Little Wanganui - surf spot statistics

Little Wanganui on New Zealand’s South Island offers consistent year-round surf, with ground swells dominating (71-84%) and minimal wind swells or flat days. The best months for surfers are generally from May to September, when swell size peaks (2.1-2.3m) and offshore wind conditions improve. June and July stand out with the highest percentage of good winds (35-38%) and reliable swell energy. Winter also sees the most favorable balance of clean conditions and solid waves, though the swell can be powerful and better suited for experienced surfers. Spring (September-November) still delivers solid waves (1.9-2.3m) but with worsening wind conditions, while summer (December-February) brings smaller swells (1.6-1.8m) and fewer clean days (23-33% good winds). The spot rarely has no swell, making it dependable, but autumn and winter provide the optimal mix of size, consistency, and cleaner winds. For surfers seeking quality overhead waves with minimal onshore interference, mid-year is the prime window.

Little Wanganui in March offers decent surf conditions with a solid mix of swell sizes and generally favorable winds for about a third of the time. The average swell height is 1.7m with a healthy 12.6s period, providing consistent, well-spaced waves. Swell direction is predominantly from the WSW (24.59% of waves in the 1-1.5m range, 17.65% in 1.5-2m), with solid contributions from SW and WNW/NW directions, ensuring a good variety of wave shapes. Larger swells (2m+) are less frequent but present, mainly from WSW and NNW, offering occasional punchier surf. Wind conditions are most favorable (32% onshore or light cross-shore), but stronger winds from the SSW/SW can disrupt conditions, particularly in the 20-30kph range. Overall, March delivers a mix of playful mid-sized waves and occasional bigger days, best suited for intermediate to advanced surfers who can navigate shifting wind patterns. The spot works well with WSW swells and lighter NW winds, though afternoon sea breezes may require early sessions.