Waikiki Beach - surf spot statistics

Waikiki Beach is known for its relatively consistent surf, but the conditions vary throughout the year. The best months for surfing at Waikiki are generally from September through May, when ground swells dominate and swell size remains steady around 1.3-1.4m. Ground swells, which provide cleaner and more organized waves, are most prevalent from September (67%) to May (65%), peaking in September and May. Wind conditions, however, are less favorable overall, with only 9-21% of days offering good winds across the year—lowest in June (9%) and highest in January (21%). The worst wind conditions occur from April to August, when bad winds exceed 85% of the time. Swell consistency is excellent year-round, with no days registering as flat. December and November see a more balanced mix of ground and wind swells (50-51% ground swell), but winds remain predominantly onshore. For the best balance of swell quality and slightly better wind chances, target September, October, or May, when ground swell percentages are high (62-67%) and wind conditions are marginally better compared to summer months. Summer (June-August) tends to be the least favorable due to stronger onshore winds and a slight drop in ground swell dominance. While Waikiki is surfable year-round, the fall and early winter months offer the most reliable conditions for experienced surfers.

In April, Waikiki Beach offers generally mellow surf conditions with an average swell height of 1.4m and a solid period of 11.2s, providing some decent rides. The most consistent swells come from the ENE (22.5% of waves in the 1-2.5m range) and NE (15.3% in the same range), while SSW swells also contribute a notable portion (15% in the 0.5-2m range). The majority of waves (around 50%) fall in the 1-2m range, with approximately 30% smaller (0.5-1m) and 20% larger (1.5-2.5m). However, ideal wind conditions—light offshore or cross-offshore—occur only 13% of the time, primarily when winds are from the SSE to SW. ENE winds dominate (over 45% of days) but often blow in the 10-40kph range, which can create choppy conditions. Surfers can expect fun, beginner-friendly waves with occasional bigger sets, but wind interference is common, requiring patience for clean sessions. The spot works best when winds are light or from favorable directions, allowing the long-period swells to shape up nicely on the reef.