Bombies - surf spot statistics

Bombies in Indonesia is a world-class reef break known for its powerful, barreling waves, and the data shows consistent swell year-round. The best months for surfing here are from April to September, when ground swell dominates (93–99%), ensuring clean, organized waves with minimal wind swell interference. During this period, mean swell size increases from 1.4m in April to a peak of 2.0m in August, offering ideal conditions for advanced surfers seeking bigger, more powerful waves. However, wind conditions deteriorate significantly from May onward, with bad onshore winds prevailing 77–98% of the time, particularly worst in August and September (98%). Despite poor winds, the swell consistency and size make it the prime window for experienced surfers willing to tolerate gusty conditions. The shoulder months like March and October still provide strong ground swell (93–96%) but with slightly better wind percentages (32% and 4% good winds, respectively). November to February sees smaller swells (1.4m) and higher wind swell influence (up to 18%), but better wind conditions (21–41% good winds) make these months more suitable for those prioritizing cleaner faces over raw power. Overall, the core season (May–September) delivers the heaviest and most consistent waves, while the off-season trades size for cleaner but smaller conditions.

March at Bombies brings consistent surf with an average swell height of 1.4m and a strong, clean period of 13.4s, indicating powerful, well-organized waves. The dominant swell direction is from the SSW (40.22% of waves in the 1-1.5m range, plus 15.18% at 1.5-2m), followed by SW, ensuring long, groomed lines with solid energy. While smaller days occur (3.56% SW at 0.5-1m), the majority of conditions are mid-sized, offering hollow, barreling waves when the swell aligns with the reef. Wind is a mixed bag—around 32% of the time it’s favorable (light ESE to SSW breezes under 20kph), but W to WNW winds (strongest in speed and frequency) can create onshore chop, particularly in the afternoons when gusts reach 20-30kph (up to 6.01% WNW). Expect peaky, overhead sets on good days, but monitor forecasts for wind shifts. Overall, March delivers quality waves for advanced surfers, though patience is needed for the cleanest sessions.