Surf forecastStatisticsHistorical report

Newport seasonal overview

Best Surf Season (April - September)

The autumn and winter months transform Newport into a consistent, high-quality surf destination. As the Southern Ocean roars to life, a steady stream of SE to S groundswells march up the coast, delivering average wave heights of 1.3-1.4m with periods frequently pushing 9.5 seconds. More importantly, the synoptic pattern shifts to favour strong westerly winds (WSW, W, WNW, NW) that blow directly offshore at this east-southeast facing beach. With ideal wind occurring over 33-43% of the time, the lines are clean, the faces smooth, and the waves punchy and rippable. This is the windows when Newport truly shines.

Fair Surf Season (March & October)

These transitional months offer a mixed bag of conditions. In March, the tail end of summer east swell still provides rideable waves, but the wind is still onshore too often (ideal only 22%). October sees the first stirrings of winter swell, but the trade wind influence hasn't fully retreated, keeping the quality inconsistent. Still, on the right day when a westerly wind change coincides with a long-period groundswell, Newport can deliver memorable sessions.

Low Surf Season (November - February)

The height of the Australian summer is the toughest period for surfers at Newport. The dominant NE trade winds blow directly onshore (ENE, E, ESE, SE) nearly 40-50% of the time, creating bumpy, choppy conditions and short-period windswell. The average wave period drops to 8.1-8.6 seconds, and the surf is often small (1.3m on average) and messy. Only a rare tropical cyclone swell or a strong southerly buster can briefly align the elements, but overall, it's a time to sit out or seek shelter elsewhere.

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Conditions at Newport in September

September: Spring Transition

September signals the transition out of winter. The average swell height is 1.3m at 8.9s, and ideal wind drops to 36%. Swell directions begin to shift back eastward, with SSE (20.8%), S (13.6%), and SE (13.7%) still dominant, but ENE (11.4%) and E (10.7%) starting to creep back in. The wind pattern shows a slight increase in NE and N winds, meaning the onshore influence is returning. However, the westerly flows are still strong enough to deliver many clean days. Surf size is moderate but can be fun when a trailing cold front swings through. September is a month of opportunity – less consistent than peak winter but still offering quality sessions between weather systems.

Average Spot conditions at Newport in September

Swell history for September

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for September

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Newport during September. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Newport for your next trip in September.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Newport for September. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Newport.

Swell with good wind

Swell with good wind by size