Big Rock - surf spot statistics

Best Surf Season (October - March)

The winter half-year brings the most consistent swell to Big Rock, driven by the powerful NE monsoon that whips up windswell across the Bay of Bengal. Swell directions favor the optimal NE, ENE, E and ESE sectors, with wave heights averaging 0.9m to 1.2m and periods often in the rideable 6-9s range. The catch? The monsoon winds are predominantly from the NE and ENE as well, meaning onshore conditions dominate most days. When a cold front or a passing low-pressure system shifts the wind to the offshore SW-WNW quadrant for a day or two, the stars align and the point truly lights up. These windows are rare but gold - especially in October and March when transitional weather patterns offer the best ratio of clean to messy.

Fair Surf Season (April - June, September)

As the NE monsoon fades and the SW monsoon ramps up, the wind regime flips. From April through June, offshore winds from the SW, WSW and W become increasingly frequent, climbing from 36% ideal in April to 67% in June. The catch here is that the swell concurrently swings to the south and southeast - from the SSE and S directions - which rarely hit the ENE-facing coastline at an effective angle. Waves become soft, weak and small (0.8-1.0m), better suited for a longboard or a groveler. September offers a similar pattern, with a lingering SW flow and small S-SSE swell, but the occasional pulse of E energy hints at the upcoming switch.

Low Surf Season (July - August)

Peak summer delivers the best offshore wind percentages of the year - 76% in July, 78% in August - but this comes at the cost of swell quality. The swell is almost exclusively from the SSE and S, directions that offer little to no breaking energy at Big Rock. Wave heights hover around 1.0m but with poor shape, often weak and fat. The long period (9.2-9.4s) suggests southern hemisphere groundswell is reaching the region, but it's largely wasted on this east-northeast facing spot. Expect small, clean waves for logging or a grovel board - and keep an eye out for the rare outlier typhoon swell that could break the monotony.

January: Heart of the NE Monsoon

January is deep winter in the Northern Indian Ocean, and the NE monsoon is in full swing. Swell is dominated by E (44.8%) and ESE (22.9%) directions, with a notable 25.0% from the optimal ENE sector. Heights average 0.9m, mostly in the 0.5-1.5m fun-size range, but the wave period is a short 6.9s - primarily windswell. The wind story is the real letdown: a crushing 81% of the time it blows from the NE through ENE quadrants, creating classic onshore chops at Big Rock. Only 4% of the time do we see favorable offshore winds (SW-WNW). When that rare cold front sweeps through, packing a SW breeze and a fresh E swell, the lines can groom up nicely. But most days you're facing bumpy, short-period waves that require patience and a low expectations.