Peel TNTM

View the Temporary Notices To Mariners in the Peel region.

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  Notice 2019-111: Algal accumulation - Entrance to Serpentine and Murray Rivers

Large amounts of algae has accumulated and caused shallowing at the entrance to the Serpentine and Murray River navigational channels, reducing charted depths at the entrance and upstream until areas of deeper water. The algae restricts water flow to engines causing blockages with loss of power and steering and the likelihood overheating.

  • Location: Extending from the estuary side at the entrances and into the deeper waters of the rivers.
  • Chart: Department of Transport Chart WA 848 Peel Inlet and Harvey Estuary 

Mariners are advised to navigate with caution when transiting the entrance to the Serpentine and Murray Rivers.

Mark Briant, Manager, Navigational Safety and Moorings, Marine Safety, Department of Transport.

  • Start date: 
  • End date: Until further notice
  • Issued: 23/09/2019.

  Notice 2019-92: Sunken vessel - Harvey Estuary

An 8.8 m timber cabin cruiser is partially sunk on Department of Transport mooring BO113 in the Harvey Estuary, Dawesville, approximately 230 m from the shore. A lit isolated danger mark has been placed on the vessel.

  • Location: 3237.611's, 115 38.645e'
  • Chart reference: Department of Transport chart WA848 Peel Inlet and Harvey Estuary

Mariners are advised to navigate with caution when transiting the area.

Mark Beal, Navigational Aids Coordinator, Navigational Safety, Marine Safety, Department of Transport.

  • Start date:
  • End date: Until further notice
  • Issued: 16/08/2019

  Notice 2019-78: Logs and debris in inland waters

Due to recent weather conditions, strong winds and heavy rainfall has caused fallen trees and debris to accumulate in various locations in the inland waters of the Swan and Canning, and Murray and Serpentine Rivers.

The logs and debris may present a hazard to navigate.

River users are advised to navigate with care and keep a lookout for semi submerged logs and debris.

Mark Beal, Navigational Aids Coordinator, Navigational Safety, Marine Safety, Department of Transport.

  • Issued: 28/06/2019.

  Notice 2019-76: Submerged rocks, Waroona Dam

Southeast sector of Waroona Dam/Lake Navarino, east of the camp ground

Mariners are advised that submerged rocks have been reported near the shore in the southeast sector of Waroona Dam/Lake Navarino, to the east of the camp ground in the vicinity of the following coordinate:

  • Location: 32 51.042'S, 115 59.990'E

Mariners are advised to navigate with caution when transiting in the vicinity of the above submerged rocks.

Mark Briant, Manager, Navigational Safety and Moorings, Marine Safety, Department of Transport.

  • Start date:
  • End date:
  • Issued: 25/06/2019

  Notice 2019-31: Blue Mussel Study, Peel Inlet and Harvey Estuary

Peel Inlet and Harvey Estuary

Mariners are advised that a series of submerged baskets have been temporarily deployed at numerous study sites in the Peel Inlet and Harvey Estuary, as part of a blue mussel study.

Each site contains 10 submerged baskets placed on the seabed, attached to a 10 metre long rope. The baskets are made of plastic, approximately 300 mm x 200 mm, and protrude approximately 100 mm from the seabed.

Each site is marked by unlit white surface buoys with blue and yellow stripes, approximately 200 mm in diameter.

  • Chart reference: Department of Transport Chart WA848 - Peel Inlet and Harvey Estuary.

No vessel is to interfere with the above surface buoys or submerged baskets at any time.

  • Recovery date: 31 December 2019.

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

Alicia McCarron, A/Manager, Navigational Safety and Moorings, Marine Safety, Department of Transport.

  • Start date: 13/02/2019.
  • End date: 31/12/2019.
  • Issued: 13/02/2019.

  Notice 2018-185: Shallowing reduced chart depth

Dredge spoil deposit, North of Yunderup Navigational Channel

A large deposit of dredge spoil has been placed North-West of the Yunderup Channel, North-West of Boodalan Island, Peel Inlet, reducing charted depths to as low as 0.5 metre (Mandurah chart datum).

A yellow special mark buoy is placed at:

  • Latitude 3235'18.'S, Longitude 11544'45'E, marks western of edge of the spoil bank.

Mariners are also advised to transit within the Yunderup navigational channel to avoid this affected area.

  • Location: North West of Yunderup navigational channel, North West of Boodalan Island.
  • Chart: DoT Chart WA848 Peel Inlet - WA913 - Cape Peron to Dawesville.

Mariners are advised to navigate with caution when transiting the area and remain within the navigable channel at all times.

Christopher J Mather, Director Waterways Safety Management, Department of Transport.

  • Start date: 07/12/2018.
  • End date: UFN.
  • Issued: 07/08/2018.
  • Updated 13/12/2018.

  Notice 2016-144: Caution, shallowing at Harvey Estuary, Peel Inlet

Harvey Estuary

Mariners are advised that shallowing has been reported at the entrance to the Harvey Estuary, approximately 150 metres East of the Dawesville Cut Southern rock groyne.

  • Chart Reference: Department of Transport Chart WA848 - Peel and Harvey.

Mariners are advised to navigate with caution when transiting this area.

Authorised by: Mark Briant, A/Director, Waterways Safety Management, Marine Safety Department of Transport.

  • Start date:
  • End date:
  • Issued: 19/12/2016.

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Page last updated: Mon Sep 23 2019 1:58:58 PM