Perth notices

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

 Event:  Closure of Waters, Electric Garden Concert Pyrotechnics Display, Cottesloe Groyne

Acting 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 9:55 PM to 10:30 PM on Saturday 6th April 2024 and 7:55 PM to 8:30 PM on Sunday 7th April 2024.

Cottesloe Groyne:
Area of Closure: - All the waters within a 100 metre radius of the firing point located at approximatley 31° 59.799’S, 115° 44.980’E.

Conditions of closure;

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

Bonafide vessels associated with the fireworks display are exempt from the closure;

Swimming is also not permitted in the above area of closure.

This area is set aside for safety measures during the set up and display of pyrotechnics.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: - 31: 59.799'S  115: 44.980'E
Start date: 05/04/2024
End date: 08/04/2024
Notice number: 5989

 Advice:  Installation of 2 Directional Wave Rider Buoy’s – Jurien Bay

Mariners advised that 2 Directional Wave Rider Buoys (DWRB) are scheduled to be deployed approximately 4 NM and 2 NM West of Boullanger Island at the following locations;

30° 18.900'S 114° 55.356'E
30° 18.900'S 114° 57.678'E

The Yellow DWRB’s are equipped with a flashing yellow light.

Flash Rate: Fl Y 2.5s

The DWRB’s are attached by a 10m umbilical line to an orange surface float and are secured to the seabed with a clump weight.

Mariners are advised to navigate with caution and keep well clear of monitoring device.
Chart reference: WA947 - Jurien
Location: 30: 18.86092'S  114: 56.84245'E
Start date: 18/01/2024
End date: 31/12/2026
Issued: 18/01/2024
Notice number: 5964

 Advice:  Install Underwater Monitoring Camera With Telemetry Float – Mindarie

Mariners advised that a telemetry float equipped with a monitoring camera will be deployed at the below location:

The Surface float is approximately 530x550mm and sliver in colour.
The Float is fitted with an antenna and Yellow Flashing light.

Float will be attached via 26 metre underwater umbilical cable to a Subsea Mounting Base

Mariners are advised to navigate with caution and keep well clear of monitoring device

Location: Mindarie -31°40.86500 115°38.65700
Chart reference: WA986 - Quinns Rocks
Location: -31: 40.8680'S  115: 38.6700'E
Start date: 18/01/2024
End date: 30/04/2024
Issued: 18/01/2024
Notice number: 5961

 Advice:  Maintenance and Repair Works - Defence Cadet Jetty HMAS Leeuwin

Advice - Maintenance and Repair Works - Defence Cadet Jetty HMAS Leeuwin

Description: Mariners are advised that maintenance and repair works on the Defence Cadet Jetty at HMAS Leeuwin will commence 1st Feb 2024 and is expected to be completed around June 2024.
Works will take place Monday to Friday during daylight hours.

Personnel will be working from small work vessels with diving operations below the jetty. The international code Flag A will be exhibited during dive operations.

Lit - yellow special marker buoys will be installed to demarcate the work area and access to the jetty will be closed at all times.

Operators will monitor Marine VHF Channel 16 during working hours.

Mariners are advised to navigate with caution when transiting the area and to be wake-aware.
Chart reference: WA898 - Swan and Canning Rivers
Location: -32: 01.5638'S  115: 46.0891'E
Start date: 01/02/2024
End date: 30/06/2024
Issued: 17/01/2024
Notice number: 5959

 Advice:  Underwater Monitoring Camera and Surface Telemetry Float – Stragglers Rock

Advice – Installation of Underwater Monitoring Camera and Surface Telemetry Float – Stragglers Rock 13 January 2024 – 31 April 2024.

Description: Mariners advised that an Underwater Monitoring Camera and Surface Telemetry Float. will be deployed, approximately 0.5 nautical miles west of Stragglers Rock at the below location.

The Surface float is approximately 530x550mm and sliver in colour. The Float is fitted with an antenna and Yellow Flashing light.

Float will be attached via 26 metre underwater umbilical cable to a Subsea Mounting Base
Mariners are advised to navigate with caution and keep well clear of monitoring device.

