Whangapoua Beach - surf spot statistics

Whangapoua Beach in New Zealand primarily experiences wind swells throughout the year, with ground swells being relatively rare, peaking in January at 18%. The best months for surfers are those with consistent swell activity and favorable wind conditions. January stands out as the most promising month, offering the highest ground swell contribution (18%) and the largest mean swell size (1.0m). However, wind conditions remain challenging, with good winds occurring only 18% of the time. From February to April, swell consistency drops slightly, but April offers slightly better wind conditions (20% good winds). The winter months (May to August) see a marginal increase in swell size (0.7-0.8m), though wind conditions remain predominantly unfavorable (80-83% bad winds). September through December sees the lowest swell activity, with ground swells nearly absent and mean swell sizes dropping to 0.6m. Wind conditions worsen in these months, peaking at 85% bad winds in October. Overall, summer months (December-February) provide the best balance of swell presence and size, despite the frequent onshore winds. For surfers prioritizing size and consistency, January is the top choice, while April offers a slight improvement in wind conditions, though with smaller waves. The rest of the year is less reliable, particularly from September to November, when swell activity is weakest and winds are most problematic. Advanced surfers may still find opportunities, but beginners will struggle with the inconsistent and often choppy conditions.

December at Whangapoua Beach offers generally small but rideable conditions, with an average swell height of 0.6m and a decent period of 7.1s, making the waves somewhat organized despite their size. The swell direction is most favorable from the NE to NNE, where the majority of waves fall in the 0.5-1m range (6-9% frequency), with occasional bigger sets up to 1.5m. Smaller swells also come from the NW and NNW, but these are less consistent. Wind conditions are critical here—only 20% of the time is the wind ideal for surfing, as prevailing winds from the W to SW (10-30kph) often create choppy or cross-shore conditions. However, when lighter winds (0-10kph) coincide with NE swells, clean, surfable waves can be found, particularly in the morning before the breeze picks up. Expect mostly knee-to-waist-high waves, with occasional chest-high sets on the best days. It’s not a big-wave month, but suitable for longboarding or relaxed sessions when wind and swell align. Keep an eye out for those rare NE swell windows with light offshore winds for the best chances.