Conditions at Muli in May
May: The SW Monsoon's Raw Power
May marks the true beginning of the southwest monsoon, and the character of Muli's surf changes quickly. Average swell height jumps to 1.6m (5.2ft) with an average period of 11.4s. The swell distribution is now dominated by S (42.4%), SSE (20.7%), SSW (20.6%), with SW (8.7%) and WSW (5.1%) picking up. That means the wave directions are increasingly outside the optimal E-SSE window, becoming more southerly and southwest. The wind matrix shifts dramatically toward SW/WSW: WSW (20.7%), SW (16.4%), W (14.9%), S (9.5%), SSE (7.8%) - and the ideal wind percentage crashes to 29%. This is a tough month: plenty of energy, but the wind is often onshore or cross-onshore, creating junky conditions. Air temps stay at 28.4°C (25.9-30.2°C), precipitation increases to 5.71 mm/day, and the water remains warm at 30.0°C. Look for west swings in the wind direction, or early dawn windows of offshore WNW flow, to find any sort of quality.
Average Spot conditions at Muli in May
Swell history for May
Wind history for May
Swell quality
Analyze the groundswell consistency at Muli 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 Muli for your next trip in May.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Muli 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 Muli.