Flagge von Indonesia

Inside Lefts • Statistics for July

Conditions at Inside Lefts in July

July: Maximum Swell, Stronger Trade Chop

July brings the biggest, most powerful groundswell of the dry season. The average height jumps to around 6.5ft (2.0m), with period at 14.5s, just shy of the very-powerful threshold. The S/SSW combination is dominant: S at 37.5 percent and SSW at 44.0 percent, with 19.4 and 23.0 percent respectively in the 5-6.5ft (1.5-2m) class, and 14.6 and 14.8 percent in the 6.5-8ft (2-2.5m) class. This is serious, heavy Indo swell.

The trade wind engine is now cranked. SE blows 46.8 percent of the time, with strong 20-40kph pulses, and ideal wind drops to 33 percent. Surface conditions become more of a battle, especially on the biggest days. Rainfall is at an annual low of 3.53mm/day, air temps are 27.2C, and water has slipped to 28.7C. July is for the experienced; when the wind eases, the waves are world-class.

Average Spot conditions at Inside Lefts in July

Swell history for July

0 - 2
2 - 3
3 - 5
5 - 6
6 - 8
> 8 ft

Wind history for July

0 - 6.2
6.3 - 12.4
12.4 - 18.6
18.6 - 24.9
24.9 - 31.1
> 31.1 mph

Swell quality

Analyze the groundswell consistency at Inside Lefts during July. 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 Inside Lefts for your next trip in July.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Inside Lefts for July. 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 Inside Lefts.

Swell with good wind

Swell with good wind by size

Choose month for details