Location: Stragglers Rock -31°3.88600, 115°37.45600
Chart reference: Aus117 - Australia - West Coast - Western Australia - Gage Roads and Cockburn Sound
Chart reference: AUS117 - Gage Roads and Cockburn Sound
Location: -31: 03.8860'S  115: 37.4560'E
Start date: 15/01/2024
End date: 30/04/2024
Issued: 17/01/2024
Notice number: 5957

 Advice:  Geophysical and Geotechnical Survey Works– Offshore Perth

Advice –Geophysical and Geotechnical Survey Works – Offshore Perth

Description: Mariners are advised that hydrographic and geophysical survey operations are scheduled to take place offshore from Perth, between Hillarys and Rockingham out to the 1000m water depth contour.
Survey will be conducted from the MV Samson Explorer a 35m x 13.2m blue and white catamaran from approximately 22nd January to 22nd February 2024. Operations will take place 24 hours a day, 7 days a week.

The survey area is bounded by the following coordinates:

NW - 31°44'29.20"S, 115°14'37.75"E
NE - 31°48'54.64"S, 115°43'46.93"E

SW - 32°11'32.89"S, 115°11'39.98"E
SE - 32°16'14.00"S, 115°40'15.44"E

The vessel will be towing survey equipment and at times will be static for up to one hour for sampling operations. All vessels taking part in these works will exhibit shapes and lights in accordance with the Prevention of collisions at Sea Regulations 1983 at all times.

Operators will monitor Marine VHF Channel 16 during operating hours

Vessels are advised to navigate with caution when transiting the area and keep well clear of the above operations.Underwater Monitoring Camera with Telemetry Float - Mindarie
Chart reference: AUS117 - Gage Roads and Cockburn Sound
Location: -32: 16.2333'S  115: 40.2573'E
Start date: 22/01/2024
End date: 22/02/2024
Issued: 10/01/2024
Notice number: 5952

 Advice:  Deployment of 3 x Directional Wave Buoy – Wanneroo Vicinity

Mariners are advised that three Directional Wave Buoy have been deployed in the below positions. 2 x are approximately 2km offshore from Quinns Beach vicinty and 1 x approximately 400m offshore from Yanchep Beach vicnity.

Location 1: 31° 39.6000'S, 115° 39.8760’E

Location 2: 31° 40.6260'S, 115° 40.2360’E

Location 3: 31° 33.2760'S, 115° 37.2960’E

The above lit directional wave buoys (Fl 2.5s) are predominantly yellow in colour with black panels with a surface height of approximately 150mm. The directional wave buoy will be attached to a lit yellow surface float (Fl 2.5s) approxmiately 20 metres from the wave buoy.

Provisional recovery date: The above directional wave buoy will be deployed as part of the as part of environmental monitoring of waves and temperatures by UWA and will be recovered around November 2024.
Chart reference: WA986 - Quinns Rocks
Location: -31: 39.6000'S  115: 39.8760'E
Start date: 01/11/2023
End date: 01/11/2024
Issued: 05/12/2023
Notice number: 5902

 Event:  Aquatic Event Notification, 2023/2024 Rottnest Channel Swim Association – Out of Event Crossings

Mariners are hereby advised that from 2 December 2023 to 30 April 2024 between 5AM and 5PM up to 20 swimmers, 10 support vessels and 20 support paddle craft will be taking part in the approved “2023/2024 Rottnest Channel Swim Association – Out of Event Crossings” commencing from either Leighton or Cottesloe and finishing at Natural Jetty, Rottnest Island. The crossings will take place on the first Saturday of each month providing that weather conditions are suitable. Alternate days due to weather for crossings may occur on the first Sunday of each month or the following Saturday until suitable weather permits safe crossing.

Mariners are advised to navigate with caution when transiting in these areas and keep a look out for swimmers and support craft.
Chart reference: AUS112 - Approaches to Fremantle
Location: -32: 0.978'S  115: 38.658'E
Start date: 01/12/2023
End date: 30/04/2024
Issued: 01/12/2023
Notice number: 5897

 Advice:  Deployment of Directional Wave Buoy – Offshore Cottesloe

A directional wave buoy (DWRB) has been deployed approximately 3.4 nautical miles offshore from Cottesloe, 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 5s

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.
Chart reference: AUS112 - Approaches to Fremantle
Location: -31: 58.680'S  115: 41.220'E
Issued: 15/11/2023
Notice number: 5873

 Warning:  Sorrento Shark Buoy Damaged and Unlit

The Sorrento shark monitoring buoy, located approximately 500m south of Hillarys Boat Harbour, is damaged and unlit. It is reported to have broken in half and is also missing it's light. Mariners are advised to navigate with caution when transiting the area
Chart reference: WA957 - Trigg
Location: -31: 49.88780'S  115: 44.30820'E
Start date: 03/11/2023
Issued: 03/11/2023
Notice number: 5860

