Conditions at Balangan in May
May: The Swell Builds and the Ocean Finds Its Rhythm
May is the gateway to Bali's core surf season, and the data reflect that upward shift. Average wave height climbs to 6.2ft (1.9m) while the period extends to 14.1s, with SSW (44.8%) and S (31.0%) swells leading the charge. The 1.5-2.5m (5-8.2ft) range accounts for the lion's share of the month, meaning Balangan's reefs are receiving a steady supply of powerful, long-period energy. The wind regime is even cleaner: ESE reaches 55.4% and E adds 17.5%, pushing ideal wind to 61%. Rain drops to a minimal 2.22 mm/day, and the water starts to cool slightly to 28.8°C. May is a fantastic month for consistent head-high-plus surf with mostly clean trade winds -- expect smooth, rippable conditions more often than not.
Average Spot conditions at Balangan in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Balangan during May. 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 Balangan for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Balangan for May. 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 Balangan.