Surf forecastStatisticsHistorical report

Lances Left seasonal overview

Best Surf Season (May - September)

The peak of the dry season brings the most consistent combination of long-period groundswell from the Southern Ocean and reliable offshore wind regimes. During these months, the average wave period climbs above 13 seconds, delivering powerful, lined-up waves to Lances Left. The dominant swell is from the SSW and SW, directly into the exposed reef, creating clean, rippable faces. Wind ideal percentages reach their yearly highs, with May and June seeing nearly half the days with offshore breezes from the north through east. This is the prime window for scoring classic Lances Left barrels.

Fair Surf Season (April & October)

The transitional months bookending the dry season still see solid swell activity, but with increased variability in wind and swell direction. April offers excellent long-period energy (12.7s average) and a high percentage of SSW swell, though the wind ideal drops to 40%. October sees a similar pattern as the northwest monsoon begins to influence the region, bringing more westerly swell and occasional onshore winds. During these months, patience is key to picking the right window when the trades align offshore.

Low Surf Season (November - March)

The northwest monsoon dominates from November through March, resulting in a higher prevalence of onshore winds from the west and southwest. While swell direction remains favorable (mostly SW to W), the average wave periods drop into the 10-11 second range, indicating less powerful, often shorter period swell. Wind ideal percentages hover around 31-37%, meaning many days are affected by bumpy conditions. However, the region still receives consistent swell; it's just that the quality is less consistent than the dry season. Hardcore surfers can find fun sessions, especially when strong cold fronts in the Southern Ocean produce longer period pulses that break the onshore grip.

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Conditions at Lances Left in December

December: Peak Monsoon Grind

December is the thick of the northwest monsoon, with the lowest wind ideal of the year at 31%. Onshore winds from NW (22.2%) and WNW (19.0%) prevail. Swell directions are excellent - WSW (25.6%), SW (27.7%), SSW (28.4%) - but the wind ruins the surface on most days. Average period is 10.2s, so waves are rideable but lack the punch of dry season. Average height is 0.9m, with most waves in the 0.5-1m range. Only the strongest cold fronts breaking through the monsoon can deliver clean, pumping conditions. A month for the dedicated.

Average Spot conditions at Lances Left in December

Swell history for December

0 - 0.5
0.5 - 1
1 - 1.5
1.5 - 2.0
2.0 - 2.5
> 2.5 m

Wind history for December

0 - 10
10 - 20
20 - 30
30 - 40
40 - 50
> 50 km/h

Swell quality

Analyze the groundswell consistency at Lances Left during December. 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 Lances Left for your next trip in December.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Lances Left for December. 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 Lances Left.

Swell with good wind

Swell with good wind by size