Low Island - surf spot statistics

Best Surf Season (November - March)

The heart of winter delivers the most consistent and powerful swells to Low Island. Average wave heights steadily climb above 2.4m from November through March, peaking at a massive 3.0m in December. These swells, generated by intense extratropical storms ripping across the North Pacific, arrive with long periods (11-12s), translating to serious, heavy waves that demand respect. The wind regime plays along too, with offshore flow (NNE to E) occurring 28-36% of the time, often creating groomed, lined-up walls on the best days. This is the prime window for surfers seeking size and power.

Fair Surf Season (April - May & October)

During the shoulder months, the ocean transitions. April still sees a generous 37% offshore wind frequency and average heights around 2.2m, making it a solid but less consistent option compared to winter. By May, swell size drops to 1.7m and periods shorten, though occasional SSW-SW groundswells can still produce clean, rippable surf during windows of ideal wind. October marks the beginning of the autumn ramp-up, with averages climbing back to 2.5m. However, the prevalence of onshore S-SW winds (ideal on only 26% of days) means you'll need to be patient for clean conditions.

Low Surf Season (June - September)

Summer settles in with a pronounced lull in wave energy. Average heights hover between 1.3-1.9m, and periods dip into the 9-10s range, resulting in smaller, weaker surf that is often blown out by persistent onshore trade winds. Offshore wind percentages bottom out at 23-26%, and the dominant swell directions (SSW-SW) are aligned with the onshore flow, making quality sessions rare. While long-period south swells from distant southern hemisphere storms can occasionally sneak in, they are infrequent and often come with unfavourable wind, keeping this season primarily for loggers and beginners during the rare clean moments.

August: Slight Uptick but Still Small

August sees a minor improvement over July, with average swell height rising to 1.4m. However, the average period drops to 9.8s, indicating shorter-period, less organized swell. The swell direction again favours the SW-WSW quadrant (over 60% combined), but heights cluster in the 1-1.5m range. The wind situation remains challenging: ideal offshore conditions occur only 26% of the time. The wind rose shows a persistent NW-WNW flow (over 23% combined), along with strong sea breezes from the S and SSE. This creates a high chance of bumpy, choppy surf. Occasional pulses of longer-period swell from tropical storms or distant southern lows can produce fun, rippable waves for a few days, but consistent quality is absent.