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Conditions at Grumari in June
June: Peak Winter Consistency
June is the standout month in Grumari's annual surf calendar. The average period peaks at 11.1s, average height holds at 4ft (1.2m), and ideal wind sits at 55%, the highest of the year. Swell direction remains excellent: S 39.1%, SSE 25.5%, SE 13.8%, and an increasing SSW component at 13.0% that brings more power and groomed lines. There are healthy percentages in the 3-5ft (1-1.5m) range, solid 5-6.5ft (1.5-2m) waves from S and SSW, plus a sprinkling of 6.5-8ft (2-2.5m) energy. The wind table shows the classic winter mix: NE/NNE trades compete with SW flow, but NNW/N offshore winds fire often enough to make dawn patrols glassy. With dry, cool weather at 1.72 mm/day rain and 20.9°C air, plus water temperature at 22.3°C, this is the month to plan around.
Average Spot conditions at Grumari in June
Swell history for June
Wind history for June
Swell quality
Analyze the groundswell consistency at Grumari during June. 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 Grumari for your next trip in June.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Grumari for June. 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 Grumari.