Navigational warnings

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

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

Follow marine safety notices on Twitter  Temporary Notices to Mariners (TNTM)

  20/01/2020: Murray River - lit marker 7 leaning over

Description: The port marker on the corner of the channel at the entrance to the Murray River/Peel Inlet, is leaning over and poses a hazard to navigation. An isolated danger mark has been attached to the pole.
Location: 32 34.6637S & 115 45.6601E
Chart: WA 848

  17/01/2020: Warnbro Sound sector beacon unlit

Description: the Warnbro Sound Sector Beacon is reported to be unlit
Location: 32 20.097'S, 115 41.853'E
Chart:  Department of Transport Chart WA913 Cape Peron to Dawesville

  06/01/2020: Submerged Hazard Entrance to Serpentine River

Description: A submerged hazard has been reported at the entrance to the Serpentine River, adjacent to the Serpentine River, port marker 1
Location: In the vicinity of 32 34.514'S, 115 45.505'E
Chart:  Department of Transport Chart WA848 Peel Inlet and Harvey Estuary

  24/12/2019: Murray River - Forrest Highway Bridge - Marker 21 Missing

Description: The starboard marker buoy on the up-river side of the Windich Bridge in the Murray River adjacent to Pinjarra Road is missing. Boaters are advised to taker care when navigating this section.


  08/11/2019: Unlit yacht turning buoy markers - Champion Bay, Geraldton

Ten yacht turning buoys have been deployed at Champion Bay, Geraldton at the following reported locations:

  1. 28 44.830'S, 114 36.484'E
  2. 28 45.101'S, 114 36.329'E
  3. 28 45.018'S, 114 36.583'E
  4. 28 45.078'S, 114 36.619'E
  5. 28 45.389'S, 114 36.400'E
  6. 28 45.568'S, 114 36.632'E
  7. 28 45.700'S, 114 36.264'E
  8. 28 46.147'S, 114 36.242'E
  9. 28 46.154'S, 114 36.319'E
  10. 28 46.340'S, 114 36.248'E

Mariners are advised to use caution within the vicinity of these markers and that they are unlit at night.

  • Location: Champion Bay, Geraldton
  • Chart: Department of Transport Chart WA939 Geraldton Harbour

  20/06/2019: Boiler Reef starboard/sector beacon flashing irregularly

The Boiler Reef starboard/sector beacon offshore from Jurien Bay, and to the north of Boullanger Island, is reported to be flashing with an irregular light character. It is reported to be flashing green followed by a yellow glow.

  • Location: 30 18.055'S, 114 59.699'E
  • Chart: Department of Transport Chart WA947 Jurien Bay

  Tweets by MarineSafetyWA

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

  About navigational warnings

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.


Page last updated: Mon Jan 20 2020 11:03:37 AM