About notices to mariners
Find out about chart corrections and temporary notices to mariners (TNTMs).
Temporary notices to mariners (TNTMs)
Temporary notices to mariners (TNTMs) are issued by the Department of Transport to advise mariners of events, works, activities and operations that may affect navigational safety in State and ports. These include:
- Marine works including construction, dredging and geotechnical surveys, or any other activities and operations that may hinder the safe navigation of vessels through a particular area
- Installation, alteration, relocation or removal of navigation aids
- Installation, relocation or removal of monitoring stations
- Aquatic events such as regattas and fireworks displays where boating is restricted
- Temporary closure of waters to navigation
- Navigational hazards including sub surface obstructions, shallowing and spoil ground.
Before undertaking any boating activities, mariners are advised to check appropriate TNTMs, chart corrections and current weather information.
These notices are published in the Public Notices section of The West Australian, and Early General News (EGN) of regional newspapers
Temporary notices are also distributed to various private, commercial, State & Federal authorities, including :
To view the online list of current TNTMs, please go to Temporary notices to mariners (TNTMs).
If you would like to receive Department-issued TNTMs for your region please email firstname.lastname@example.org.
For other information on environmental conditions in your region, please go to Coastal data and charts.
Notices issued by other agencies
The Australian Hydrographic Office is the Commonwealth authority responsible for producing the AUS series of charts and circulating Australian Notices to Mariners—which often reproduce information contained in WA Department of Transport Notices to Mariners.
Other agencies that issue Notices to Mariners and Navigational Warnings include: