Kealia Beach - surf spot statistics

Kealia Beach experiences consistent swell year-round, with primarily ground swell dominating in winter and more wind swell in summer. The best months for surfers are from November to February, when ground swell makes up 51-70% of the waves, mean swell sizes range from 2.1m to 2.2m, and wind conditions are relatively less unfavorable (though still mostly onshore). December stands out with the largest average swell size (2.2m) and decent ground swell influence (60%), despite only 15% of days having good winds. January follows closely with 70% ground swell and 2.1m waves, though wind conditions are poor 77% of the time. The summer months (May-September) see smaller swells (1.6-1.7m), dominated by wind swell (59-72%), and nearly constant bad winds (88-94%). While surfable waves are always present, the ideal balance of size, ground swell purity, and marginally better wind odds occurs in winter, particularly December-January, despite the prevalent onshore winds requiring patience for cleaner sessions. Spring and fall offer transitional conditions, with October-November providing a slight bump in ground swell and size compared to summer.

January at Kealia Beach offers solid surfing conditions with an average swell height of 2.1m and a long-period swell averaging 12.3s, which typically translates to powerful, well-formed waves. The dominant swell directions are NW and NNW, contributing the largest share of rideable waves, especially in the 1.5-2.5m range. These swells are clean and organized, ideal for intermediate to advanced surfers. Wind conditions are favorable 23% of the time, with offshore or light cross-shore winds, predominantly from the NE to E sectors. However, stronger onshore winds from ENE and NE can occasionally disrupt conditions. The spot handles larger swells well, but the frequency of waves over 2.5m is relatively low, keeping it manageable for most surfers. Overall, January is a reliable month with consistent NW energy, though wind variability means timing sessions around optimal wind windows is key for the best experience.