13th Beach - surf spot statistics

13th Beach in Australia offers consistent swell year-round, with ground swell dominating (80-94% of days) and minimal wind swell interference. The best months for surfers are typically from March to October, when ground swell probability peaks (88-94%) and average swell size increases slightly to 1.3-1.4m. Wind conditions, however, remain challenging, with bad onshore winds prevalent (69-78% of days). The most favorable wind windows appear in autumn and winter (April to September), where good offshore winds reach 26-31%—still not ideal but better than summer. May stands out with 93% ground swell and 31% good wind days, making it one of the more reliable months despite the persistent wind issues. Summer (December-February) is less consistent, with smaller swells (1.2m) and the worst wind conditions (83% bad). While 13th Beach rarely has flat spells (0-2% no-swell days), surfers should prioritize sessions during autumn and winter for cleaner, more powerful waves, accepting that wind quality remains a limiting factor.

June at 13th Beach offers relatively consistent surf conditions with an average swell height of 1.3m and a solid period of 13.4s, providing good energy for quality waves. The swell direction is predominantly from the SW to SSW, which is favorable for this spot, with the highest frequency of rideable waves (1-2.5m) coming from these directions. Smaller swells (0.5-1.5m) from the S and SE also contribute, but the best power and shape are likely when swell angles from the SW/SSW, especially in the 1.5-2.5m range. Wind conditions are a mixed bag—only 29% of the time is the wind ideal, typically light offshore (E to NE) or light cross-shore (W to NW). However, moderate to strong onshore winds (W to S) are common, particularly in the 10-30kph range, which can create choppy conditions. Surfers should target early mornings when winds are lighter or days with favorable offshore flow. Overall, June delivers decent surf opportunities, but wind quality will be the limiting factor for clean sessions.