 Advice:  Deployment of Directional Wave Rider Buoy – Offshore Rottnest Island

A directional wave buoy (DWRB) has been deployed approximately 6 nautical miles southwest of Rottnest Island, 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: -32: 5.64924'S  115: 24.46734'E
Issued: 26/09/2023
Notice number: 5819

 Warning:  Grounded Vessel – Kwinana Beach

A vessel ‘Solar Wind’ (registration: AU944), being a 13.58m steel yacht is reported to be grounded at Kwinana Beach, approximately 50m south of Kwinana Bulk Jetty. The vessel and vessel debris may come adrift in prevailing conditions.
Chart reference: WA913 - Cape Peron to Dawesville
Location: -32: 14.533'S  115: 45.551'E
Start date: 06/09/2023
Issued: 06/09/2023
Notice number: 5802

 Advice:  Breakwater construction and reclamation works, Ocean Reef Marina

Mariners are advised that works to construct two new breakwater groynes at Ocean Reef Marina commenced in mid-April 2021 and were completed August 2023.

Works on the dredging and reclamation commenced in September 2022 and are ongoing. Dredging operations will take place in waters enclosed within a silt curtain located in an alignment from the northern end of the boat ramp to the head of the northern breakwater. The silt curtain will be marked by red flashing lights spaced at approximately 100m intervals.

If mariners need to contact the dredge vessel during operating hours, they are requested to contact the operators who will be monitoring the following radio frequencies:
VHF Channel 16 & 74

Land based operators will also monitor Marine Radio VHF Channel 16 during operating hours.

Pursuant to section 66 of the Western Australian Marine Act 1982, I hereby vary notice 2021-44 relating to the closure of waters published on the Departments Temporary Notice to Mariners website @ https://www.transport.wa.gov.au/imarine/perth-notices.asp on 12 September 2022 and close the waters enclosed within the above silt curtain to all vessels other than vessels associated with the above works.

In addition, mariners are advised to use caution when transiting the area and keep well clear of the above operations at all times and note.

• All waters of the Ocean Reef Marina are closed to windsurfing, Kitesurfing and winging activities
• Swimming is prohibited within the above silt curtain.


Kathryn Davies, A/Navigational Safety Manager and authorised person,
Department of Transport.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -31: 45.496'S  115: 43.422'E
Start date: 15/04/2021
End date: 29/03/2024
Issued: 16/08/2023
Notice number: 5792

 Warning:  Semi-submerged fixed metal pole, Shoalwater Islands Marine Park

Mariners are advised that a Semi-submerged fixed metal pole has been reported to be in Shoalwater Marine Park in Rockingham at the below location. The pole may be visible at low tide and is unmarked.

Mariners are advised to exercise caution when transiting the area.
Location: -32: 17.43420'S  115: 41.82360'E
Start date: 14/07/2023
Issued: 14/07/2023
Notice number: 5756

 Advice:  Deployment of Oceanographic Instruments - CY O'Connor Beach Vicinity

Mariners are advised that eleven subsurface oceanographic instruments have been deployed in the CY O'Connor Beach vicinity as follows:

Locations:

1) - 32° 4.930’S, 115° 45.053’E
2) - 32° 4.938'S, 115° 45.978'E
3) - 32° 4.718'S, 115° 44.513'E
4) - 32° 4.933'S, 115° 44.022'E
5) - 32° 4.997'S, 115° 45.058'E
6) - 32° 4.946'S, 115° 45.055'E
7) - 32° 4.815'S, 115° 45.053'E
8) - 32° 4.936'S, 115° 45.001'E
9) - 32° 4.962'S, 115° 45.057'E
10) - 32° 4.913'S, 115° 45.051'E
11) - 32° 4.878'S, 115° 45.052'E

The above oceanographic instruments are mounted on the seafloor with a clearance of approximately 1.2 metres to the surface of the water at LAT (Lowest Astronomical Tide).
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -32: 04.8790'S  115: 44.7620'E
Start date: 29/05/2023
End date: 15/12/2023
Issued: 29/05/2023
Notice number: 5703

 Warning:  Submerged Float in Mangles Bay, Rockingham

Mariners are advised that there is a submerged float in Mangles Bay in Rockingham at the below location.

