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, Busselton Jetty, Busselton
Area of closure; All the waters of Geographe Bay within 250 metres of the Busselton Jetty.
Providing however that all bonafide vessels associated with the approved “Busselton Jetty Swim 2023” event are exempt from the above closure;
Mariners are advised to navigate with caution and to keep well clear of the above area of closure while the event is taking place.
Warning: Floating rope and buoy adrift
The rope may not always be visible on the water surface.
Mariners are advised to navigate with caution when transiting the area
Advice: Marine Works - Australind Jetty Refurbishment
The works area will have silt curtains deployed in the water to indicate the work zones. This silt curtain will be marked by lit yellow special marker buoys.
Please navigate with caution and keep clear of the work zone areas during the refurbishment.
Warning: Submerged Object, Entrance to Leschenault Inlet, Bunbury
Mariners are advised to navigate with caution in the area.
Advice: Construction of Busselton Jetty Village, Busselton
The works will include under deck works at the Busselton Jetty and construction of new topside structures.
The works, will be conducted Monday to Friday (excluding public holidays) during daylight hours using jack up barge ‘TMC1’ (12m x 7m), jack up barge SMC3 (16.2m x 9.3m), workboats and land based equipment as required. Jetty construction components will be transported from a temporary laydown area at the Port Geographe Marina to the works area
The end of the jetty will be closed for use during these works
The works area will be delineated by yellow buoys, approximately one metre in height and equipped with flashing yellow lights. Unlit piles will be located within the confines of the works area.
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 regarding these works please contact works supervisor Jeff Offer on 0423 117 023
Mariners are advised to exercise caution when transiting inside the Port Geographe Marina, along the Busselton Jetty and on route between those locations during the above operations.
Advice: Dredging - Port Geographe
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 22m cutter suction dredge “Cooper II”, equipped with floating pipelines & submerged pipelines to a length of 1.2km. The floating pipeline will be marked with orange buoys which will display rhythmic flashing lights. The submerged pipe extending from the dredge area to the disposal area will be fitted with shorth lengths of rope fitted with small white floats. The dredge has no self-propulsion and uses anchors and spuds to move. The dredge and floating pipeline will remain in the area of operation after normal operating hours for the duration of the works.
The entrance to Port Geographe Marina at times may be reduced by two thirds of its width however, mariners may still pass by the dredge and associated apparatus. The works area and associated equipment will be bounded by yellow special markers equip with yellow flashing lights. floating signage will be installed either side of the restricted channels to advise vessels of a safe route to pass around the work areas.
At times boating traffic may be stopped and or escorted through the work areas by a works vessel.
The dredge will exhibit shapes and lights in accordance with the Prevention of collisions at Sea Regulations 1983.
If mariners are unsure of where to safely pass the dredge vessel, they are requested to contact the operators who will be monitoring the following radio frequencies:
VHF Channel 16 (emergency only) and working channel 81
Mariners are advised that offshore disposal is being undertaken for the maintenance dredging period. The offshore spoil area is demarcated by yellow surface buoys, approximately thirty (30 cm)
Advice: Environmental Monitoring Equipment - Port Geographe Vicinity
1. 33° 37.338'S, 115° 23.840'E
2. 33° 37.328'S, 115° 23.749'E
3. 33° 38.083'S, 115° 22.269'E
4. 33° 38.074'S, 115° 22.399'E
5. 33° 37.498'S, 115° 22.277'E
6. 33° 37.496'S, 115° 22.341'E
Each site will be marked with a yellow surface buoy approximately 20 metres from the monitoring equipment.
Each float will be approximately thirty (30 cm) in diameter, equipped with flashing yellow lights.
Advice: Deployment of Geographe Bay Wave Buoys
-33.5915S, 115.1165E (Dunsborough)
-33.6001S, 115.2499E (Abbey)
-33.627S, 115.338E (Busselton Jetty) (reported to be adrift 18/01/2023; last reported position: 33.233S, 115.326E)
Deployment date: 08/09/2022
Provisional recovery date: 08/09/2023
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.
Warning: Bunbury Port Starboard Marker No. 5 replaced by Temporary Starboard Buoy
The destroyed beacon at present is on the sea bed in the immediate vicinity. Minimum depth of water at LAT is approximately 10.5 meters to the west of the charted position.
Mariners are advised to navigate with caution in this area.
Advice: Hardy Inlet Augusta Port lateral mark missing
Advice: Mobile seagrass wrack, 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 may be at risk of grounding when navigating through this area.
Advice: Closure of Marlston Waterfront Jetty (Dome Cafe), Koombana Bay Bunbury
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.
Advice: Shallowing - Northern entrance to Pelican Point Canals, mouth of the Collie River, Bunbury
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