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Conditions at Sunset Reef in March
March: Autumn Begins to Stir
March marks the first true shift toward the cooler season. The average swell height remains at 2.3m (7.5ft), but the period improves to 11.7s and the ideal wind percentage climbs to 14%. The prevailing swell directions are still SSW and SW, with a combined 47% of the wave rose, and the S direction adds another 11.2%, meaning a lot of energy is coming from the south-west quadrant. The gradual transition is also visible in the wind data: SE winds still dominate at 27.7%, with SSE at 21.3%, but there is a noticeable increase in SSE and occasional NW/NNW flow as cold fronts begin brushing the Cape. Those north-west winds are onshore for Sunset Reef, so the quality windows often come on the backside of fronts, when the wind swings back to the southeast. Water temperature cools to 17.7°C, and rainfall begins to creep upward at 0.52mm per day.
Average Spot conditions at Sunset Reef in March
Swell history for March
Wind history for March
Swell quality
Analyze the groundswell consistency at Sunset Reef during March. 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 Sunset Reef for your next trip in March.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Sunset Reef for March. 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 Sunset Reef.