Tide times at Onkaparinga River Mouth

About Onkaparinga River Mouth

Where the Onkaparinga finishes its run from the Mount Lofty hills and pushes through the dunes at Port Noarlunga South, the river spreads into a shallow, tidal estuary of sand, mud and patchy seagrass.

Tide character & fortnight outlook

Today's tides at Onkaparinga River Mouth sit in the spring band — peak-to-trough range about 1.92 m (moon 100% illuminated).

Across the next 7 days at Onkaparinga River Mouth, the average peak-to-trough tide range is about 1.68 m. The biggest swing this week falls on Friday (~1.92 m).

Across the next fortnight, the biggest spring tides at Onkaparinga River Mouth peak around Friday 28 Aug at about 1.92 m (around the full moon), and the smallest neap tides fall around Saturday 5 Sep at about 0.77 m.

Best tide state to fish Onkaparinga River Mouth

As an estuary tucked behind dunes, it is well sheltered from swell and fishes in conditions that blow out the open coast. The tide is the deciding factor: the rising tide into the high is when the flats and walls fish, while dead low exposes mud and sandbars and slows everything down. A light wind with overcast, low-light conditions is ideal for bream on the surface and on plastics. The estuary discolours and rises after winter rain and environmental flows from upstream, which can switch the bream off for a few days — though it can also flush the system and trigger a feed once it settles.

What anglers target here

Anglers fishing Onkaparinga River Mouth typically time sessions around the tide for black bream, australian salmon, yelloweye mullet, mulloway (jewfish), and flathead.