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View navigational warnings, event notices and Temporary Notices To Mariners for the Perth region.
Advice: Closure and Demolition of Boat Ramps 5,6,7 and 8, Ocean Reef Marina, WA.
Mariners are advised that Boat Ramps 5,6,7 & 8 at the Ocean Reef Marina will be permanently closed from 15 April 2024.
These works form part of the Ocean Reef Marina Project.
The work is divided into four stages, which are as follows:
• Stage 1: Close Boat Ramps 5,6,7 & 8
• Stage 2: Install silt curtain and marker buoys to delineate work area.
• Stage 3: Demolition and removal of boat ramps 5,6,7 & 8
• Stage 4: Construction of new boat ramps
The works area will be delineated by yellow buoys placed along the length of the silt curtain at 30m intervals. Flashing yellow lights visible to 1 nautical mile will be affixed to the buoys to alert mariners/users of the construction zone. Please refer below to a diagram of the works area.
These works will occur between 07:00 am and 07:00 pm Monday to Saturday.
An operator will monitor Marine Radio VHF Channel 16 during operating hours.
Acting pursuant to section 66 of the Western Australian Marine Act 1982, I Kathryn Davies, Authorised person on the Department of Transport, hereby cancel notice 5792 published on the 15 April 2021 and close the following area of water to all vessels.
Closure area:
All waters of Ocean Reef Boat Harbour bounded by the shore and lines commencing at 31° 45.698' S, 115° 43.671' E (corresponding to the start of Boat Ramp No. 4 Jetty); thence to 31° 45.715' S, 115° 43.636' E (in line with and 12 metres from the end of Boat Ramp No. 4 Jetty); 31° 45.700' S, 115° 43.567' E (approximately 110 metres west-north-westerly); thence to 31° 45.749' S, 115° 43.546' E (approximately 100 metres southerly on the Southern Breakwater).
Conditions of closure;
Bonafide vessels associated with the construction works and all Government vessels are exempt from the closure.
Mariners are advised to use caution when transiting the area and always keep well clear of the above operations when transiting to the boat ramps that remain open and note, all waters of the Ocean Reef Marina are closed to windsurfing, Kitesurfing, and winging activities.
Swimming and kayaking are prohibited within the above works area.
This notice is in effect as of 15 April 2024.
All coordinates based on GDA 2020.
These works form part of the Ocean Reef Marina Project.
The work is divided into four stages, which are as follows:
• Stage 1: Close Boat Ramps 5,6,7 & 8
• Stage 2: Install silt curtain and marker buoys to delineate work area.
• Stage 3: Demolition and removal of boat ramps 5,6,7 & 8
• Stage 4: Construction of new boat ramps
The works area will be delineated by yellow buoys placed along the length of the silt curtain at 30m intervals. Flashing yellow lights visible to 1 nautical mile will be affixed to the buoys to alert mariners/users of the construction zone. Please refer below to a diagram of the works area.
These works will occur between 07:00 am and 07:00 pm Monday to Saturday.
An operator will monitor Marine Radio VHF Channel 16 during operating hours.
Acting pursuant to section 66 of the Western Australian Marine Act 1982, I Kathryn Davies, Authorised person on the Department of Transport, hereby cancel notice 5792 published on the 15 April 2021 and close the following area of water to all vessels.
Closure area:
All waters of Ocean Reef Boat Harbour bounded by the shore and lines commencing at 31° 45.698' S, 115° 43.671' E (corresponding to the start of Boat Ramp No. 4 Jetty); thence to 31° 45.715' S, 115° 43.636' E (in line with and 12 metres from the end of Boat Ramp No. 4 Jetty); 31° 45.700' S, 115° 43.567' E (approximately 110 metres west-north-westerly); thence to 31° 45.749' S, 115° 43.546' E (approximately 100 metres southerly on the Southern Breakwater).
Conditions of closure;
Bonafide vessels associated with the construction works and all Government vessels are exempt from the closure.
Mariners are advised to use caution when transiting the area and always keep well clear of the above operations when transiting to the boat ramps that remain open and note, all waters of the Ocean Reef Marina are closed to windsurfing, Kitesurfing, and winging activities.
Swimming and kayaking are prohibited within the above works area.