Mariners are advised to exercise caution when transiting the area.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -32: 16.097'S  115: 42.343'E
Start date: 22/03/2023
Issued: 22/03/2023
Notice number: 5616

 Advice:  Deployment of seabed instruments - Port Beach vicinity

Mariners are advised that two seabed instruments have been deployed in the Port Beach vicinity as follows:

Location: 32: 1.854S, 115: 44.651E

Deployment date:22/02/2023
Recovery date: 01/03/2024

The above seabed instruments are mounted onto jetted pipes which protrude approximately 1.5m above the seabed.
Chart reference: WA898 - Swan and Canning Rivers
Location: -32: 1.854'S  115:44.651'E
Start date: 22/02/2023
End date: 01/03/2024
Issued: 23/02/2023
Notice number: 5578

 Advice:  Fremantle Seaweed Aquaculture Site Installation - Port Coogee

Mariners are advised that a new Aquaculture Farm is currently being installed in the waters north of the Port Coogee Marina.

This will involve the laying of multiple surface lines and floats within the farm lease boundary in long-line formation.

This area is marked by lit Yellow Special Markers at the extremity of the lease area.

Location of marker buoys:

32: 05.193S, 115: 45.007E
32: 05.141S, 115: 45.171E
32: 05.782S, 115: 45.420E
32: 05.819S, 115: 45.271E

Flash rate: Fl Y 3s

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above aquaculture site
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -32: 5.48231'S  115: 45.18195'E
Start date: 15/02/2023
Issued: 15/02/2023
Notice number: 5569

 Advice:  Jetty Works – Hillarys Boat Harbour

Mariners are advised that jetty works at Hillarys Boat Harbour commenced on 9 January 2023 and are expected to be completed in March 2024.

The works, including piling operations, will be conducted Monday to Friday between 7am and 6pm using various propelled and non-propelled barges and support vessels as required. The barges will transit throughout the marina from the laydown area inside the northern breakwater.

These works will take place in a staged approach at multiple jetties concurrently, and include demolition of existing jetties and construction of new replacement floating jetties A, E, F, G, H and J. Each respective works area will be closed whilst works are in progress

The works are divided into six stages as follows:

• Stage 1: Demolition and construction of Jetty A Fingers & Jetty A Walkway (from 23/01/23 – 15/06/23).
• Stage 2: Demolition of existing Jetty A Walkway between Jetty E and Jetty D (from 22/02/23 to 04/10/23)
• Stage 3: Demolition of Old Jetty J/H & construction of Jetty E/J (from 13/03/23 to 04/10/23).
• Stage 4:
o Demolition/Construction of Old Jetty F & New Jetty F (start on 02/10/23 – 27/11/23)
o Concrete panels between Jetty D and Jetty C (23/10/23 – 30/10/23)
• Stage 5: Demolition/Construction of Old Jetty G & New Jetty H/G/F (start on 30/10/23 – 20/02//24).
• Stage 6: Demolition of existing Jetty A Walkway
o Concrete panels between Jetty B and B0 (from 14/12/23 to 15/03/24).

Each works area will be delineated by yellow buoys, approximately one metre in height and equipped with flashing yellow lights.

These works will impact vessel traffic entering and transiting within the marina. However, fairways and access to all existing jetties and the boat ramp within the marina will be maintained at all times where possible.

Please refer to the link below for a diagram of the works:

Diving operations will also take place during these works. The International Code Flag ‘A’ will be exhibited whilst diving operations are underway.

All vessels taking part in these works will display shapes and lights in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times. Operators will monitor Marine VHF Channel16 during operating hours. For further information please contact site supervisor David on 0417 929 153.

Mariners are advised to navigate with caution when transiting inside Hillarys Boat Harbour during these works and keep well clear of the above operations.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -31: 49.469'S  115: 44.209'E
Start date: 23/01/2023
End date: 20/03/2024
Issued: 03/01/2023
Notice number: 5508

 Advice:  Bent Street Boat Ramp inner Port and Starboard buoys removed

Mariners are advised that due to shifting sands associated with Tern Island at the Bent Street Boat Ramp, the 4 inner Port and Starboard Buoys 3, 4, 5 & 6 have been removed from this area to avoid being inundated by sand.

The outer set of Port and Starboard buoys 1 & 2 will remain as charted.

