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Conditions at Smiths Beach in September
September: Spring Transition, Still Plenty of Punch
September stands with one foot in winter and one in spring. Swell averages 8-9ft (2.6m) with a 13.2-second period, so there is no shortage of power. The directional spread remains SW/WSW-heavy, but the westerly and WNW inflow keeps the window to the northwest open. The storm track is still active, but the high pressure belt is beginning to reassert itself from the south.
Wind conditions improve slightly, with ideal offshore flow at 21 percent. The strongest W/NW gales become less persistent, and more frequent S/SW to SSW windows appear in the wake of fronts. Water temperatures bottom out at 17.5°C, making this the coldest month in the ocean. If you can handle the chill, September delivers some of the biggest and best-shaped swell of the year.
Average Spot conditions at Smiths Beach in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Smiths Beach 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 Smiths Beach for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Smiths Beach 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 Smiths Beach.