This notice is in effect as of 15 April 2024.
All coordinates based on GDA 2020.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -31: 45.538'S 115: 43.476'E
Start date:
15/04/2024
End date:
17/12/2024
Issued:
04/04/2024
Notice number: 6024
PDF download434 KbAdvice: Advice – Marine Geotechnical and Geophysical Investigations - Alkimos
Mariners are advised that marine geotechnical drilling and geophysical seismic surveys at Alkimos will commence from Tuesday 2nd April 2024 and are expected to be completed by Friday, 31st May 2024.
Operations will take place during daylight hours at various locations located up to 3.5km offshore and within the general works area defined by the following coordinates:
North-East corner: 31°36'54"S 115°39'46"E
North-West corner: 31°38'16"S 115°36'39"E
South-West corner: 31°39'15"S 115°37'11"E
South-East corner: 31°37'23"S 115°39'52"E
Geotechnical drilling will take place from jack up barge ‘Ocean Driller 2’ with support tug and crew transfer vessel on site as required.
All vessels taking part in these works will exhibit shapes and lights in the accordance with the Prevention of Collisions at Sea Regulations 1983.at all times. Operators will monitor Marine VHF Channel 16.
Mariners are advised to navigate with caution when transiting the area and to maintain a minimum 100m exclusion zone around the barge at all times.
Operations will take place during daylight hours at various locations located up to 3.5km offshore and within the general works area defined by the following coordinates:
North-East corner: 31°36'54"S 115°39'46"E
North-West corner: 31°38'16"S 115°36'39"E
South-West corner: 31°39'15"S 115°37'11"E
South-East corner: 31°37'23"S 115°39'52"E
Geotechnical drilling will take place from jack up barge ‘Ocean Driller 2’ with support tug and crew transfer vessel on site as required.
All vessels taking part in these works will exhibit shapes and lights in the accordance with the Prevention of Collisions at Sea Regulations 1983.at all times. Operators will monitor Marine VHF Channel 16.
Mariners are advised to navigate with caution when transiting the area and to maintain a minimum 100m exclusion zone around the barge at all times.
Chart reference: WA986 - Quinns Rocks
Location: - 31: 37.8493'S 115: 37.8817'E
Start date:
02/04/2024
End date:
31/05/2024
Issued:
20/04/2024
Notice number: 6009
Advice: Deployment of 3x AWACs – Fremantle Fishing Boat Harbour and vicinity
Mariners are advised that 3x AWACs (acoustic wave and current profiler) are scheduled to be deployed at Fremantle Fishing Boat Harbour (FFBH) and vicinity at the following locations:
32: 3.850S, 115: 43.366E (approximately 1 nautical mile west of FFBH)
32: 3.850S, 115: 44.465 (approximately 5m seaward of the FFBH inner traffic separation marker)
32: 3.610S, 115: 44.801E (Fremantle Sardine Jetty)
Provisional deployment: 01/04/2024
Provisional recovery: 01/04/2025
Each of the above AWACs will be mounted on a seabed aluminium box frame (800mm (L) x 800mm (W) x 500mm (H)
No vessel is to interfere with the above AWACs at any time.
Mariners are advised to navigate with caution when transiting the area and keep well clear of the above AWACs at all times.
32: 3.850S, 115: 43.366E (approximately 1 nautical mile west of FFBH)
32: 3.850S, 115: 44.465 (approximately 5m seaward of the FFBH inner traffic separation marker)
32: 3.610S, 115: 44.801E (Fremantle Sardine Jetty)
Provisional deployment: 01/04/2024
Provisional recovery: 01/04/2025
Each of the above AWACs will be mounted on a seabed aluminium box frame (800mm (L) x 800mm (W) x 500mm (H)
No vessel is to interfere with the above AWACs at any time.
Mariners are advised to navigate with caution when transiting the area and keep well clear of the above AWACs at all times.
Chart reference: WA001 - Ocean Reef to Cape Peron
Location: -32: 3.850'S 115: 44.465'E
Start date:
13/03/2024
End date:
01/04/2025
Issued:
13/03/2024
Notice number: 5994
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.
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: 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.
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: 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.
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
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.
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.
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
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.
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
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.
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: 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
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: 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.
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.
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)
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.
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.
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