Notices to Mariners & Nav Warnings
Fremantle Ports’ Notices to Mariners are for Masters of commercial shipping, pilots, recreational and private operators and other port users operating within our waters.
All Notices listed are active. For additional Notices to Mariners, navigational warnings (e.g. AUSCOAST and NAVAREA X) and other amendments that might affect the safety of navigation in areas within and outside of Fremantle Ports' waters, please see:
Navigation Warnings
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NAV WARN - 13 2025 - USV Operations from Rous Head.pdf 302 KB -
NAV WARN - 12 2025 - Cockburn Sound - Geotechnical Drilling.pdf 197 KB
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NAV-WARN - 11 2025 - Fremantle Ports - Whale Migration.pdf 162 KB
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NAV-WARN - 10 2025 - LONG PERIOD WAVE DATA COLLECTION Cockburn Sound.pdf 345 KB
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NAV WARN 04a 2025 - Scientific Experiment Equipment - Cockburn Sound.pdf 488 KB
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