Mariners are advised to exercise caution whilst navigating through this area and should not rely solely on the two (2) lit navigational buoys outside of Tern Island for safe navigation past any sand hazard or shallow water to the boat ramp.
Chart reference: WA913 - Cape Peron to Dawesville
Location: -32: 18.5473'S  115: 43.1609'E
Start date: 25/11/2022
Issued: 25/11/2022
Notice number: 5457

 Advice:  Deployment of Sub Surface Mooring Lines - Offshore Alkimos Vicinity

Mariners are advised that subsurface mooring lines for environmental monitoring have been deployed in the offshore Alkimos vicinity as follows:

Locations:

31° 42.3882'S, 115° 38.9472'E
31° 42.3218'S, 115° 38.9203'E
31° 38.1459'S, 115° 38.0995'E
31° 38.0906'S, 115° 38.0465'E
31° 34.3645'S, 115° 35.6441'E
31° 34.3042'S, 115° 35.5811'E

Each of the above mooring lines is attached to a subsurface float with a 4m clearance to the surface of the water at LAT (Lowest Astronomical Tide), with a logger and a clump weight on the seabed

Mariners are advised to exercise caution when transiting the area and keep well clear of the above subsurface mooring lines.
Chart reference: WA986 - Quinns Rocks
Location: -31: 42.388'S  115: 38.947'E
Start date: 22/11/2022
End date: 22/11/2024
Issued: 24/11/2022
Notice number: 5456

 Warning:  Bent St Channel (Safety Bay) Encroaching Sandbar

Mariners are advised that the entrance channel to Bent St Boat Ramp (Safety Bay) is subject from time to time by the encroaching Tern Island sand bar.

The Bent Street boat ramp is currently open however, mariners are advised to exercise caution whilst navigating through this area and should not rely solely on the two (2) lit navigational buoys outside of Tern Island for safe navigation past any sand hazard or shallow water to the boat ramp.

Skippers are reminded to keep a proper lookout and safe speed at all times.

Alternative boat ramps can be accessed at Palm Beach, Point Peron and Port Kennedy (Southern Warnbro Sound)
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -32: 18.593'S  115: 43.125'E
Start date: 12/07/2022
Issued: 12/07/2022
Notice number: 1897

 Advice:  Deployment of LIDAR buoys, offshore Trigg vicinity

Mariners are advised that LIDAR (Light Detection and Ranging) buoys will be deployed intermittently in the offshore Trigg vicinity, approximately 1.5 nautical miles west of Trigg beach at the following locations:

LIDAR buoy location 1: 31° 52.696'S, 115° 43.113'E
LIDAR buoy location 2: 31° 52.594'S, 115° 43.121'E
LIDAR buoy location 3: 31° 52.532'S, 115° 43.318E

LIDAR buoys are circular buoys with side mounted solar panels and wind generators extended on top. They are yellow and black in colour, approximately 4.5m in diameter and 4m in height, and equipped with flashing yellow light.

Flash rate: Q(5) Y 20s

LIDAR buoys will be deployed periodically at the above locations until around 31 December 2024.

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

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above buoys.
Chart reference: WA957 - Trigg
Location: -31: 52.696'S  115: 43.113'E
Start date: 23/06/2020
End date: 31/12/2024
Issued: 23/06/2020
Notice number: 2020-66

 Advice:  Installation of submerged Light Logger Moorings, Offshore Ocean Reef

Mariners are advised that six (6) submerged light logger moorings have been deployed in the offshore Ocean Reef in mid-March 2021 at the following locations:

Location 1: 31° 45.705’S , 115° 43.337’E
Location 2: 31° 45.498’S , 115° 43.252’E
Location 3: 31° 45.071’S , 115° 43.477’E
Location 4: 31° 43.981’S , 115° 43.072’E
Location 5: 31° 44.184’S , 115° 43.042’E
Location 6: 31° 44.600’S , 115° 43.169’E

The above moorings will be submerged (1m at LAT) and are equipped with subsurface buoys, which are predominantly white in colour, approximately 0.2m in diameter.

Recovery date: 31/12/2023

Mariners are advised to navigate with caution when transiting the above area and keep well clear of the above light loggers at all times.
Chart reference: WA986 - Quinns Rocks
Location: -31: 44.600'S  115: 43.169'E
Start date: 12/03/2021
End date: 30/06/2024
Issued: 14/04/2021
Notice number: 2021 - 42
Page last updated: Tue Feb 15 2022 11:17:08 AM