Topanga seasonal overview
Best Surf Season (November - March)
The North Pacific storm track cranks up through the late fall and winter, and Topanga feels every pulse of long-period west-northwest and west-southwest groundswell. The months of December, January and February deliver the highest percentage of offshore north/northeast winds, with ideal conditions 57-61% of the time. Average wave heights hover around 2-3ft (0.7-0.9m), but the 12-13s periods make these waves far more powerful than the height alone suggests. Clean, lined-up walls are common when the northerly offshore flow grooms the W/WSW swell.
Fair Surf Season (April - May and September - October)
During the spring and fall transition months, the angle of the swell shifts more toward the southwest and the wind becomes less reliable. The wind is onshore more often, but April still sees solid long-period W and WSW swell, while September and October benefit from warm water, slower trade wind influence, and occasional southern-hemisphere/tropical south swells. The waves remain in the 2-3ft (0.6-0.9m) range, with the better sets reaching 3-5ft (1-1.5m) when the swell lines up with a clean northwest flow.
Low Surf Season (June - August)
Summer is the most challenging stretch at Topanga. The persistent southwest-to-west-southwest sea breeze becomes dominant, with ideal offshore wind only 20-29% of the time. Swell is still present-average wave heights hold around 2-3ft (0.8m) with long periods-but onshore winds put a mushburger texture on the waves. Early mornings, before the thermal onshore flow kicks in, are the only reliable window, and mostly you are groveling on fun-sized long-period cleanup waves.