Kuta - surf spot statistics

Best Surf Season (March – May)

The transition from the wet to the dry season brings Kuta’s most consistent combination of solid, long-period SSW groundswell and reliable offshore winds. With average wave heights hovering between 1.5 and 1.7m and periods often exceeding 13 seconds, the setup is ideal for rippable, powerful surf. The percentage of offshore wind (N, NNE, NE, ENE) peaks in April at 56% and remains high in March and May, meaning clean morning glass-offs are common. This is the window when the entire bay lines up with well-shaped, peeling waves that work from mid-tide through to high tide.

Fair Surf Season (June – August)

The southern hemisphere winter unleashes its strongest groundswell, with average heights pushing 2.0m and periods up to 14.4s. The swell is absolutely pumping—consistent, powerful, and often XL. However, the trade winds strengthen from the southeast (ESE, SE), blowing cross-shore and occasionally onshore, which degrades the surface quality. Ideal wind percentages drop to 20–36%, making it a gamble on wind direction. Early mornings and late afternoons can still deliver clean, heavy waves, especially when a ridge of high pressure nudges the wind toward the north. Expect some chop and current, but also adrenaline.

Low Surf Season (September – February)

This period is dominated by the monsoon transition and stronger onshore flow from the west and northwest. Swell energy remains moderate to good (1.5–1.9m, 12–14s), but the wind is frequently out of the W, WNW, or WSW—all onshore for Kuta’s SSW-facing beach. Ideal wind percentages bottom out at just 17% in September and October. While the Indian Ocean still produces long-period swells, the surface is often messy and choppy. The best chance for clean waves comes during rare southerly swell events coinciding with a brief northerly wind shift. Surf is rideable, but don’t expect perfection.

September: Swell Holding, Wind Still Onshore

September continues the winter pattern with an average swell of 1.9m and a 14.2s period. The swell direction is overwhelmingly SSW (78.3%), with a notable 26.9% of those waves in the 2–2.5m range. This is classic Kuta groundswell. However, ideal wind percentage remains low at 17%. The wind is primarily from the SE (47.6%) and ESE (28.8%), with significant amounts in the 20–30kph range (15% from SE). This keeps the surface messy for most of the day. Occasional shifts to the NNE or NE happen, but they are rare. The swell quality is high, but the wind continues to be the bottleneck. Look for windows where the southeast wind slackens or shifts north—these are the golden hours.