Uluwatu - surf spot statistics

Uluwatu, Bali, is a world-class reef break with consistent year-round swell, predominantly powered by ground swells (90%+ of the time). The best months for surfing here combine solid swell size with favorable wind conditions. From April to October, the swell is most reliable, peaking in June, July, and August with mean swell heights of 2.0–2.2m, ideal for advanced surfers. However, wind conditions vary significantly—April, September, October, and November offer the best balance, with good offshore winds occurring 51–76% of the time. October stands out as the prime month, with 74% good wind conditions and a solid 1.8m average swell. The dry season (May–September) brings bigger waves but often suffers from less ideal winds (only 21–31% favorable in peak swell months). Conversely, November and March provide decent swells (1.5m) and better wind setups, making them good alternatives. December to February sees slightly smaller swells (1.5–1.6m) and the worst wind conditions (78–79% onshore), though ground swells remain dominant. For the best all-around experience, target April, September, October, or November—when swell consistency, size, and wind align most favorably.

March at Uluwatu offers consistent surf with an average swell height of 1.5m and a solid 13.8s period, ensuring well-formed, powerful waves. The dominant swell direction is from the SSW and SW, with the majority of waves falling in the 1-2.5m range—ideal for advanced surfers wanting hollow, barreling sections. Notably, 31.5% of SSW swells are in the 1-1.5m range, while 31.3% hit 1.5-2m, providing ample punch. Wind conditions are favorable 44% of the time, with the most common offshore winds from the ENE to E, keeping surfaces clean. However, be mindful of W or WSW winds (10-30kph), which can occasionally create chop. Expect lighter mornings and moderate afternoon breezes, with the best sessions likely in early hours when winds are calmer. Overall, March delivers reliable, high-quality waves for experienced surfers, blending size, power, and decent wind windows.