Mid West notices

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

 Advice:  Maintenance Dredging, Fishing Boat Harbour, Geraldton Port

Mariners are advised that a Maintenance Dredging campaign is underway at the entrance of Fishing Boat Harbour (FBH), Port of Geraldton and will continue until end of November 2022. The dredge area is outlined in the enclosed chartlet.

Dredging operations will be conducted between 0600hrs 1800hrs from Monday to Saturday, and will involve the following vessels:
MUDLARK 1 Dredge vessel
AQUARIUS Workboat 1
WB08 Workboat 2

The floating and submerged pipeline sections (approx. 300 meters length) are connected to the dredge vessel at one end and to Berth 7 reclamation site at the other end. At night, the dredge will be illuminated, and the floating hose will have flashing orange light to denote its position.
The above vessels will maintain a listening watch on VHF Channel 11 and 16 during the site operational hours. A Securite message will be broadcast on VHF prior to critical activities.

Mariners should proceed with caution and at speeds of less than 5 knots when in the vicinity of the above vessels.

Additionally, vessels should not pass to the west of the RED line shown in the attached chartlet as there may be semi-submerged anchor cable in the area. Marker floats with flashing orange lights will be used to denote the position of the anchoring arrangement.
Chart reference: WA939 - Geraldton
Location: 28: 46.2615'S  114: 35.5646'E
Start date: 12/10/2022 12:00:00 AM
End date: 30/11/2022 12:00:00 AM
Issued: 19/10/2022 12:00:00 AM
Notice number: 3126

 Warning:  Weed hazard Jurien Bay Boat Harbour

Mariners are advised to use caution as there has been significant seaweed inundation occurring at the Jurien Bay Boat Harbour.

This weed build up may inhibit the safe navigation of vessels within and entering the harbour. Please use caution when transiting this boating facility, the weed build up is reported to be extreme in some parts of the harbour.
Chart reference: WA947 - Jurien
Location: -30: 17.28412'S  115: 2.5401'E
Start date: 5/08/2022 12:00:00 AM
Issued: 5/08/2022 12:00:00 AM

 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