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Conditions at Mangamanu in May
May: The Prime Season Kicks In
May brings the first true winter pulses. Average swell height climbs to 6ft (1.9m) and the period extends to 11.1s - powerful, long-period groundswell from a very active Southern Ocean. S swells dominate the rose at 22.7%, while SSE (14.4%) and SE (10.3%) keep the optimal window well covered. The wind regime flips decisively offshore: 71% ideal, with NW at 16.8% and NNW at 14.6%. Onshore E/SE winds are reduced to a rarity. What results is hour after hour of groomed, pumping surf at Mangamanu. Water temps have dropped to 12.6°C (55°F) and air temps average 10.8°C (51°F) - time to break out the thick rubber. May is unquestionably one of the best months to plan a surf trip.
Average Spot conditions at Mangamanu in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Mangamanu 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 Mangamanu for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Mangamanu 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 Mangamanu.