Honolua Bay - surf spot statistics

Best Surf Season (October - March)

The North Pacific roars to life during these months, delivering a consistent barrage of groundswells that light up Honolua Bay's northwest-facing reefs. Average wave heights range from 1.5m to 2.0m, with periods often exceeding 11 seconds, reaching into the 12-13s range during peak winter. Swell directions are dominated by the NNW-N-NW quadrant – exactly what this bay needs. Wind patterns shift favorably, with offshore winds from the S to WSW quadrant occurring 24-30% of the time, often triggered by passing cold fronts or high-pressure systems south of the islands. When the trade winds ease or back around, the bay transforms into a world-class, barreling left. This is prime time.

Fair Surf Season (April & September)

These transitional months offer a mixed bag. April still holds onto some winter energy, with average swell heights around 1.7m and periods near 10.6s, though the swell direction shifts increasingly east-northeast, reducing the number of perfect NW-N exposures. The trade winds (ENE) become more dominant (over 60%), making offshore wind windows harder to catch – only about 20% ideal wind. September marks the reverse transition: the first north Pacific storms stir, sending initial pulses of N-NNW swell (3.8-9.3%) while the persistent ENE trades begin to weaken. Ideal wind percentages climb back to 30%, offering occasional magic days with clean, long-period lines.

Low Surf Season (May - August)

Summer sees the North Pacific storm track retreat, and Honolua Bay relies on weak, short-period trade swell from the ENE and E. Average heights drop to 1.3-1.4m, and periods sit in the 8-10s range, often delivering weak, bumpy waves. The predominant ENE trade winds blow over 70% of the time, creating onshore or cross-onshore conditions that spoil what small swell does arrive. The bay becomes a flat, blown-out disappointment for months on end. Surfable days are rare, requiring a lucky break in the wind or a tiny south-swell wrap, but generally, it's a time to explore other breaks or take a break yourself.

September: Transition Begins

September marks the start of the transition back to winter. Average swell height remains at 1.3m, but period improves to 9.8s as the first real north swells appear. Swell from the north quadrants (N, NNE, NNW) accounts for about 16.9% now, up from zero in summer. The dominant ENE swell still holds at 48%, but its grip is loosening. Trade winds still blow strongly (ENE 65.3%), but ideal wind reaches 30% – the highest since spring – thanks to more frequent cold front passages bringing south winds. Occasional days of clean, chest-high waves appear, hinting at the coming season.