Posties Surf Break

Lat Long: 38.06° S 140.76° E

Posties WaveFinder

Issued: 8 am 28 Aug 2026 (local time)

Forecast update in  hr  min

Today's Posties sea temperature is
14.4°C
0.7° 

Posties surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Posties surf forecast from 28 Aug 2026:

  • Best quality surf: Friday 4 Sep, 12PM (local time) - 20ft (6.0m), 15s period, SW swell with cross-shore winds.
  • Most powerful swell: Friday 4 Sep, 3PM (local time) - 21ft (6.5m), 15s period, SW swell with 17,534 kJ wave energy.
  • Next surfable swell (1★+): Saturday 29 Aug, 6AM (local time) - 8ft (2.5m), 14s period with SW swell.

Best Forecast Surf Conditions for Posties this week:

The surf forecast for Posties over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Saturday (Aug 29) at 6AM. The primary swell is predicted to be 2.5m and 14s period. The wind is predicted to be glassy as the swell arrives.

The most powerful waves expected at Posties in the next 16 days are 6.5m 15s and forecast to arrive on Friday (Sep 04) at 3PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 5s period and expected on Tuesday (Sep 01) at 6AM.

Wave TypeTime (ACST) & Date Wave Height & Period
Next good surf (1 star+) 6AM (Sat 29th Aug)8ft (2.5m) 14s
Best Surf12PM (Fri 4th Sep)20ft (6.0m) 15s
Most Powerful 3PM (Fri 4th Sep)21ft (6.5m) 15s

Table - best surf conditions forecast for Posties over the next 16 days.


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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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