.59305'S  115: 38.54826'E
Start date: 15/08/2024
End date: 30/11/2024
Issued: 07/08/2024
Notice number: 6148

 Advice:  Maintenance Dredging Works Port Geographe Marina

Mariners are advised that maintenance dredging works at the entrance to the Port Geographe Marina will commence in July 2024 and will proceed until approximately early January 2025.

Mariners are advised to navigate with caution in the entrance channel. Significant infilling has reduced depths to approximately 1m Chart Datum and vessels may be at risk of grounding when navigating through this area.

Dredging will mainly occur Monday to Friday between the hours of 0700 and 1800hrs, with provision to take place during hours of darkness if required.

The works are being carried out by the cutter suction dredge “Cooper II”, equipped with floating pipelines & submerged pipelines to a length of 1.2km marked with yellow buoys which will display rhythmic flashing lights. The dredge has no self-propulsion and uses anchors and spuds to move. The dredge and connected pipeline will remain unmanned in the area of operation after normal operating hours for the duration of the works.

The dredge will exhibit shapes and lights in accordance with the Prevention of collisions at Sea Regulations 1983.

Mariners are requested to contact the operators when passing the dredge vessel, who will be monitoring the following radio frequencies:

VHF Channel 16
Marine 27 MHz Channel 88

Mariners are advised that offshore disposal is being undertaken for the maintenance dredging period. The offshore spill area is demarcated by yellow
surface buoys, approximately thirty (30 cm) in diameter, equipped with flashing yellow lights at the following locations:

2A 33° 37.4460728’ S 115° 23.4991987’ E
2B 33° 37.3676302’ S 115° 23.6668772’ E
2C 33° 37.3682340’ S 115° 23.8803013’ E
2D 33° 37.4629013’ S 115° 23.8785488’ E
2E 33° 37.4599606’ S 115° 23.6101875’ E
2F 33° 37.4885671’ S 115° 23.5630877’ E

Recovery date: January 2025

Mariners are advised to use caution when transiting the area and keep well clear of the above operations.
Chart reference: WA966 - Cape Naturaliste
Location: -33:37.7307'S  115:23.4068'E
Start date: 29/07/2024
End date: 10/01/2025
Issued: 12/07/2024
Notice number: 6124

 Advice:  1 x Acoustic Receiver – The Cut, Bunbury

Mariners are advised that 1 x Acoustic receiver will be deployed on Wednesday 27 March 2024 at the entrance of Leschenault Estuary, The Cut, Bunbury at approximately 33° 18.273’S, 115° 40.594’E.

The above acoustic receiver will be attached to a concrete block set with a steel rod approximately 50 cm from the seabed. (0.8m W x 0.8m L x 0.2m H – concrete, 0.3m H – steel).

Provisional recovery date: September 2026

No vessel is to moor to or interfere with the above receiver at any time.
Chart reference: WA859 - Bunbury to Port Geographe
Location: -33: 18.273'S  115: 40.594'E
Start date: 27/03/2024
End date: 30/09/2026
Issued: 27/03/2024
Notice number: 6017

 Advice:  Deployment of Directional Wave Rider Buoy – Cape Naturaliste

A directional wave buoy (DWRB) has been deployed approximately 12 nautical miles west of Cape Naturaliste at the location below. The DWRB is yellow in colour, approximately 700mm in diameter, and equipped with a 2m whip antenna and flashing yellow light.

Flash rate: Fl (5) Y 20s

Mariners are requested to maintain a minimum distance of 100 meters from the DWRB, including any associated fishing equipment at all times so as to not interfere with or damage the DWRB.
Location: -33: 31.5330'S  114: 46.3320'E
Issued: 26/09/2023
Notice number: 5821

 Advice:  Deployment of Geographe Bay Wave Buoys

Mariners are advised that three wave buoys are scheduled to be deployed in Geographe Bay as follows:

Locations:

-33.5915S, 115.1165E (Dunsborough)
-33.6001S, 115.2499E (Abbey)
-33.628S, 115.338E (Busselton Jetty)


Deployment date: 08/09/2022
Provisional recovery date: 08/09/2024

The above wave buoys are yellow in colour, approximately 420mm in diameter, and equipped with a flashing yellow light.

Flash rate: Fl Y 2.5s

No vessel is to moor to, or interfere with, the above wave buoys at any time.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above wave buoys at all times.
Chart reference: WA966 - Cape Naturaliste
Location: -33: 34.9788'S  115: 12.7139'E
Start date: 08/09/2022
End date: 08/09/2026
Issued: 14/09/2022
Notice number: 2792

 Advice:  Mobile seagrass wrack, Port Geographe Harbour entrance channel

Mariners are advised that mobile seagrass wrack is present throughout 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 may be at risk of grounding when navigating through this area.
Chart reference: WA859 - Bunbury to Port Geographe
Location: -33: 37.7390'S  115: 23.3786'E
Start date: 25/07/2018
Issued: 25/07/2018
Notice number: 106

 Advice:  Closure of Marlston Waterfront Jetty (Dome Cafe), 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.
Chart reference: AUS115 - Approaches to Bunbury
Location: -33: 19.0820'S  115: 38.3934'E
Start date: 20/09/2018
Issued: 20/09/2018
Notice number: 128

 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: WA776 - Preston to Bunbury
Location: -33: 18.4085'S  115: 41.6319'E
Start date: 22/10/2021
Issued: 22/09/2021
Notice number: 133
Page last updated: Tue Feb 15 2022 11:28:24 AM