Surf forecastSpot statisticsHistorical report

Wewak seasonal overview

Wewak, Papua New Guinea, offers surfable conditions year-round, but the best months for quality waves and favorable winds are December through February, with a secondary window in November and March. During these months, ground swell frequency peaks (30-41%), and wind swell remains consistent (41-55%), ensuring rideable waves. The mean swell size hovers around 0.7m—small but sufficient for beginners and intermediates. Wind conditions are relatively better in these months, with 33-34% good wind days, though onshore winds still dominate (66-67%). From April to October, surf potential drops significantly due to a steep decline in ground swell (1-22%) and persistently poor wind conditions (79-93%). Swell size also diminishes to 0.5-0.6m, making sessions unreliable. May through September are particularly weak, with ground swell nearly absent (1-10%) and strong unfavorable winds (90-93%). October marks a transition as ground swell begins to rebuild (22%) but remains hampered by poor winds (90%). For the most consistent surf, target the wet season (December-February) when swell energy, frequency, and marginal wind improvements align best. However, even in peak months, expect frequent onshore winds and smaller waves—ideal for relaxed surfing rather than high-performance conditions.

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Conditions at Wewak in August

In August, Wewak offers small to marginal surf conditions with an average swell height of 0.6m and a period of 6.6s, indicating generally weak energy. The predominant swell direction is from the east (E), contributing the largest share of rideable waves (44.02% in the 0.5-1m range and 7.52% in the 1-1.5m range), while ENE swells also provide occasional clean but smaller waves. However, the majority of swells (over 77% of the time) are below 1m, making it inconsistent for high-performance surfing. Wind conditions are often less than ideal, with only 10% of days offering favorable offshore or light wind conditions (primarily from the west or northwest). E, ENE, and ESE winds dominate, frequently blowing at 10-30kph (over 40% combined) and creating choppy or cross-shore conditions. Advanced surfers may find short windows of cleaner waves when lighter winds align with the rare 1.5m+ swells, but overall, expect small, soft waves with occasional wind-affected sections. Bring a fish or longboard for the smaller days.

Average Spot conditions at Wewak in August

Swell history for August

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

Wind history for August

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

Swell quality

Analyze the groundswell consistency at Wewak during August. 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 Wewak for your next trip in August.

Ground swell

Ground swell by size

Wind conditions

Evaluate the wind and swell alignment at Wewak for August. 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 Wewak.

Swell with good wind

Swell with good wind by size