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Kuta Reef - surf spot statistics
Kuta Reef seasonal overview
Best Surf Season (April - October)
The heart of the dry season brings a winning combination of steady southeast trade winds and consistent long-period groundswells from the Southern Ocean. During these months, offshore conditions dominate with winds from the E, ESE, and SE quadrant, grooming Kuta Reef's WNW-facing lineup into pristine shape. Swell heights average a solid 1.7 to 2.2 meters with periods regularly exceeding 13 seconds, delivering powerful, rippable waves. This is the prime window for epic sessions when the reef really comes alive.
Fair Surf Season (March & November)
These transitional months sit on the cusp of the monsoon shift. Winds blow more variably, mixing easterly offshores with westerly onshores. Swell quality remains decent—March sees long-period average of 13.3s and November 13.2s—but consistency drops. On calm mornings, clean lines still push through, but be ready for afternoon wind shifts that can flatten the shape.
Low Surf Season (December - February)
The heart of the wet season brings prevailing westerly and northwesterly winds that blow directly onshore at Kuta Reef, chopping up the wave face. Even though the reef still picks up solid 1.6-1.7m swell from the SW and SSW, periods remain in the 12-13s range, the relentless onshore flow makes for difficult, bumpy conditions. Only rare gaps in the monsoon with an easterly breeze offer clean windows—so patience and a keen eye on the forecast are essential.
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Conditions at Kuta Reef in October
October: Clean Transition
October offers the highest ideal wind percentage of the year at 80%, with dominant SE (27.2%), ESE (25.8%), and SSE (14.4%) flows. Swell averages 1.8m with a 13.8s period, largely from SSW (83.1%). The combination of ultra-clean offshores and long-period groundswell produces groomed, rippable waves across all tides. Though swell size drops, quality peaks. October is a standout month for surfers seeking perfection over size.
Average Spot conditions at Kuta Reef in October
Swell history for October
Wind history for October
Swell quality
Analyze the groundswell consistency at Kuta Reef during October. 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 Kuta Reef for your next trip in October.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Kuta Reef for October. 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 Kuta Reef.