Muli - surf spot statistics

Best Surf Season (December - April)

The heart of the surf season at Muli aligns with the northern hemisphere winter and early spring. During these months, the subtropical ridge shifts south and the dominant trade wind flow weakens, allowing more frequent outbreaks of offshore west to northwesterly winds over the Maldives. Swell from the southeast quadrant, generated by distant storms in the Southern Ocean and the Roaring Forties, reliably marches up the fetch and delivers clean, long-period groundswell. Average wave heights hover in the 1.2–1.3m range with periods often exceeding 10 seconds, providing fun, rippable conditions on the reef. The wind is ideal over 50% of the time, creating grooming offshore flow that keeps the faces clean. This is the go-to window for consistent, quality waves at Muli.

Fair Surf Season (September - November)

As the northern fall arrives, the Intertropical Convergence Zone (ITCZ) begins its southward migration, and the monsoon transition brings a mix of conditions. Swell heights climb to 1.4–1.6m as the Southern Hemisphere storm tracks become more active, but the wind regime becomes less reliable. While west to northerly offshore flow still occurs around 33–43% of the time, the increasing influence of the northeast monsoon introduces more variable winds. Expect a blend of clean, long-period swells interrupted by periods of onshore breeze. The quality is more hit-or-miss, but the potential for excellent sessions exists when the timing aligns.

Low Surf Season (May - August)

The heart of the southwest monsoon descends upon Muli during these months. The average swell height actually peaks at 1.6–1.8m with long periods, indicating powerful Southern Ocean energy. However, the prevailing wind is dominated by the southwest monsoon, blowing directly onshore or cross-shore from the west-southwest through south. Ideal offshore wind from the west/northwest is present only 20–29% of the time. This means that most days, the waves, while powerful, are blown out with choppy conditions, ruining the quality. Only occasional southwest monsoon breaks offer short windows of clean surf. This is the time for the committed surfer who is willing to dodge the wind.

April: Transitional Gold

April marks a turning point as the southwest monsoon begins to stir, yet ideal wind still occurs 53% of the time—still very good. Swell direction becomes even more south-dominated: S alone accounts for 44.1% of the energy, with SSE at 19.9% and SSW at 22.0%. Average height rises slightly to 1.3m, and the period peaks at 11.6s, the year's longest. This is the absolute peak of Southern Ocean swell delivery. Wind shifts dramatically: the northeast trades are nearly gone, replaced by increasing WSW (19.6%), W (22.5%), and WNW (16.0%). These directions are offshore (W, WNW) or side-offshore (WSW), offering clean conditions when they blow. However, the occasional SE breeze creeps in (2.6%). Overall, April delivers the heaviest, longest waves of the year—pumping and powerful when the offshore wind holds.