Navigational warnings

View the current navigational warnings for Western Australian state coastal waters.

Navigational warnings are issued by the Department of Transport to advise mariners of Aids to Navigation outages and marine hazards that represent an immediate risk to mariners.

These warnings are broadcast on VHF and HF radio networks throughout the state by the WA Water Police on the following networks.

  • Perth Metro VHF: Warnings and weather are scheduled for broadcast at 4:18 am, 1:18 pm and 7:18 pm (Channel 67).
  • Coast Radio Perth HF: Warnings only are scheduled for broadcasts at 2:25 pm and 6:25 pm each day (Channel 8176).
  • Coast Radio Hedland HF: Warnings only are scheduled for broadcasts at 12:25 pm and 4:25 pm each day (Channel 8176).

Cancelled, withdrawn or expired navigational warnings are regularly removed.

For Temporary Notice to Mariners relating to events, works, activities and operations that may affect navigational safety please refer to Temporary Notices To Mariners (TNTMs).

Before undertaking any boating activities, mariners are advised to check appropriate TNTMs, navigational warnings, chart corrections and current weather information.

Follow marine safety notices on Twitter

Please subscribe to our MarineSafetyWA Twitter feed to receive regular updates on navigational warnings and Temporary Notices To Mariners (TNTM).

  20/11/2017: Sunken Vehicle in Swan River

A Nissan Patrol 4WD has rolled into the river and sunk in 5 metres of water approximately 20 metres downstream of 97 Fontleroy Ave, Ascot, on the other side of Bassendean Sandy Beach Reserve.

Boaters are urged to navigate with caution in this vicinity.



  17/11/2017: Damaged beacons in Yunderup Channel, Peel Inlet

The Yunderup channel marker Number 17 is currently unlit and an adjacent port beacon in the same channel has been hit and is leaning over.

Mariners are advised to navigate with caution in this area.

  15/11/2017: Foul Ground Marker Buoy, Port of Bunbury, missing

One of the foul ground marker buoys from near the heritage jetty in the Port of Bunbury is missing.

  • Chart: WA 859.

  07/11/2018: Waroona Dam, Lake Navarino, rock hazard

With dam water levels rising recently, some rocks that were visible are now submerged and present a hazard to boaters navigating in the 5 knot restricted area in the South East corner of the Waroona Dam.

Boaters are advised to avoid this area.

  • Location: 5 knot restricted area in the South East corner of Waroona Dam, in the waters adjacent to the Camp Ground.

  06/11/2017: Exmouth Gulf, flotsam rope in water

What is believed to be an old mooring line is floating in a fixed location in Exmouth Gulf. Mariners are advised to be mindful of interacting with the line.

  • Location: Approximately 330 m North East of the Learmonth Jetty with Coordinates 22 12.503'S, 114 06.107'E.
  • Chart: AUS 744.

  Tweets by MarineSafetyWA

Note: Some notices may have been removed since the Tweet was issued.


Page last updated: Mon Nov 20 2017 4:09:37 PM