Mid West notices

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

 Advice:  Subsurface instrument Murchison River, Kalbarri

Mariners are advised that a subsurface water quality instrument will be deployed in the Murchison River, Kalbarri, approximately 200m north of the Kalbarri boat ramp, around 20 December 2021 for approximately 12 months.

The instrument will be attached to a frame on the seabed (specs: 120cm x 120cm) which protrudes approximately 66cm above the seabed and deployed in a minimum of 3.0m water depth at LAT (Lowest Astronomical Tide). The device will be marked with a yellow surface buoy fitted with a flashing yellow light.

Flash rate: Fl Y 4S

No vessel shall moor to or interfere with the above instrument and surface marker buoy at any time.

Mariners are advised to keep well clear of the above instrument when transiting the area.
Chart reference: WA976K - Kalbarri
Location: -27: 41.879'S  114: 10.072'E
Start date: 20/12/2021 12:00:00 AM
End date: 20/12/2022 12:00:00 AM
Issued: 16/12/2021 12:00:00 AM
Notice number: 2021 - 173
Page last updated: Tue Feb 15 2022 10:54:25 AM