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Conditions at Westport Breakwater in July
July: The Cleanest Peak of the Year
July is the statistical sweet spot for wind quality at Westport Breakwater. Ideal surfing winds reach 52 percent-the highest of any month-while the average swell holds at 2.4m (7.9ft) with a period of 12.5s. The swell trains are still dominated by WSW/W (45.4 percent combined), but the NW/NNW/N/NNE window is a meaningful 7.6 percent, giving the breakwater more opportunities to see clean, organized lines from the north. The height distribution is heavily focused on 5-8ft (1.5-2.5m), with occasional 8ft+ sets from WSW/W.
The wind rose tells the story: SW winds at 11.7 percent, SSW at 7.3, and S at 6.8, with only about 14 percent from the onshore N/NNE/NNW/NW quadrant. This is the month where offshore flows and winter groundswell overlap most consistently. Water temperature bottoms out at 12.5°C, air temps average 8.8°C, and precipitation is 4.81 mm/day. It is cold and wintery, but if you can handle the chill, July offers the most dependable surf at the breakwater all year.
Average Spot conditions at Westport Breakwater in July
Swell history for July
Wind history for July
Swell quality
Analyze the groundswell consistency at Westport Breakwater 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 Westport Breakwater for your next trip in July.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Westport Breakwater 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 Westport Breakwater.