Conditions at Periscopes in May
May: Dry Season Gold
May is when Periscopes becomes seriously good. Ideal wind jumps to 96%, with a powerful ESE (39.6%), SE (22.3%) and E (15.2%) trade-wind machine locking in offshore and cross-offshore flow. Swell averages 1.5m (5ft) from the SSW and SW, which is right in the strike zone, and the average period climbs to 14.3s, signaling high-quality, long-period Indian Ocean groundswell. The distribution shows real punch: 36% of the waves arrive in the 1.5-2m (5-6ft) range and another 7% reach 2-2.5m (7-8ft). Rain is minimal at 1.36mm/day, water temp is a still-warm 28.7°C, and the trades keep the air dry and pleasant. This is a high-performance month with plenty of lineup-shaping energy when the swell is up.
Average Spot conditions at Periscopes in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Periscopes during May. 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 Periscopes for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Periscopes for May. 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 Periscopes.