Conditions at Katahama in November
November: Prime Time Arrives
November is the standout month for surf quality at Katahama. The winter monsoon is firmly established, driving offshore winds from the W (25.2%) and WNW (12.7%) for a combined offshore share of 45.4% - the strongest of the autumn. At the same time, the swell is still in a favorable window, with E (18.3%), ESE (19.4%), SE (9.7%), and SSE (4.7%) making up 52.1% of the waves. The average period of 8.1s and average height of 1.2m (4ft) mean that every offshore day offers a good chance of punchy, clean peaks breaking along the ESE-facing beach. This is the sweet spot: the water has cooled to 20.4°C, the air is a crisp 16.7°C, and rainfall drops to 3.94 mm/day, making for the most comfortable and surfable conditions of the year. Expect lined-up walls on the better swells, especially if a late-season typhoon injects extra energy from the SE.
Average Spot conditions at Katahama in November
Swell history for November
Wind history for November
Swell quality
Analyze the groundswell consistency at Katahama during November. 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 Katahama for your next trip in November.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Katahama for November. 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 Katahama.