Newport Beach - surf spot statistics

Newport Beach generally benefits from consistent ground swells throughout the year, with the highest probabilities occurring from April to September, peaking at 87% during June, July, and August. During these months, wind swells are minimal (8–10%), and the chance of no swell is low (4–5%), making summer and early fall the most reliable periods for surfable waves. However, wind conditions are less favorable in these months, with bad onshore winds dominating (77–85% probability), particularly from May to August. The mean swell size remains small to moderate (0.7–0.9m), which suits intermediate surfers but may lack power for advanced riders. Winter months (November–February) bring slightly better wind conditions (31–36% good winds), though ground swell consistency drops (56–70%) and no-swell days increase (16–30%). December has the highest likelihood of no swell (30%) and the smallest average wave height (0.7m). Late fall and early spring (October–March) offer a compromise, with decent ground swell frequency and marginally better wind odds. For the best balance of swell consistency and acceptable wind conditions, late winter (February–March) and early fall (September–October) may be preferable, though surfers should expect smaller waves and occasional unfavorable winds. Overall, summer provides the most consistent waves but with challenging wind patterns, while winter sees improved winds at the expense of reduced swell reliability.

Newport Beach in September typically offers consistent but modest surf conditions, with an average swell height of 0.8m and a solid period of 14.0s, indicating relatively clean and well-spaced waves. The dominant swell direction is from the south and southwest, with 59.58% of waves between 0.5-1m and 5.29% in the 1-1.5m range, suggesting mostly waist-to-chest-high surf, occasionally reaching shoulder-high on better days. Wind conditions are variable, with only 23% of the time being ideal (light offshore or sideshore winds), mostly coming from the west and southwest. However, stronger onshore winds (10-30kph) from the WSW and SW directions occur frequently, which can disrupt surface quality. While the swell consistency is decent, wind conditions often limit perfect sessions, making early mornings or days with lighter winds the best windows for cleaner waves. Overall, expect rideable but not outstanding surf with some wind challenges.