Wewak - surf spot statistics

Wewak, Papua New Guinea, offers surfable conditions year-round, but the best months for quality waves and favorable winds are December through February, with a secondary window in November and March. During these months, ground swell frequency peaks (30-41%), and wind swell remains consistent (41-55%), ensuring rideable waves. The mean swell size hovers around 0.7m—small but sufficient for beginners and intermediates. Wind conditions are relatively better in these months, with 33-34% good wind days, though onshore winds still dominate (66-67%). From April to October, surf potential drops significantly due to a steep decline in ground swell (1-22%) and persistently poor wind conditions (79-93%). Swell size also diminishes to 0.5-0.6m, making sessions unreliable. May through September are particularly weak, with ground swell nearly absent (1-10%) and strong unfavorable winds (90-93%). October marks a transition as ground swell begins to rebuild (22%) but remains hampered by poor winds (90%). For the most consistent surf, target the wet season (December-February) when swell energy, frequency, and marginal wind improvements align best. However, even in peak months, expect frequent onshore winds and smaller waves—ideal for relaxed surfing rather than high-performance conditions.

In March, Wewak offers relatively small but consistent surf with an average swell height of 0.7m and a decent period of 9.8s, indicating well-formed waves despite their modest size. The primary swell direction is from the NNE (34.85% in the 0.5-1m range), with secondary contributions from NNW and NW, which occasionally bring slightly larger waves (1.5-2m). Wind conditions are less favorable for surfing, with only 28% of the time offering ideal offshore or light cross-shore winds (mostly from the W to NNW). However, stronger onshore winds (WNW and NW directions at 20-40kph) are frequent, which can disrupt wave quality. Surfers should target early morning sessions when winds are lighter, and focus on days when NNE swells align with lighter winds for the cleanest conditions. Overall, expect small but rideable waves with occasional mid-range days, though wind interference limits consistency.