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On the northern side of Broken Bay between Box and Middle Head is a 3.5 km wide south-facing bay that extends 2.5 km north to the entrance to Brisbane Water, with Ocean-Umina beach (NSW 297) extending west of the entrance for 2.5 km (Fig. 4.179 & 4.180). The beach is the southern and seaward end of an 800 ha Holocene barrier system, which has prograded from Woy Woy south to the present beach, a distance of 3 km. The barrier is capped by a series of beach and foredune ridges, all of which are now covered by the houses, apart from the well-vegetated modern foredune, which backs the beach. The beach faces southeast, but is protected by three factors: its location inside Broken Bay, Box Head which extends 2.5 km out into the bay, and the large ebb tide delta of Brisbane Water which maintain shallow shoals extending out 1.5 km to Little Box Head off the eastern Ocean Beach end of the beach.
Beach Length: 2.6km
General Hazard Rating: 5/10

Patrolled Beach Flag Patrols

There are currently no services provided by Surf Life Saving Australia for this beach. Please take the time to browse the Surf Safety section of this website to learn more about staying safe when swimming at Australian beaches. Click here to visit general surf education information.


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SLSA provides this information as a guide only. Surf conditions are variable and therefore this information should not be relied upon as a substitute for observation of local conditions and an understanding of your abilities in the surf. SLSA reminds you to always swim between the red and yellow flags and never swim at unpatrolled beaches. SLSA takes all care and responsibility for any translation but it cannot guarantee that all translations will be accurate.