Surf forecastStatisticsHistorical report

Topanga Beach seasonal overview

Best Surf Season (November - February)

The heart of winter delivers the most consistent and quality surf for Topanga Beach. With ideal offshore wind percentages climbing above 56% and peaking at 60% in December, the combination of long-period groundswell and clean north winds sets the stage. While average wave heights hover around 0.8-0.9m, the long periods (12-12.4s) pack a punch, and when a strong storm track sends S-SSW swell our way, the beach can fire with fun, rippable waves. This is the prime time to score.

Fair Surf Season (March - April & September - October)

During the transition months, the offshore wind frequency drops to 43-50%, but the swell remains consistent. The decline in north wind strength leads to more variable conditions, but the ocean still churns with long-period energy from the west. These months offer a good chance at clean surf, especially when high pressure sets up off the coast and delivers those coveted N/NE breezes. It's a shoulder season worth watching.

Low Surf Season (May - August)

Summer is the quietest period for Topanga. Favorable offshore winds plummet to below 27% as the Southern California climate shifts to a persistent southwesterly onshore flow. Swell heights remain small (0.8m average) and while the period is still impressive (12.5-12.7s), the dominant westerly swell direction often combines with onshore winds to produce subpar conditions. Early morning north winds can offer a narrow window, but overall it's a time for a shortboard or a groveler, not expectations of pumping surf.

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Conditions at Topanga Beach in October

October: Autumn's Surge

October sees a significant jump in favorable wind to 48%. The average swell height is 0.7m, but the period stretches to 12.9s, indicating powerful, long-period energy. Swell direction is mostly WSW (38.8%), SW (34.9%), and W (16.4%), with a notable 9.3% from SSW. The wind patterns rebalance: north and northeast winds return with more consistency, while onshore winds weaken. The combination of long-period groundswell from the west and southwest, coupled with offshore breezes, often yields clean, punchy surf. It's a month of great potential, especially when early-season low-pressure systems deepen.

Average Spot conditions at Topanga Beach in October

Swell history for October

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for October

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Topanga Beach during October. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Topanga Beach for your next trip in October.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Topanga Beach for October. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Topanga Beach.

Swell with good wind

Swell with good wind by size