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Conditions at Rockaway-Manzanita in August
August: Summer Swell With a Better Wind Outlook
August remains in the low season, with average swell around 4-5ft (1.2-1.4m) and period 9.8s. The swell mix is even more NW-heavy: WNW contributes 37%, NW 30% and W 20%. Heights in the 3-5ft (1-1.5m) range dominate, but there are still enough 5-6ft (1.5-2m) waves to keep the sandbar honest.
The good news is ideal wind ticks up to 16%. NNW winds still dominate at 44%, but they are less aggressive than July, and there are more clean E, ESE and SE mornings. Water temperature is 12.9°C, air temp averages 15.4°C, and rainfall remains a scant 0.75mm/day. It is still summer surf, but August often gets the nod as the better summer month.
Average Spot conditions at Rockaway-Manzanita in August
Swell history for August
Wind history for August
Swell quality
Analyze the groundswell consistency at Rockaway-Manzanita 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 Rockaway-Manzanita for your next trip in August.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Rockaway-Manzanita 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 Rockaway-Manzanita.